2021 OW

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6501748642 ± 2.00e+00
Semi-major axis (a)2.7794088375 AU ± 3.00e+00
Inclination (i)14.67782766° ± 4.00e+00
Long. of Asc. Node (Ω)128.30841037° ± 5.00e+00
Arg. of Perihelion (ω)131.08857430° ± 6.00e+00
Mean Anomaly (M)342.70425498° ± 9.32e-02
Mean Motion (n)0.2127004200°/day ± 3.44e-01
Perihelion dist (q)0.97230610 AU ± 5.66e+00
Aphelion dist (Q)4.58657190 AU ± 7.44e+00
Orbital Period4.63378330 yr ± 7.50e+00
Physical Parameters
H (abs. magnitude)22.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.253″
Uncertainty2
Orbit TypeApollo
MOID0.065929 AU
Observations Used73
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-08-11
Observations (85)
Date Type RA Dec Mag Band Observatory
2021-07-17 06:22:54 C 16 32 23.501 +36 31 36.82 V F51
2021-07-25 10:22:14 C 18 47 48.06 +02 45 20.1 V T08
2021-07-25 10:26:53 C 18 47 50.43 +02 44 30.4 V T08
2021-07-25 10:36:54 C 18 47 55.88 +02 42 43.2 V T08
2021-07-25 10:37:34 C 18 47 56.21 +02 42 36.3 V T08
2021-07-25 10:52:55 C 18 48 04.51 +02 39 52.8 V T08
2021-07-25 20:22:28 C 18 53 26.26 +00 59 24.7 V L18
2021-07-25 20:27:25 C 18 53 28.88 +00 58 33.6 V L18
2021-07-25 20:32:27 C 18 53 31.56 +00 57 41.8 V L18
2021-07-25 20:35:07 V 18 53 34.52 +00 57 18.8 V 247
2021-07-25 20:35:07 v 1 009.1183 +44.7717 247
2021-07-25 20:42:56 V 18 53 38.67 +00 55 57.4 V 247
2021-07-25 20:42:56 v 1 009.1183 +44.7717 247
2021-07-25 20:49:19 V 18 53 41.98 +00 54 51.2 V 247
2021-07-25 20:49:19 v 1 009.1183 +44.7717 247
2021-07-25 21:31:02 C 18 54 03.62 +00 47 39.3 V L01
2021-07-25 21:33:29 C 18 54 04.92 +00 47 13.8 V L01
2021-07-25 21:43:10 C 18 54 10.05 +00 45 34.0 V L01
2021-07-25 21:45:46 C 18 54 11.41 +00 45 07.3 V L01
2021-07-25 21:50:36 C 18 54 13.94 +00 44 16.9 V L01
2021-07-26 02:18:37 C 18 56 39.02 +00 00 15.6 X Y00
2021-07-26 02:20:29 C 18 56 39.97 -00 00 03.6 X Y00
2021-07-26 02:22:20 C 18 56 40.99 -00 00 22.7 X Y00
2021-07-26 14:45:28 C 19 03 15.14 -02 05 43.8 q 900
2021-07-26 14:50:46 C 19 03 17.70 -02 06 36.6 q 900
2021-07-26 14:56:05 C 19 03 20.30 -02 07 28.0 q 900
2021-07-26 19:16:38 C 19 05 40.44 -02 48 04.1 V L81
2021-07-26 19:26:47 C 19 05 45.43 -02 49 42.1 V L81
2021-07-26 19:37:55 C 19 05 50.89 -02 51 29.4 V L81
2021-07-26 20:21:39 C 19 06 10.92 -03 00 22.6 V L18
2021-07-26 20:24:59 C 19 06 12.62 -03 00 55.2 V L18
2021-07-26 20:28:19 C 19 06 14.18 -03 01 27.5 V L18
2021-07-26 20:30:03 C 19 06 15.99 -03 01 44.9 V G34
2021-07-26 20:35:45 C 19 06 18.78 -03 02 40.0 V G34
2021-07-26 20:41:28 C 19 06 21.54 -03 03 34.7 V G34
2021-07-26 20:47:10 C 19 06 24.39 -03 04 29.4 V G34
2021-07-27 03:27:48 C 19 09 47.56 -04 07 32.4 u H21
2021-07-27 03:30:35 C 19 09 48.88 -04 07 58.7 u H21
2021-07-27 03:33:23 C 19 09 50.22 -04 08 24.9 u H21
2021-07-27 03:36:10 C 19 09 51.56 -04 08 51.1 u H21
2021-07-27 03:38:58 C 19 09 52.88 -04 09 17.4 u H21
2021-07-28 20:47:32 C 19 29 10.20 -10 04 13.5 V G17
2021-07-28 20:56:57 C 19 29 14.16 -10 05 28.7 V G17
2021-07-28 21:22:47 C 19 29 24.98 -10 08 52.4 V G17
2021-07-28 23:16:50 C 19 30 13.45 -10 23 51.8 V J69
2021-07-28 23:26:50 C 19 30 17.64 -10 25 10.1 V J69
2021-07-28 23:36:50 C 19 30 21.87 -10 26 28.0 V J69
2021-07-29 00:46:47 C 19 30 51.69 -10 35 09.3 V G40
2021-07-29 00:56:42 C 19 30 55.78 -10 36 25.9 V G40
2021-07-29 01:00:18 C 19 31 01.91 -10 35 25.6 u 807