523915 (1997 VM4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8166183325 ± 3.63e-08
Semi-major axis (a)2.6075124042 AU ± 1.43e-08
Inclination (i)14.47157325° ± 2.79e-05
Long. of Asc. Node (Ω)44.47744859° ± 1.75e-05
Arg. of Perihelion (ω)125.99975853° ± 2.08e-05
Mean Anomaly (M)196.45285765° ± 5.12e-06
Mean Motion (n)0.2340845236°/day ± 1.93e-09
Perihelion dist (q)0.47816997 AU ± 9.47e-08
Aphelion dist (Q)4.73685484 AU ± 9.82e-08
Orbital Period4.21055723 yr ± 3.47e-08
Physical Parameters
H (abs. magnitude)18.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.524″
Uncertainty0
Orbit TypeApollo
MOID0.112446 AU
Observations Used241
Oppositions17
Arc Total1997-2019
First Observation Used1997-11-06
Last Observation Used2019-06-27
Observations (256)
Date Type RA Dec Mag Band Observatory
1997-11-07 05:33:40 C 02 46 24.88 +15 02 52.1 19.8 b 704
1997-11-07 05:34:30 C 02 46 24.91 +15 02 52.2 20.0 b 704
1997-11-07 05:35:06 C 02 46 24.75 +15 02 51.5 19.7 b 704
1997-11-07 05:36:47 C 02 46 24.58 +15 02 52.1 19.7 b 704
1997-11-07 05:37:21 C 02 46 24.55 +15 02 50.2 19.8 b 704
1997-11-07 05:38:47 C 02 46 24.19 +15 02 50.4 b 704
1997-11-07 05:39:37 C 02 46 24.18 +15 02 50.8 19.9 b 704
1997-11-07 05:40:12 C 02 46 24.21 +15 02 51.6 19.7 b 704
1997-11-07 05:43:03 C 02 46 23.79 +15 02 49.6 19.7 b 704
1997-11-07 05:44:29 C 02 46 23.63 +15 02 52.5 19.9 b 704
1997-11-07 10:23:18 C 02 45 50.12 +15 02 33.8 c 608
1997-11-07 10:50:05 C 02 45 46.87 +15 02 32.5 c 608
1997-11-07 14:49:38 C 02 45 18.22 +15 02 12.4 z 381
1997-11-07 14:54:01 C 02 45 17.71 +15 02 12.4 z 381
1997-11-07 14:57:46 C 02 45 17.24 +15 02 12.0 z 381
1997-11-07 16:52:45 C 02 45 03.14 +15 02 03.8 360
1997-11-07 16:59:14 C 02 45 02.37 +15 02 03.6 360
1997-11-07 17:05:29 C 02 45 01.58 +15 02 03.0 360
1997-11-08 04:36:07 C 02 43 38.42 +15 01 13.2 a 696
1997-11-08 04:37:43 C 02 43 38.23 +15 01 13.1 a 696
1997-11-08 04:39:19 C 02 43 38.02 +15 01 13.0 a 696
1997-11-08 23:50:13 C 02 41 14.78 +14 59 40.8 z 587
1997-11-08 23:54:47 C 02 41 14.22 +14 59 41.1 z 587
1997-11-09 01:01:12 C 02 41 05.70 +14 59 34.3 557
1997-11-09 01:07:02 C 02 41 04.99 +14 59 33.6 557
1997-11-09 01:09:40 C 02 41 04.67 +14 59 33.6 557
1997-11-09 06:03:42 C 02 40 28.09 +14 59 14.1 a 696
1997-11-09 06:06:50 C 02 40 27.68 +14 59 14.2 a 696
1997-11-09 06:08:40 C 02 40 27.45 +14 59 14.2 a 696
1997-11-09 08:57:27 C 02 40 05.71 +14 58 56.7 658
1997-11-09 09:01:58 C 02 40 05.12 +14 58 56.0 658
1997-11-09 09:53:28 C 02 39 58.48 +14 58 51.5 658
1997-11-09 13:13:31 C 02 39 33.68 +14 58 37.3 z 402
1997-11-09 13:18:32 C 02 39 32.95 +14 58 37.2 z 402
1997-11-09 13:23:32 C 02 39 32.34 +14 58 36.6 z 402
1997-11-11 00:14:54 C 02 34 59.58 +14 55 28.9 046
1997-11-11 00:18:51 C 02 34 58.97 +14 55 27.0 046
1997-11-11 00:20:36 C 02 34 58.79 +14 55 28.4 046
1997-11-11 09:10:53 C 02 33 47.94 +14 54 37.9 658
1997-11-11 09:29:45 C 02 33 45.36 +14 54 35.5 658
1997-11-20 12:18:29 C 02 01 03.41 +14 25 22.9 z 402
1997-11-20 12:22:28 C 02 01 02.81 +14 25 21.6 z 402
1997-11-20 12:26:28 C 02 01 02.07 +14 25 20.9 z 402
1997-11-21 22:49:03 C 01 55 21.65 +14 19 13.2 046
1997-11-21 22:50:56 C 01 55 21.31 +14 19 12.7 046
1997-11-21 22:52:39 C 01 55 21.04 +14 19 11.6 046
1997-11-22 17:45:47 C 01 52 12.31 +14 15 40.8 046
1997-11-22 17:47:34 C 01 52 12.01 +14 15 39.8 046
1997-11-22 17:50:06 C 01 52 11.55 +14 15 39.1 046
1997-11-22 17:51:58 C 01 52 11.30 +14 15 39.4 046