99907 (1989 VA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5946882436 ± 2.00e+00
Semi-major axis (a)0.7283731236 AU ± 3.00e+00
Inclination (i)28.79999656° ± 4.00e+00
Long. of Asc. Node (Ω)225.57943832° ± 5.00e+00
Arg. of Perihelion (ω)2.87223170° ± 6.00e+00
Mean Anomaly (M)155.83759112° ± 6.33e-05
Mean Motion (n)1.5855553514°/day ± 9.80e+00
Perihelion dist (q)0.29521819 AU ± 1.90e+00
Aphelion dist (Q)1.16152806 AU ± 5.00e+00
Orbital Period0.62162843 yr ± 3.84e+00
NGA Modelr2
A21.35095159e-06 AU/d²
Physical Parameters
H (abs. magnitude)17.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.469″
Uncertainty0
Orbit TypeAten
MOID0.153583 AU
Observations Used1450
Gaia Obs Used46
Oppositions16
Arc Total1989-2016
First Observation Used1989-11-02
Last Observation Used2025-12-21
Observations (1535)
Date Type RA Dec Mag Band Observatory
1997-10-21 03:51:23 C 18 01 22.22 +37 10 59.6 658
1997-10-21 03:56:32 C 18 01 25.28 +37 10 49.2 658
1997-10-21 03:59:26 C 18 01 26.98 +37 10 43.1 658
1997-10-21 04:06:50 C 18 01 31.40 +37 10 28.2 658
1997-10-21 10:00:00 C 18 05 01.53 +36 58 37.7 360
1997-10-21 10:05:59 C 18 05 05.05 +36 58 25.2 360
1997-10-21 10:10:30 C 18 05 07.70 +36 58 15.5 360
1997-11-02 17:14:17 C 20 32 56.98 +20 57 36.8 046
1997-11-02 17:16:05 C 20 32 57.63 +20 57 30.2 046
1997-11-02 17:21:21 C 20 32 59.60 +20 57 11.2 046
1997-11-02 17:22:44 C 20 33 00.10 +20 57 06.7 046
1997-11-05 10:20:00 C 20 55 51.76 +17 11 40.2 360
1997-11-05 10:23:00 C 20 55 52.72 +17 11 30.2 360
1997-11-05 10:27:59 C 20 55 54.32 +17 11 14.3 360
1997-11-07 09:56:08 C 21 10 40.80 +14 37 57.0 z 381
1997-11-07 09:58:58 C 21 10 41.60 +14 37 48.2 z 381
1997-11-07 10:01:55 C 21 10 42.46 +14 37 39.1 z 381
1997-11-09 04:03:21 C 21 22 34.95 +12 31 22.7 658
1997-11-09 04:06:33 C 21 22 35.81 +12 31 13.6 658
1997-11-09 04:09:57 C 21 22 36.74 +12 31 04.0 658
1997-11-11 03:58:32 C 21 34 55.30 +10 18 50.0 658
1997-11-11 04:02:23 C 21 34 56.26 +10 18 39.7 658
1997-11-11 04:06:43 C 21 34 57.27 +10 18 28.4 658
1997-11-20 10:09:29 C 22 19 39.06 +02 29 52.5 360
1997-11-20 10:15:29 C 22 19 40.03 +02 29 42.9 360
1997-11-20 10:20:59 C 22 19 40.90 +02 29 33.7 360
1998-01-02 02:13:24 C 00 09 14.15 -08 14 02.9 z 711
1998-01-02 02:27:19 C 00 09 15.22 -08 14 04.6 z 711
1998-01-03 02:22:25 C 00 11 11.61 -08 16 51.3 z 711
1998-01-03 02:36:29 C 00 11 12.73 -08 16 52.8 z 711
1999-09-14 01:37:51 C 06 36 29.89 +37 48 39.3 557
1999-09-14 01:41:13 C 06 36 30.07 +37 48 36.6 557
1999-09-14 01:44:34 C 06 36 30.18 +37 48 35.0 557
1999-10-09 11:08:06 c 06 52 00.89 +29 14 14.6 c 703
1999-10-09 11:25:35 c 06 52 00.99 +29 13 53.6 c 703
1999-10-09 11:43:08 c 06 52 01.06 +29 13 34.4 c 703
1999-10-09 12:00:38 c 06 52 01.14 +29 13 14.1 c 703
1999-10-13 10:01:14 C 06 52 28.23 +27 15 31.3 18.5 a 704
1999-10-13 10:26:38 C 06 52 28.00 +27 14 58.0 19.2 a 704
1999-10-13 10:49:47 C 06 52 27.93 +27 14 28.7 19.6 a 704
1999-10-13 11:12:38 C 06 52 27.86 +27 13 56.7 18.9 a 704
1999-10-20 18:04:59 C 06 50 43.25 +22 42 18.3 360
1999-10-20 18:08:29 C 06 50 43.15 +22 42 11.8 360
1999-10-20 18:11:59 C 06 50 43.01 +22 42 05.3 360
1999-10-22 08:50:33 C 06 49 46.98 +21 30 01.2 18.3 a 704
1999-10-22 09:08:54 C 06 49 46.46 +21 29 26.1 19.0 a 704
1999-10-22 09:27:24 C 06 49 45.84 +21 28 50.2 18.1 a 704
1999-10-22 09:45:50 C 06 49 45.30 +21 28 15.1 18.5 a 704
1999-11-02 00:55:35 C 06 36 19.51 +10 43 00.4 c 118
1999-11-02 01:03:31 C 06 36 18.81 +10 42 34.4 c 118