IAA RAS IAA Minor Planet Database

2021 AP3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1127912243 ± 1.79e-05
Semi-major axis (a)0.9569811032 AU ± 2.94e-06
Inclination (i)8.45433697° ± 1.55e-03
Long. of Asc. Node (Ω)304.56674664° ± 5.09e-04
Arg. of Perihelion (ω)8.42102466° ± 4.02e-04
Mean Anomaly (M)220.18416399° ± 7.79e-03
Mean Motion (n)1.0528275307°/day ± 4.85e-06
Perihelion dist (q)0.84904203 AU ± 1.73e-05
Aphelion dist (Q)1.06492017 AU ± 1.74e-05
Orbital Period0.93617070 yr ± 4.31e-06
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.362″
Uncertainty1
Orbit TypeAten
MOID0.078103 AU
Observations Used62
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-08
Last Observation Used2021-02-09
Observations (62)
Date Type RA Dec Mag Band Observatory
2021-01-08 11:04:59 C 07 42 01.796 +55 15 56.16 – U F51
2021-01-08 11:24:37 C 07 41 51.904 +55 14 47.57 – U F51
2021-01-08 11:44:15 C 07 41 42.018 +55 13 38.33 – U F51
2021-01-08 12:03:58 C 07 41 32.131 +55 12 28.23 – U F51
2021-01-08 22:59:35 C 07 36 44.81 +54 33 10.8 – V 033
2021-01-08 23:02:15 C 07 36 43.50 +54 33 00.3 – V 033
2021-01-08 23:04:55 C 07 36 42.32 +54 32 52.1 – V 033
2021-01-08 23:07:25 C 07 36 40.96 +54 32 53.4 – V L01
2021-01-08 23:14:13 C 07 36 37.70 +54 32 29.1 – V L01
2021-01-08 23:20:58 C 07 36 34.50 +54 32 04.8 – V L01
2021-01-09 06:06:06 C 07 33 39.19 +54 07 55.1 – q H36
2021-01-09 06:42:16 C 07 33 22.15 +54 05 42.4 – q H36
2021-01-09 06:59:55 C 07 33 13.83 +54 04 39.0 – q H36
2021-01-09 07:19:30 C 07 33 04.58 +54 03 26.8 – q H36
2021-01-09 07:19:50 C 07 33 05.62 +54 03 41.3 – o 711
2021-01-09 07:24:14 C 07 33 03.53 +54 03 25.4 – o 711
2021-01-09 07:28:37 C 07 33 01.39 +54 03 09.1 – o 711
2021-01-09 09:47:21 C 07 31 57.12 +53 54 27.1 – V I52
2021-01-09 09:49:10 C 07 31 56.30 +53 54 19.8 – V I52
2021-01-09 09:50:59 C 07 31 55.46 +53 54 13.3 – V I52
2021-01-09 09:52:48 C 07 31 54.62 +53 54 06.3 – V I52
2021-01-09 11:03:17 C 07 31 28.931 +53 50 19.60 – V 568
2021-01-09 11:04:42 C 07 31 28.255 +53 50 14.34 – V 568
2021-01-09 11:06:07 C 07 31 27.581 +53 50 09.07 – V 568
2021-01-10 04:03:06 C 07 24 32.94 +52 45 40.1 – V I52
2021-01-10 04:04:55 C 07 24 32.10 +52 45 33.0 – V I52
2021-01-10 04:06:44 C 07 24 31.32 +52 45 27.1 – V I52
2021-01-10 04:08:33 C 07 24 30.55 +52 45 20.9 – V I52
2021-01-10 05:30:52 C 07 23 51.63 +52 40 17.1 – V H36
2021-01-10 06:12:03 C 07 23 33.29 +52 37 40.9 – V H36
2021-01-10 06:53:12 C 07 23 14.97 +52 35 02.6 – V H36
2021-01-11 04:45:59 C 07 14 47.19 +51 08 55.3 – V I52
2021-01-11 04:47:48 C 07 14 46.40 +51 08 47.7 – V I52
2021-01-11 04:49:37 C 07 14 45.66 +51 08 42.2 – V I52
2021-01-11 04:51:26 C 07 14 44.91 +51 08 34.0 – V I52
2021-01-12 04:09:22 C 07 06 12.92 +49 33 13.6 – V I52
2021-01-12 04:12:21 C 07 06 11.74 +49 33 04.0 – V I52
2021-01-12 04:15:59 C 07 06 10.36 +49 32 48.4 – V I52
2021-01-12 05:57:21 C 07 05 31.95 +49 25 55.4 – V 673
2021-01-12 06:04:56 C 07 05 29.03 +49 25 24.6 – V 673
2021-01-12 06:57:55 C 07 05 08.30 +49 21 47.6 – V 654
2021-01-12 09:39:39 C 07 04 11.565 +49 10 55.73 – U F51
2021-01-12 09:57:23 C 07 03 58.81 +49 09 03.6 – V 654
2021-01-12 09:58:05 C 07 04 04.358 +49 09 39.40 – U F51
2021-01-12 10:18:02 C 07 03 51.01 +49 07 33.2 – V 654
2021-01-12 10:35:04 C 07 03 49.856 +49 07 03.84 – U F51
2021-01-14 07:08:57 C 06 49 27.35 +45 55 28.3 – V 654
2021-01-14 07:48:57 C 06 49 13.88 +45 52 32.5 – V 654
2021-01-14 08:02:30 C 06 49 09.34 +45 51 32.4 – V 654
2021-01-15 03:11:45 C 06 43 45.42 +44 27 05.2 – V I52