2021 AZ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5081526439 ± 3.94e-07
Semi-major axis (a)0.9634468011 AU ± 5.05e-08
Inclination (i)44.52026173° ± 2.62e-05
Long. of Asc. Node (Ω)115.89072853° ± 4.11e-06
Arg. of Perihelion (ω)201.28056582° ± 4.46e-05
Mean Anomaly (M)175.98167312° ± 2.41e-04
Mean Motion (n)1.0422470331°/day ± 8.19e-08
Perihelion dist (q)0.47386876 AU ± 3.80e-07
Aphelion dist (Q)1.45302484 AU ± 3.87e-07
Orbital Period0.94567435 yr ± 7.43e-08
Physical Parameters
H (abs. magnitude)21.45
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.226″
Uncertainty0
Orbit TypeAten
MOID0.301639 AU
Observations Used70
Oppositions1
Arc Total2019-2022
First Observation Used2019-01-10
Last Observation Used2022-01-08
Observations (77)
Date Type RA Dec Mag Band Observatory
2019-01-10 06:13:26 C 04 07 13.428 -35 50 56.72 V F51
2019-01-10 06:42:15 C 04 07 12.720 -35 47 59.21 V F51
2019-01-10 06:56:22 C 04 07 12.388 -35 46 33.13 V F51
2019-01-25 07:18:19 C 04 08 51.686 -04 23 59.22 V F52
2020-12-24 12:47:38 C 09 47 22.725 -04 35 18.26 V F52
2021-01-08 14:49:10 C 08 55 57.599 +14 13 09.01 V F52
2021-01-09 09:11:23 C 08 52 31.039 +15 20 09.52 U F51
2021-01-09 09:27:20 C 08 52 27.931 +15 21 07.70 U F51
2021-01-09 09:43:27 C 08 52 24.742 +15 22 07.35 U F51
2021-01-09 09:59:27 C 08 52 21.596 +15 23 05.79 U F51
2021-01-10 06:10:14 C 08 48 27.25 +16 36 50.5 V I52
2021-01-10 06:12:02 C 08 48 26.88 +16 36 57.3 V I52
2021-01-10 06:13:51 C 08 48 26.54 +16 37 03.7 V I52
2021-01-10 06:15:40 C 08 48 26.17 +16 37 10.4 V I52
2021-01-10 12:03:15 C 08 47 16.948 +16 58 28.62 V 568
2021-01-10 12:04:40 C 08 47 16.659 +16 58 33.80 V 568
2021-01-10 12:06:04 C 08 47 16.370 +16 58 39.04 V 568
2021-01-10 12:07:47 C 08 47 16.028 +16 58 45.28 V 568
2021-01-10 21:00:11 C 08 45 31.58 +17 31 02.5 V L01
2021-01-10 21:05:12 C 08 45 30.60 +17 31 20.9 V L01
2021-01-10 21:10:13 C 08 45 29.63 +17 31 39.4 V L01
2021-01-10 21:15:15 C 08 45 28.58 +17 31 58.4 V L01
2021-01-10 21:27:52 C 08 45 26.14 +17 32 43.6 V I93
2021-01-10 21:40:36 C 08 45 23.65 +17 33 30.0 V I93
2021-01-10 21:52:31 C 08 45 21.18 +17 34 14.1 V I93
2021-01-10 22:57:57 C 08 45 07.65 +17 38 12.3 V 033
2021-01-10 23:01:18 C 08 45 06.98 +17 38 24.6 V 033
2021-01-10 23:04:37 C 08 45 06.26 +17 38 36.8 V 033
2021-01-11 00:58:30 C 08 44 43.16 +17 45 35.3 V 204
2021-01-11 01:13:33 C 08 44 40.05 +17 46 30.9 V 204
2021-01-11 01:32:47 C 08 44 36.14 +17 47 40.6 V 204
2021-01-12 04:24:06 C 08 39 11.12 +19 25 40.6 q 858
2021-01-12 04:30:52 C 08 39 09.40 +19 26 05.4 V H36
2021-01-12 04:50:44 C 08 39 05.58 +19 27 17.4 q 858
2021-01-12 04:59:22 C 08 39 03.41 +19 27 48.9 u H21
2021-01-12 05:02:13 C 08 39 02.90 +19 28 00.4 V H36
2021-01-12 05:07:21 C 08 39 01.73 +19 28 18.1 u H21
2021-01-12 05:33:53 C 08 38 56.25 +19 29 55.1 V H36
2021-01-12 06:05:23 C 08 38 49.67 +19 31 50.4 V H36
2021-01-12 06:24:10 C 08 38 46.11 +19 33 00.1 V I52
2021-01-12 06:25:59 C 08 38 45.71 +19 33 06.4 V I52
2021-01-12 06:27:48 C 08 38 45.30 +19 33 12.5 V I52
2021-01-12 06:29:37 C 08 38 44.93 +19 33 19.4 V I52
2021-01-16 05:05:58 C 08 18 36.45 +25 08 23.0 V I52
2021-01-16 05:07:05 C 08 18 36.21 +25 08 27.0 V I52
2021-01-16 05:08:11 C 08 18 35.95 +25 08 30.8 V I52
2021-01-16 05:09:17 C 08 18 35.69 +25 08 34.7 V I52
2021-01-16 09:09:41 C 08 17 42.736 +25 22 19.43 U F51
2021-01-16 09:27:39 C 08 17 38.690 +25 23 20.72 U F51
2021-01-16 09:45:38 C 08 17 34.615 +25 24 22.18 U F51