Asteroid 2022 AC4 to fly past Earth at 0.24 LD
A newly discovered asteroid designated 2022 AC4 will fly past Earth at a distance of 0.24 LD / 0.00062 AU (92 750 km / 57 632 miles) at 05:20 UTC on January 11, 2022.
This is the 6th known asteroid to fly past Earth within 1 lunar distance since January 1. In 2021, we had a total of 145 such flybys.
The object belongs to the Apollo group of asteroids and has an estimated diameter between 4.4 and 9.9 m (14.4 – 32.5 feet).
It was first observed at Mt. Lemmon Survey on January 9, two days before its close approach.
<1LD asteroids in 2022
Asteroid flybys within 1 lunar distance in 2022 (total 6, valid 14:24 UTC, January 10, 2022):
NEO | Close-Approach (CA) Date | CA Distance Nominal (LD / AU) | Diameter |
(2022 AC4) | 2022-Jan-11 05:20 ± 00:02 | 0.24 | 0.00062 | 4.4 m – 9.9 m |
(2022 AY4) | 2022-Jan-06 04:07 ± 00:02 | 0.79 | 0.00202 | 3.1 m – 6.9 m |
(2022 AO1) | 2022-Jan-03 16:18 ± 00:03 | 0.90 | 0.00232 | 3.6 m – 8.0 m |
(2022 AU) | 2022-Jan-03 03:03 ± 00:07 | 0.83 | 0.00213 | 4.3 m – 9.6 m |
(2022 AP1) | 2022-Jan-02 16:56 ± 00:10 | 0.47 | 0.00121 | 6.0 m – 13 m |
(2021 YK) | 2022-Jan-02 16:03 ± < 00:01 | 0.49 | 0.00127 | 8.7 m – 19 m |
<1LD asteroids in 2021
Asteroid flybys within 1 lunar distance in 2021 (total 145, valid 17:06 UTC, January 6, 2022):
NEO | Close-Approach (CA) Date | CA Distance Nominal (LD / AU) | Diameter |
(2021 XC6) | 2021-Dec-16 08:10 ± < 00:01 | 0.54 | 0.00140 | 6.0 m – 13 m |
(2021 XX4) | 2021-Dec-11 15:11 ± < 00:01 | 0.98 | 0.00251 | 5.2 m – 12 m |
(2021 XV4) | 2021-Dec-10 18:50 ± < 00:01 | 0.47 | 0.00120 | 5.2 m – 12 m |
(2021 XU5) | 2021-Dec-09 21:45 ± 00:16 | 0.62 | 0.00160 | 3.6 m – 8.0 m |
(2021 XZ5) | 2021-Dec-09 20:33 ± 00:04 | 0.83 | 0.00214 | 5.8 m – 13 m |
(2021 XC2) | 2021-Dec-05 04:54 ± < 00:01 | 0.82 | 0.00212 | 3.0 m – 6.7 m |
(2021 XF1) | 2021-Dec-04 15:28 ± 00:02 | 0.80 | 0.00206 | 3.3 m – 7.4 m |
(2021 XL) | 2021-Dec-01 22:44 ± < 00:01 | 0.53 | 0.00135 | 4.5 m – 10 m |
(2021 WF3) | 2021-Dec-01 18:36 ± < 00:01 | 0.37 | 0.00096 | 3.5 m – 7.9 m |
(2021 XV) | 2021-Nov-30 04:16 ± 01:17 | 0.39 | 0.00099 | 2.6 m – 5.8 m |
(2021 WC1) | 2021-Nov-28 15:03 ± 00:01 | 0.53 | 0.00136 | 5.4 m – 12 m |
(2021 WA1) | 2021-Nov-26 13:45 ± < 00:01 | 0.80 | 0.00206 | 8.2 m – 18 m |
(2021 WP) | 2021-Nov-21 14:01 ± 00:05 | 0.41 | 0.00104 | 6.7 m – 15 m |
(2021 VC7) | 2021-Nov-12 07:49 ± < 00:01 | 0.48 | 0.00124 | 5.9 m – 13 m |
(2021 VY7) | 2021-Nov-11 16:51 ± < 00:01 | 0.83 | 0.00214 | 3.6 m – 8.1 m |
(2021 VU4) | 2021-Nov-10 19:48 ± < 00:01 | 0.28 | 0.00072 | 5.6 m – 13 m |
(2021 VP11) | 2021-Nov-09 16:12 ± 00:01 | 0.15 | 0.00039 | 1.2 m – 2.6 m |
(2021 VD8) | 2021-Nov-09 13:59 ± < 00:01 | 0.32 | 0.00083 | 2.3 m – 5.2 m |
(2021 VM3) | 2021-Nov-08 16:44 ± < 00:01 | 0.79 | 0.00204 | 2.9 m – 6.5 m |
(2021 VN3) | 2021-Nov-08 09:56 ± < 00:01 | 0.36 | 0.00092 | 2.0 m – 4.6 m |
(2021 VL3) | 2021-Nov-08 08:56 ± < 00:01 | 0.43 | 0.00111 | 5.5 m – 12 m |
(2021 VK3) | 2021-Nov-07 16:55 ± < 00:01 | 0.22 | 0.00057 | 2.2 m – 4.8 m |
(2021 VS11) | 2021-Nov-07 09:54 ± 01:10 | 0.79 | 0.00204 | 4.9 m – 11 m |
(2021 UO7) | 2021-Nov-04 23:08 ± < 00:01 | 0.96 | 0.00247 | 3.3 m – 7.3 m |
(2021 VH) | 2021-Nov-01 10:33 ± < 00:01 | 0.08 | 0.00020 | 3.2 m – 7.1 m |
(2021 UJ6) | 2021-Oct-31 00:36 ± < 00:01 | 0.90 | 0.00232 | 6.0 m – 13 m |
(2021 UW1) | 2021-Oct-30 20:28 ± < 00:01 | 0.99 | 0.00256 | 16 m – 35 m |
(2021 UF12) | 2021-Oct-29 17:46 ± < 00:01 | 0.63 | 0.00161 | 3.7 m – 8.2 m |
(2021 UT5) | 2021-Oct-29 12:50 ± < 00:01 | 0.80 | 0.00205 | 5.8 m – 13 m |
(2021 UV5) | 2021-Oct-29 01:00 ± 00:03 | 0.30 | 0.00077 | 4.6 m – 10 m |
(2021 UH1) | 2021-Oct-27 07:14 ± < 00:01 | 0.19 | 0.00048 | 1.2 m – 2.8 m |
(2021 UA7) | 2021-Oct-27 02:32 ± 00:06 | 0.33 | 0.00086 | 4.7 m – 11 m |
(2021 UA1) | 2021-Oct-25 03:07 ± < 00:01 | 0.02 | 6.30e-5 | 1.1 m – 2.5 m |
(2021 UO1) | 2021-Oct-25 01:55 ± < 00:01 | 0.40 | 0.00102 | 6.6 m – 15 m |
(2021 UT) | 2021-Oct-24 10:49 ± < 00:01 | 0.39 | 0.00100 | 3.6 m – 8.1 m |
(2021 TG14) | 2021-Oct-18 00:51 ± < 00:01 | 0.65 | 0.00167 | 6.0 m – 13 m |
(2021 TJ15) | 2021-Oct-16 13:38 ± < 00:01 | 1.00 | 0.00257 | 5.5 m – 12 m |
(2021 UL) | 2021-Oct-16 12:13 ± < 00:01 | 0.09 | 0.00024 | 2.3 m – 5.2 m |
(2021 TM14) | 2021-Oct-14 03:59 ± < 00:01 | 0.38 | 0.00098 | 6.7 m – 15 m |
(2021 TE13) | 2021-Oct-12 09:59 ± < 00:01 | 0.07 | 0.00018 | 3.6 m – 8.0 m |
(2021 TH15) | 2021-Oct-11 05:59 ± 00:04 | 0.82 | 0.00211 | 4.5 m – 10.0 m |
(2021 TT13) | 2021-Oct-11 03:17 ± < 00:01 | 0.14 | 0.00036 | 3.1 m – 6.8 m |
(2021 TK11) | 2021-Oct-11 01:21 ± < 00:01 | 0.35 | 0.00091 | 5.2 m – 12 m |
(2021 TT1) | 2021-Oct-10 03:04 ± < 00:01 | 0.97 | 0.00251 | 15 m – 34 m |
(2021 TQ4) | 2021-Oct-06 11:56 ± < 00:01 | 0.99 | 0.00255 | 2.7 m – 6.1 m |
(2021 TG1) | 2021-Oct-03 21:41 ± < 00:01 | 0.76 | 0.00196 | 6.1 m – 14 m |
(2021 TV1) | 2021-Oct-03 04:05 ± < 00:01 | 0.42 | 0.00108 | 6.1 m – 14 m |
(2021 TX) | 2021-Oct-01 21:29 ± < 00:01 | 0.11 | 0.00028 | 1.5 m – 3.5 m |
(2021 TT) | 2021-Sep-30 14:17 ± < 00:01 | 0.34 | 0.00089 | 6.9 m – 15 m |
(2021 SQ1) | 2021-Sep-27 10:26 ± 00:01 | 0.43 | 0.00111 | 4.6 m – 10 m |
(2021 SW1) | 2021-Sep-26 21:07 ± 00:11 | 0.71 | 0.00182 | 2.9 m – 6.5 m |
(2021 SQ) | 2021-Sep-20 14:53 ± 00:10 | 0.72 | 0.00184 | 5.5 m – 12 m |
(2021 SP) | 2021-Sep-17 11:50 ± < 00:01 | 0.04 | 9.43e-5 | 3.7 m – 8.3 m |
(2021 SG) | 2021-Sep-16 20:28 ± < 00:01 | 0.64 | 0.00164 | 42 m – 94 m |
(2021 RF16) | 2021-Sep-16 09:19 ± < 00:01 | 0.83 | 0.00213 | 4.3 m – 9.6 m |
(2021 RR5) | 2021-Sep-12 17:44 ± < 00:01 | 0.20 | 0.00053 | 5.6 m – 12 m |
(2021 RG12) | 2021-Sep-11 18:47 ± < 00:01 | 0.84 | 0.00217 | 3.9 m – 8.7 m |
(2021 RG6) | 2021-Sep-11 15:31 ± < 00:01 | 0.22 | 0.00057 | 4.4 m – 9.8 m |
(2021 RB6) | 2021-Sep-09 16:16 ± < 00:01 | 0.67 | 0.00172 | 6.6 m – 15 m |
(2021 RQ2) | 2021-Sep-09 00:43 ± < 00:01 | 0.49 | 0.00126 | 3.3 m – 7.3 m |
(2021 RS5) | 2021-Sep-08 15:14 ± < 00:01 | 0.36 | 0.00092 | 5.7 m – 13 m |
(2021 RP2) | 2021-Sep-08 13:50 ± < 00:01 | 0.31 | 0.00080 | 2.3 m – 5.2 m |
(2021 RS2) | 2021-Sep-08 07:28 ± < 00:01 | 0.06 | 0.00015 | 2.3 m – 5.1 m |
(2021 RS100) | 2021-Sep-07 06:02 ± 00:10 | 0.50 | 0.00128 | 4.7 m – 11 m |
(2021 RT4) | 2021-Sep-06 09:22 ± < 00:01 | 0.69 | 0.00177 | 6.2 m – 14 m |
(2021 RN5) | 2021-Sep-02 07:43 ± < 00:01 | 0.98 | 0.00253 | 8.1 m – 18 m |
(2021 QV3) | 2021-Aug-28 23:42 ± < 00:01 | 0.33 | 0.00085 | 2.4 m – 5.3 m |
(2021 QD1) | 2021-Aug-27 20:54 ± < 00:01 | 0.80 | 0.00204 | 4.8 m – 11 m |
(2021 PA17) | 2021-Aug-14 14:11 ± 00:03 | 0.17 | 0.00045 | 7.3 m – 16 m |
(2021 PK4) | 2021-Aug-06 20:06 ± 00:02 | 0.62 | 0.00160 | 6.1 m – 14 m |
(2021 PY4) | 2021-Aug-05 10:42 ± 00:04 | 0.73 | 0.00188 | 13 m – 29 m |
(2021 PL132) | 2021-Aug-02 17:20 ± < 00:01 | 0.91 | 0.00233 | 5.2 m – 12 m |
(2021 PC) | 2021-Aug-02 12:42 ± < 00:01 | 0.43 | 0.00110 | 12 m – 27 m |
(2021 OD1) | 2021-Jul-31 12:16 ± < 00:01 | 0.66 | 0.00170 | 5.9 m – 13 m |
(2021 OV) | 2021-Jul-20 14:51 ± 01:00 | 0.51 | 0.00131 | 7.5 m – 17 m |
(2021 NU3) | 2021-Jul-08 07:19 ± < 00:01 | 0.47 | 0.00120 | 5.0 m – 11 m |
(2021 NA) | 2021-Jul-03 04:57 ± < 00:01 | 0.17 | 0.00044 | 5.2 m – 12 m |
(2021 ME) | 2021-Jun-17 00:25 ± < 00:01 | 0.82 | 0.00212 | 4.3 m – 9.6 m |
(2021 MU) | 2021-Jun-15 09:43 ± < 00:01 | 0.43 | 0.00111 | 8.8 m – 20 m |
(2021 LO2) | 2021-Jun-13 16:16 ± < 00:01 | 0.58 | 0.00148 | 6.6 m – 15 m |
(2021 LG5) | 2021-Jun-12 22:19 ± < 00:01 | 0.41 | 0.00106 | 4.8 m – 11 m |
(2021 LX1) | 2021-Jun-04 04:31 ± 00:03 | 0.42 | 0.00107 | 10 m – 23 m |
(2021 KT2) | 2021-Jun-01 22:44 ± 00:02 | 0.76 | 0.00195 | 5.6 m – 12 m |
(2021 KQ2) | 2021-May-31 05:43 ± < 00:01 | 0.46 | 0.00119 | 2.7 m – 6.1 m |
(2021 KN2) | 2021-May-31 02:14 ± < 00:01 | 0.38 | 0.00097 | 5.0 m – 11 m |
(2021 KO2) | 2021-May-30 04:01 ± < 00:01 | 0.96 | 0.00248 | 6.6 m – 15 m |
(2021 LV) | 2021-May-27 13:20 ± 00:03 | 0.73 | 0.00188 | 6.9 m – 15 m |
(2021 JU6) | 2021-May-14 15:01 ± < 00:01 | 0.17 | 0.00044 | 10 m – 23 m |
(2021 JB6) | 2021-May-13 22:55 ± < 00:01 | 0.27 | 0.00071 | 4.7 m – 10 m |
(2021 JQ2) | 2021-May-08 10:47 ± < 00:01 | 0.17 | 0.00045 | 2.6 m – 5.9 m |
(2021 JS1) | 2021-May-06 07:38 ± < 00:01 | 0.29 | 0.00074 | 5.3 m – 12 m |
(2021 JV) | 2021-May-04 21:29 ± < 00:01 | 0.36 | 0.00094 | 8.6 m – 19 m |
(2021 JW) | 2021-May-02 14:21 ± < 00:01 | 0.67 | 0.00173 | 8.0 m – 18 m |
(2021 HN) | 2021-Apr-19 07:53 ± < 00:01 | 0.66 | 0.00170 | 11 m – 25 m |
(2021 HE1) | 2021-Apr-17 08:01 ± < 00:01 | 0.59 | 0.00153 | 4.4 m – 9.7 m |
(2021 GN10) | 2021-Apr-15 22:31 ± < 00:01 | 0.75 | 0.00192 | 5.6 m – 12 m |
(2021 GF10) | 2021-Apr-15 09:29 ± < 00:01 | 0.30 | 0.00077 | 6.2 m – 14 m |
(2021 HC1) | 2021-Apr-15 04:44 ± < 00:01 | 0.60 | 0.00155 | 6.8 m – 15 m |
(2021 GW16) | 2021-Apr-14 21:54 ± 00:02 | 0.08 | 0.00020 | 2.5 m – 5.7 m |
(2021 GQ10) | 2021-Apr-14 05:29 ± < 00:01 | 0.45 | 0.00116 | 12 m – 28 m |
(2021 GC8) | 2021-Apr-13 22:05 ± < 00:01 | 0.57 | 0.00146 | 2.0 m – 4.5 m |
(2021 GC13) | 2021-Apr-13 02:36 ± < 00:01 | 0.89 | 0.00228 | 4.0 m – 8.9 m |
(2021 GW4) | 2021-Apr-12 13:01 ± < 00:01 | 0.07 | 0.00018 | 3.4 m – 7.6 m |
(2021 GA168) | 2021-Apr-11 21:12 ± < 00:01 | 0.61 | 0.00156 | 4.6 m – 10 m |
(2021 GQ5) | 2021-Apr-11 07:41 ± < 00:01 | 0.97 | 0.00248 | 5.3 m – 12 m |
(2021 GT3) | 2021-Apr-10 21:34 ± < 00:01 | 0.67 | 0.00171 | 14 m – 32 m |
(2021 GL16) | 2021-Apr-09 00:52 ± < 00:01 | 0.96 | 0.00247 | 15 m – 33 m |
(2021 GV4) | 2021-Apr-08 06:48 ± < 00:01 | 0.82 | 0.00212 | 4.3 m – 9.6 m |
(2021 GZ7) | 2021-Apr-05 18:39 ± < 00:01 | 0.49 | 0.00126 | 4.3 m – 9.6 m |
(2021 GS) | 2021-Apr-05 09:06 ± < 00:01 | 0.65 | 0.00167 | 4.8 m – 11 m |
(2021 GV) | 2021-Apr-04 17:23 ± < 00:01 | 0.87 | 0.00224 | 3.8 m – 8.6 m |
(2021 GE2) | 2021-Apr-03 07:55 ± < 00:01 | 0.62 | 0.00161 | 3.9 m – 8.8 m |
(2021 FP2) | 2021-Mar-23 22:35 ± < 00:01 | 0.84 | 0.00216 | 2.5 m – 5.6 m |
(2021 FH) | 2021-Mar-23 16:52 ± < 00:01 | 0.61 | 0.00157 | 12 m – 27 m |
(2021 FO1) | 2021-Mar-23 03:08 ± < 00:01 | 0.84 | 0.00215 | 3.4 m – 7.6 m |
(2021 FF2) | 2021-Mar-21 12:10 ± < 00:01 | 0.83 | 0.00213 | 6.3 m – 14 m |
(2021 FM2) | 2021-Mar-20 21:46 ± 00:08 | 0.22 | 0.00056 | 2.5 m – 5.7 m |
(2021 EQ3) | 2021-Mar-16 04:41 ± < 00:01 | 0.72 | 0.00186 | 16 m – 36 m |
(2021 EP4) | 2021-Mar-15 18:09 ± < 00:01 | 0.97 | 0.00248 | 3.7 m – 8.4 m |
(2021 EN4) | 2021-Mar-15 03:59 ± < 00:01 | 0.18 | 0.00047 | 3.1 m – 6.9 m |
(2021 EG3) | 2021-Mar-09 23:43 ± < 00:01 | 0.38 | 0.00098 | 3.8 m – 8.6 m |
(2021 EF1) | 2021-Mar-08 04:46 ± < 00:01 | 0.73 | 0.00187 | 3.1 m – 6.8 m |
(2021 EA) | 2021-Mar-02 15:10 ± < 00:01 | 0.24 | 0.00063 | 6.3 m – 14 m |
(2021 DA2) | 2021-Feb-21 13:04 ± < 00:01 | 0.51 | 0.00132 | 3.9 m – 8.7 m |
(2021 DG) | 2021-Feb-18 14:21 ± < 00:01 | 0.43 | 0.00111 | 2.2 m – 4.9 m |
(2021 DN1) | 2021-Feb-18 03:18 ± < 00:01 | 0.88 | 0.00226 | 6.3 m – 14 m |
(2021 CW7) | 2021-Feb-14 16:14 ± < 00:01 | 0.07 | 0.00019 | 1.5 m – 3.4 m |
(2021 CS6) | 2021-Feb-14 12:09 ± < 00:01 | 0.39 | 0.00100 | 7.3 m – 16 m |
(2021 CA6) | 2021-Feb-13 15:58 ± < 00:01 | 0.43 | 0.00111 | 5.2 m – 12 m |
(2021 CC7) | 2021-Feb-12 20:27 ± < 00:01 | 0.84 | 0.00217 | 3.0 m – 6.7 m |
(2021 CC6) | 2021-Feb-12 10:59 ± < 00:01 | 0.44 | 0.00113 | 2.5 m – 5.5 m |
(2021 CQ5) | 2021-Feb-11 22:35 ± < 00:01 | 0.46 | 0.00119 | 5.1 m – 11 m |
(2021 CO) | 2021-Feb-11 15:22 ± < 00:01 | 0.94 | 0.00242 | 23 m – 52 m |
(2021 CZ3) | 2021-Feb-09 01:50 ± < 00:01 | 0.06 | 0.00015 | 1.7 m – 3.8 m |
(2021 CV) | 2021-Feb-04 05:44 ± 00:02 | 0.52 | 0.00135 | 4.4 m – 9.9 m |
(2018 BA3) | 2021-Jan-26 02:06 ± 7_20:53 | 0.97 | 0.00250 | 14 m – 31 m |
(2021 BO1) | 2021-Jan-20 02:17 ± < 00:01 | 0.65 | 0.00168 | 3.8 m – 8.6 m |
(2021 BO) | 2021-Jan-18 08:09 ± < 00:01 | 0.06 | 0.00016 | 0.68 m – 1.5 m |
(2021 BV1) | 2021-Jan-18 01:44 ± < 00:01 | 0.62 | 0.00161 | 6.6 m – 15 m |
(2021 BK) | 2021-Jan-18 01:16 ± < 00:01 | 0.29 | 0.00075 | 2.3 m – 5.2 m |
(2021 BR2) | 2021-Jan-16 02:25 ± < 00:01 | 0.19 | 0.00049 | 1.8 m – 4.0 m |
(2021 AS2) | 2021-Jan-09 09:38 ± < 00:01 | 0.28 | 0.00072 | 3.2 m – 7.2 m |
(2021 AH8) | 2021-Jan-04 19:22 ± 00:05 | 0.14 | 0.00035 | 3.2 m – 7.2 m |
(2021 AH) | 2021-Jan-03 23:37 ± < 00:01 | 0.13 | 0.00033 | 5.3 m – 12 m |
(2021 AA) | 2021-Jan-01 13:16 ± 00:01 | 0.62 | 0.00159 | 11 m – 24 m |
<1LD asteroid charts
Asteroids within 1 LD 2018 – 2022
References:
Asteroid 2022 AC4 at Minor Planet Center; at CNEOS
Featured image credit: Minor Planet Center
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