440212 (2004 OB)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4301792194 ± 1.02e-08
Semi-major axis (a)1.6809764572 AU ± 2.29e-09
Inclination (i)3.44204697° ± 1.62e-06
Long. of Asc. Node (Ω)174.51623157° ± 3.96e-05
Arg. of Perihelion (ω)223.36032531° ± 3.85e-05
Mean Anomaly (M)236.19708353° ± 8.54e-06
Mean Motion (n)0.4522408926°/day ± 9.24e-10
Perihelion dist (q)0.95785532 AU ± 1.72e-08
Aphelion dist (Q)2.40409760 AU ± 1.74e-08
Orbital Period2.17942760 yr ± 4.45e-09
Physical Parameters
H (abs. magnitude)18.97
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.398″
Uncertainty0
Orbit TypeApollo
MOID0.011188 AU
Observations Used723
Oppositions12
Arc Total2003-2025
First Observation Used2003-03-31
Last Observation Used2025-04-03
Observations (752)
Date Type RA Dec Mag Band Observatory
2016-02-28 09:17:01 C 10 17 30.593 +07 57 11.53 L F51
2016-02-28 09:33:58 C 10 17 29.492 +07 57 20.43 L F51
2016-02-28 09:51:15 C 10 17 28.377 +07 57 29.45 L F51
2016-03-16 05:32:59 C 09 58 15.41 +10 49 47.3 q G96
2016-03-16 05:38:10 C 09 58 15.23 +10 49 48.8 q G96
2016-03-16 05:43:21 C 09 58 15.02 +10 49 50.9 q G96
2016-03-16 05:48:31 C 09 58 14.88 +10 49 52.0 q G96
2018-01-13 02:56:22 C 01 21 46.65 +00 16 44.9 U 703
2018-01-13 03:20:57 C 01 21 52.55 +00 17 21.3 U 703
2018-01-16 03:06:26 C 01 38 45.55 +01 59 55.2 U G96
2018-01-16 03:13:59 C 01 38 47.28 +02 00 05.8 U G96
2018-01-16 03:21:34 C 01 38 49.02 +02 00 16.8 U G96
2018-01-16 03:29:08 C 01 38 50.76 +02 00 27.7 U G96
2018-01-19 02:54:32 C 01 55 27.74 +03 40 29.5 U 703
2018-01-19 03:02:07 C 01 55 29.36 +03 40 39.6 U 703
2018-01-19 03:17:21 C 01 55 32.88 +03 40 59.5 U 703
2018-01-30 05:42:53 C 02 54 58.716 +09 20 22.25 U F51
2018-01-30 05:58:13 C 02 55 01.936 +09 20 39.80 U F51
2018-01-30 06:13:43 C 02 55 05.187 +09 20 57.54 U F51
2018-01-30 06:29:10 C 02 55 08.417 +09 21 15.11 U F51
2018-02-05 04:14:07 C 03 24 37.35 +11 52 12.5 U 703
2018-02-05 04:21:39 C 03 24 38.78 +11 52 20.5 U 703
2018-02-05 04:36:46 C 03 24 41.91 +11 52 34.9 U 703
2018-02-27 03:18:31 C 04 59 57.49 +18 02 12.7 U G96
2018-02-27 03:33:43 C 04 59 59.92 +18 02 19.6 U G96
2018-02-27 03:41:18 C 05 00 01.08 +18 02 23.1 U G96
2019-05-30 09:40:52 C 16 35 07.996 -15 43 34.39 U F51
2019-05-30 09:58:14 C 16 35 06.838 -15 43 31.06 U F51
2019-05-30 10:15:38 C 16 35 05.675 -15 43 28.16 U F51
2019-06-01 09:58:46 C 16 32 00.011 -15 34 51.73 U F51
2019-06-01 10:16:10 C 16 31 58.842 -15 34 48.55 U F51
2019-06-01 10:33:34 C 16 31 57.652 -15 34 45.44 U F51
2019-06-01 10:50:57 C 16 31 56.487 -15 34 42.31 U F51
2019-06-08 09:07:23 C 16 21 03.182 -15 05 40.77 U F51
2019-06-08 09:22:20 C 16 21 02.191 -15 05 38.05 U F51
2019-06-08 09:37:16 C 16 21 01.178 -15 05 35.55 U F51
2019-06-29 07:41:03 C 15 52 28.189 -14 02 11.15 U F51
2019-06-29 07:59:42 C 15 52 27.322 -14 02 09.62 U F51
2019-06-29 08:18:21 C 15 52 26.458 -14 02 08.56 U F51
2019-06-29 08:37:04 C 15 52 25.584 -14 02 06.85 U F51
2019-07-04 07:42:43 C 15 47 37.522 -13 55 31.02 U F51
2019-07-04 08:00:40 C 15 47 36.821 -13 55 30.29 U F51
2019-07-04 08:18:35 C 15 47 36.123 -13 55 29.44 U F51
2019-07-04 08:36:29 C 15 47 35.445 -13 55 28.65 U F51
2025-03-14 07:39:40 C 13 32 08.45 -07 50 23.4 V H21
2025-03-14 07:43:46 C 13 32 08.26 -07 50 22.0 V H21
2025-03-26 11:12:28 C 13 17 42.017 -06 01 56.82 X F51
2025-03-26 11:28:40 C 13 17 41.118 -06 01 50.41 X F51
2025-03-26 11:44:55 C 13 17 40.194 -06 01 44.03 X F51
2025-04-03 10:06:34 C 13 07 00.894 -04 44 03.00 X F51