IAA RAS IAA Minor Planet Database

2021 PA2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6346400910 ± 1.02e-08
Semi-major axis (a)2.6354991305 AU ± 1.64e-08
Inclination (i)5.39395029° ± 3.03e-06
Long. of Asc. Node (Ω)4.74563656° ± 1.30e-05
Arg. of Perihelion (ω)62.64049223° ± 1.34e-05
Mean Anomaly (M)338.55274390° ± 3.16e-06
Mean Motion (n)0.2303657766°/day ± 2.15e-09
Perihelion dist (q)0.96290572 AU ± 2.76e-08
Aphelion dist (Q)4.30809254 AU ± 3.81e-08
Orbital Period4.27852738 yr ± 4.00e-08
Physical Parameters
H (abs. magnitude)19.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.193″
Uncertainty0
Orbit TypeApollo
MOID0.055284 AU
Observations Used213
Oppositions13
Arc Total2005-2022
First Observation Used2005-04-04
Last Observation Used2022-03-23
Observations (269)
Date Type RA Dec Mag Band Observatory
2021-09-10 12:06:15 C 02 23 45.842 +12 37 48.12 – U F52
2021-09-10 12:43:15 C 02 23 52.06 +12 38 43.5 – V T05
2021-09-10 13:20:48 C 02 23 58.33 +12 39 37.5 – V T05
2021-09-10 13:27:07 C 02 23 59.40 +12 39 47.5 – V T05
2021-09-10 14:06:27 C 02 24 05.96 +12 40 46.0 – V T05
2021-09-12 00:32:36 C 02 30 17.70 +13 32 36.9 – q 157
2021-09-12 00:42:42 C 02 30 19.50 +13 32 52.5 – q 157
2021-09-12 00:53:19 C 02 30 21.45 +13 33 09.4 – q 157
2021-09-13 08:26:57 C 02 36 20.91 +14 23 10.6 – V 703
2021-09-13 08:50:18 C 02 36 25.36 +14 23 48.2 – V 703
2021-09-16 08:34:39 C 02 51 19.14 +16 25 48.3 – V 703
2021-09-16 08:42:14 C 02 51 20.74 +16 26 01.9 – V 703
2021-09-16 08:49:49 C 02 51 22.38 +16 26 15.3 – V 703
2021-09-16 08:57:24 C 02 51 23.99 +16 26 28.9 – V 703
2021-09-16 10:04:45 C 02 51 38.45 +16 28 29.7 – V G96
2021-09-16 10:12:55 C 02 51 40.20 +16 28 44.4 – V G96
2021-09-16 10:21:06 C 02 51 41.95 +16 28 59.1 – V G96
2021-09-16 10:29:16 C 02 51 43.70 +16 29 13.6 – V G96
2021-09-17 03:08:02 C 02 55 28.52 +16 59 09.4 – V K87
2021-09-17 03:14:31 C 02 55 29.97 +16 59 21.0 – V K87
2021-09-17 03:20:59 C 02 55 31.43 +16 59 32.6 – V K87
2021-09-18 08:15:03 C 03 02 20.40 +17 53 23.0 – V G96
2021-09-18 08:22:39 C 03 02 22.19 +17 53 37.5 – V G96
2021-09-18 08:30:14 C 03 02 23.96 +17 53 51.9 – V G96
2021-09-18 08:37:48 C 03 02 25.75 +17 54 06.4 – V G96
2021-09-19 02:01:35 C 03 06 41.46 +18 27 13.1 – V K87
2021-09-19 02:14:32 C 03 06 44.63 +18 27 38.3 – V K87
2021-09-19 02:27:28 C 03 06 47.72 +18 28 03.0 – V K87
2021-09-23 22:40:05 C 03 39 20.42 +22 25 26.0 – V Z80
2021-09-23 22:50:05 C 03 39 23.57 +22 25 47.2 – V Z80
2021-09-23 23:00:05 C 03 39 26.61 +22 26 09.1 – V Z80
2021-09-27 22:47:53 C 04 12 16.08 +25 54 02.4 – V Z80
2021-09-27 22:54:34 C 04 12 18.58 +25 54 17.4 – V Z80
2021-09-27 23:01:13 C 04 12 21.00 +25 54 32.0 – V Z80
2021-09-30 13:01:20 C 04 36 49.20 +28 07 27.4 – V T05
2021-09-30 13:04:39 C 04 36 50.54 +28 07 34.6 – V T05
2021-09-30 13:08:36 C 04 36 52.14 +28 07 42.9 – V T05
2021-09-30 13:16:31 C 04 36 55.34 +28 07 59.6 – V T05
2021-10-01 23:24:21 C 04 51 30.50 +29 16 58.3 – V Z80
2021-10-01 23:34:21 C 04 51 34.85 +29 17 19.0 – V Z80
2021-10-03 22:29:34 C 05 12 48.11 +30 45 52.2 – V Z80
2021-10-03 22:37:54 C 05 12 52.02 +30 46 07.6 – V Z80
2021-10-03 22:46:14 C 05 12 55.82 +30 46 23.5 – V Z80
2021-10-04 14:35:45 C 05 20 20.60 +31 14 31.4 – V T05
2021-10-04 14:44:40 C 05 20 24.72 +31 14 46.6 – V T05
2021-10-04 15:12:18 C 05 20 37.46 +31 15 33.5 – V T05
2021-10-04 15:27:40 C 05 20 44.54 +31 15 59.7 – V T05
2021-10-05 14:21:05 C 05 31 45.18 +31 53 20.2 – V T05
2021-10-05 14:28:43 C 05 31 48.80 +31 53 31.9 – V T05
2021-10-05 15:07:49 C 05 32 07.30 +31 54 33.2 – V T05