IAA RAS IAA Minor Planet Database

267221 (2001 AD2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6599355182 ± 2.22e-08
Semi-major axis (a)1.0401122838 AU ± 4.59e-09
Inclination (i)1.64386438° ± 1.78e-06
Long. of Asc. Node (Ω)210.51978347° ± 8.47e-05
Arg. of Perihelion (ω)111.96433709° ± 8.45e-05
Mean Anomaly (M)246.95797783° ± 1.42e-05
Mean Motion (n)0.9291630652°/day ± 6.15e-09
Perihelion dist (q)0.35370524 AU ± 2.32e-08
Aphelion dist (Q)1.72651932 AU ± 2.43e-08
Orbital Period1.06076782 yr ± 7.02e-09
Physical Parameters
H (abs. magnitude)19.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.361″
Uncertainty0
Orbit TypeApollo
MOID0.008273 AU
Observations Used348
Oppositions1
Arc Total2001-2020
First Observation Used2001-01-02
Last Observation Used2020-01-31
Observations (464)
Date Type RA Dec Mag Band Observatory
2020-01-09 01:01:27 S 02 33 08.875 +07 36 37.98 – L C51
2020-01-09 04:09:57 S 02 34 15.571 +07 44 10.36 – L C51
2020-01-09 05:44:01 S 02 34 48.564 +07 47 54.06 – L C51
2020-01-09 07:18:16 S 02 35 21.434 +07 51 36.40 – L C51
2020-01-09 08:52:31 S 02 35 54.120 +07 55 17.29 – L C51
2020-01-09 10:26:35 S 02 36 26.558 +07 58 56.64 – L C51
2020-01-09 12:00:50 S 02 36 58.877 +08 02 34.58 – L C51
2020-01-09 15:09:09 S 02 38 02.894 +08 09 46.12 – L C51
2020-01-09 18:17:39 S 02 39 06.238 +08 16 51.31 – L C51
2020-01-09 20:03:13 C 02 39 41.05 +08 20 26.4 – V 160
2020-01-09 20:06:15 C 02 39 42.08 +08 20 33.0 – V 160
2020-01-09 20:09:17 C 02 39 43.07 +08 20 39.6 – V 160
2020-01-09 21:25:58 S 02 40 08.818 +08 23 51.18 – L C51
2020-01-28 07:16:56 C 04 03 47.437 +16 32 54.39 – U F52
2020-01-28 07:35:57 C 04 03 49.577 +16 33 04.76 – U F52
2020-01-28 07:54:52 C 04 03 51.695 +16 33 14.98 – U F52
2020-01-28 08:06:43 C 04 03 53.022 +16 33 21.35 – U F52
2020-01-28 08:44:59 C 04 03 57.338 +16 33 42.01 – U F52
2020-01-28 09:04:06 C 04 03 59.514 +16 33 52.34 – U F52
2020-01-30 22:56:07 S 04 10 57.41 +17 05 50.8 – L C51
2020-01-31 02:04:26 S 04 11 17.73 +17 07 21.5 – L C51
2020-01-31 03:04:26 C 04 11 24.26 +17 07 47.4 – V G96
2020-01-31 03:12:29 C 04 11 25.11 +17 07 51.1 – V G96
2020-01-31 03:20:32 C 04 11 25.94 +17 07 54.7 – V G96
2020-01-31 03:28:36 C 04 11 26.78 +17 07 59.1 – V G96
2020-01-31 05:12:02 S 04 11 38.06 +17 08 52.6 – L C51
2020-01-31 05:12:12 S 04 11 37.95 +17 08 52.9 – L C51
2020-01-31 08:21:15 S 04 11 58.29 +17 10 21.1 – L C51
2020-01-31 11:28:51 S 04 12 18.36 +17 11 51.5 – L C51
2020-01-31 14:37:53 S 04 12 38.48 +17 13 19.8 – L C51
2020-01-31 17:46:13 S 04 12 58.49 +17 14 48.3 – L C51
2020-01-31 17:46:24 S 04 12 58.55 +17 14 47.8 – L C51
2020-01-31 19:20:28 S 04 13 08.51 +17 15 32.6 – L C51
2020-01-31 20:54:43 S 04 13 18.456 +17 16 14.84 – L C51
2020-01-31 22:28:47 S 04 13 28.42 +17 17 00.1 – L C51
2020-01-31 22:28:57 S 04 13 28.41 +17 17 00.6 – L C51
2020-02-01 00:03:02 S 04 13 38.35 +17 17 43.3 – L C51
2020-02-01 03:10:48 S 04 13 58.08 +17 19 09.6 – L C51
2020-02-01 04:44:52 S 04 14 07.968 +17 19 52.79 – L C51
2020-02-01 07:53:55 S 04 14 27.75 +17 21 18.8 – L C51
2020-02-01 07:54:06 S 04 14 27.79 +17 21 18.7 – L C51
2020-02-01 09:28:09 S 04 14 37.63 +17 22 01.4 – L C51
2020-02-01 11:02:25 S 04 14 47.51 +17 22 43.7 – L C51
2020-02-01 14:10:44 S 04 15 07.02 +17 24 08.3 – L C51
2020-02-01 17:19:03 S 04 15 26.55 +17 25 32.6 – L C51
2020-02-01 20:27:33 S 04 15 46.02 +17 26 56.3 – L C51
2020-02-01 23:35:52 S 04 16 05.37 +17 28 22.5 – L C51
2020-02-02 02:43:28 S 04 16 24.71 +17 29 43.7 – L C51
2020-02-02 02:43:38 S 04 16 24.67 +17 29 42.7 – L C51
2020-02-06 05:37:23 S 04 26 07.02 +18 09 25.7 – L C51