IAA RAS IAA Minor Planet Database

2021 OH2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1572606947 ± 7.05e-06
Semi-major axis (a)1.1146583688 AU ± 5.73e-06
Inclination (i)2.93532259° ± 1.15e-04
Long. of Asc. Node (Ω)287.56032708° ± 1.12e-04
Arg. of Perihelion (ω)295.10446205° ± 9.75e-05
Mean Anomaly (M)308.28751782° ± 1.09e-02
Mean Motion (n)0.8375285196°/day ± 6.45e-06
Perihelion dist (q)0.93936642 AU ± 9.22e-06
Aphelion dist (Q)1.28995032 AU ± 1.03e-05
Orbital Period1.17682713 yr ± 9.07e-06
Physical Parameters
H (abs. magnitude)25.06
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.176″
Uncertainty2
Orbit TypeApollo
MOID0.000362 AU
Observations Used46
Oppositions1
Arc Total2021-2021
First Observation Used2021-07-18
Last Observation Used2021-09-03
Observations (48)
Date Type RA Dec Mag Band Observatory
2021-07-18 12:52:29 C 23 44 57.648 +07 57 43.21 – U F51
2021-07-18 13:10:15 C 23 44 53.501 +07 57 49.37 – U F51
2021-07-18 13:45:58 C 23 44 45.142 +07 58 00.96 – U F51
2021-07-30 14:02:39 C 22 51 56.726 +08 20 15.14 – V F51
2021-08-03 11:37:19 C 22 36 54.383 +07 59 52.25 – V F51
2021-08-03 11:54:03 C 22 36 51.341 +07 59 47.62 – V F51
2021-08-06 09:25:30 C 22 26 23.756 +07 36 51.04 – U F51
2021-08-06 09:45:45 C 22 26 20.371 +07 36 44.07 – U F51
2021-08-06 10:06:08 C 22 26 16.948 +07 36 36.98 – U F51
2021-08-06 10:26:39 C 22 26 13.470 +07 36 29.71 – U F51
2021-08-06 14:17:08 C 22 25 34.292 +07 35 01.66 – V F51
2021-08-06 14:18:18 C 22 25 34.093 +07 35 01.21 – V F51
2021-08-06 23:21:04 C 22 24 19.99 +07 30 59.6 – V L01
2021-08-06 23:26:14 C 22 24 19.13 +07 30 57.8 – V L01
2021-08-06 23:30:09 C 22 24 18.52 +07 30 56.5 – V L01
2021-08-06 23:33:31 C 22 24 17.93 +07 30 55.2 – V L01
2021-08-06 23:37:27 C 22 24 17.28 +07 30 53.8 – V L01
2021-08-08 12:39:34 C 22 18 59.662 +07 16 19.26 – V T12
2021-08-08 12:40:34 C 22 18 59.500 +07 16 18.85 – V T12
2021-08-11 10:26:17 C 22 09 42.668 +06 43 59.99 – U F51
2021-08-11 10:45:20 C 22 09 39.822 +06 43 50.91 – U F51
2021-08-11 11:04:24 C 22 09 36.923 +06 43 41.36 – U F51
2021-08-12 02:39:22 C 22 07 37.210 +06 35 43.09 – V J04
2021-08-12 02:48:35 C 22 07 35.842 +06 35 38.66 – V J04
2021-08-12 02:57:48 C 22 07 34.509 +06 35 33.88 – V J04
2021-08-13 00:34:04 C 22 04 55.13 +06 24 01.3 – V 033
2021-08-13 00:37:09 C 22 04 54.71 +06 23 59.6 – V 033
2021-08-13 00:40:14 C 22 04 54.26 +06 23 57.9 – V 033
2021-08-13 12:01:49 C 22 03 31.291 +06 18 37.47 – V T12
2021-08-13 12:02:56 C 22 03 31.133 +06 18 36.92 – V T12
2021-08-13 12:04:07 C 22 03 30.961 +06 18 36.27 – V T12
2021-08-25 08:20:11 C 21 36 31.91 +03 34 09.2 – V 291
2021-08-25 08:41:47 C 21 36 30.09 +03 33 56.1 – V 291
2021-08-25 09:03:24 C 21 36 28.27 +03 33 43.3 – V 291
2021-08-26 04:14:24 C 21 35 13.16 +03 22 21.2 – V 291
2021-08-26 04:29:29 C 21 35 11.94 +03 22 13.1 – V 291
2021-08-26 04:44:36 C 21 35 10.74 +03 22 03.6 – V 291
2021-08-27 06:26:03 C 21 33 28.90 +03 06 54.8 – V 291
2021-08-27 06:37:53 C 21 33 27.99 +03 06 47.7 – V 291
2021-08-27 06:49:43 C 21 33 27.08 +03 06 40.8 – V 291
2021-08-29 03:15:17 C 21 30 50.37 +02 40 35.6 – u H21
2021-08-29 03:24:23 C 21 30 49.74 +02 40 30.6 – u H21
2021-08-29 03:39:11 C 21 30 48.75 +02 40 21.6 – u H21
2021-08-30 06:23:56 C 21 29 21.73 +02 25 03.3 – o 291
2021-08-30 06:32:32 C 21 29 21.16 +02 24 58.4 – o 291
2021-09-03 06:45:01 C 21 25 06.46 +01 31 04.7 – V 695
2021-09-03 06:51:20 C 21 25 06.15 +01 31 01.4 – V 695
2021-09-03 06:57:39 C 21 25 05.84 +01 30 57.7 – V 695