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
1997-11-22 17:55:45 C 01 52 10.56 +14 15 38.5 046
1997-11-23 13:54:00 C 01 48 47.33 +14 11 52.2 360
1997-11-23 14:00:29 C 01 48 46.20 +14 11 51.1 360
1997-11-23 14:06:30 C 01 48 45.14 +14 11 50.0 360
1997-12-02 05:12:47 C 01 12 27.58 +13 25 48.7 658
1997-12-02 05:20:03 C 01 12 26.27 +13 25 47.0 658
1997-12-02 05:29:29 C 01 12 24.55 +13 25 43.5 658
1997-12-05 05:11:10 C 00 59 41.14 +13 08 13.0 658
1997-12-05 05:15:20 C 00 59 40.37 +13 08 12.0 658
1997-12-05 05:36:08 C 00 59 36.62 +13 08 07.0 658
1997-12-06 20:46:13 C 00 52 42.30 +12 58 28.4 z 587
1997-12-06 20:50:40 C 00 52 41.53 +12 58 26.7 z 587
1997-12-06 20:57:42 C 00 52 40.29 +12 58 25.8 z 587
1997-12-12 02:45:52 C 00 30 55.56 +12 27 51.9 658
1997-12-12 02:49:50 C 00 30 54.84 +12 27 50.7 658
1997-12-12 02:53:53 C 00 30 54.21 +12 27 49.8 658
1997-12-19 16:41:00 C 00 00 58.65 +11 47 06.8 046
1997-12-19 16:43:18 C 00 00 58.12 +11 47 06.5 046
1997-12-19 16:44:54 C 00 00 57.95 +11 47 06.6 046
1997-12-19 16:47:16 C 00 00 57.61 +11 47 05.6 046
1997-12-24 18:33:26 C 23 41 48.42 +11 22 15.6 z 104
1997-12-24 18:40:09 C 23 41 47.37 +11 22 13.7 z 104
1997-12-24 18:46:20 C 23 41 46.46 +11 22 12.6 z 104
1997-12-29 19:58:35 C 23 22 59.73 +10 57 20.8 z 587
1997-12-29 20:03:04 C 23 22 59.03 +10 57 20.4 z 587
1997-12-30 02:42:46 C 23 21 56.90 +10 55 59.0 z 711
1998-01-01 02:44:38 C 23 14 25.76 +10 45 08.9 z 711
1998-01-02 01:10:40 C 23 10 53.22 +10 39 46.0 z 711
1998-01-02 01:22:12 C 23 10 51.31 +10 39 43.0 z 711
1998-01-03 01:19:46 C 23 07 01.63 +10 33 37.4 z 711
1998-01-03 01:31:09 C 23 06 59.77 +10 33 34.4 z 711
2014-10-14 08:30:23 C 03 39 39.67 +16 14 43.4 o 691
2014-10-14 08:59:44 C 03 39 38.64 +16 14 45.8 o 691
2014-10-14 09:29:04 C 03 39 37.68 +16 14 48.5 o 691
2014-10-21 06:43:51 C 03 32 47.01 +16 28 41.5 o 691
2014-10-21 07:13:03 C 03 32 45.44 +16 28 44.0 o 691
2014-10-21 07:42:16 C 03 32 43.86 +16 28 46.6 o 691
2014-10-21 09:26:34 C 03 32 38.23 +16 28 55.4 o 291
2014-10-21 09:37:05 C 03 32 37.67 +16 28 55.9 o 291
2014-10-21 09:42:21 C 03 32 37.36 +16 28 56.5 o 291
2014-10-23 06:28:49 C 03 30 09.90 +16 32 31.4 o 291
2014-10-23 06:34:37 C 03 30 09.55 +16 32 31.8 o 291
2014-10-23 06:40:24 C 03 30 09.21 +16 32 32.3 o 291
2014-10-23 07:35:25 C 03 30 05.94 +16 32 36.8 R G45
2014-10-23 07:53:13 C 03 30 04.84 +16 32 38.5 R G45
2014-10-23 07:55:10 C 03 30 04.67 +16 32 38.2 R G45
2014-10-23 08:12:44 C 03 30 03.59 +16 32 40.1 R G45
2014-10-23 08:29:57 C 03 30 02.51 +16 32 40.6 R G45
2014-10-25 12:46:23 C 03 26 47.473 +16 36 45.90 L F51
2014-10-25 13:05:00 C 03 26 46.192 +16 36 47.27 L F51