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
2017-12-04 07:15:39 C 01 17 57.29 -28 49 04.0 U T08
2017-12-04 07:25:33 C 01 17 55.52 -28 49 16.6 U T08
2017-12-04 07:35:27 C 01 17 53.79 -28 49 29.7 U T08
2017-12-04 07:54:36 C 01 17 50.41 -28 49 54.0 U T08
2017-12-06 19:07:01 S 01 08 42.68 -29 58 32.7 L C51
2017-12-06 22:15:31 S 01 08 15.75 -30 01 48.8 L C51
2017-12-06 23:49:46 S 01 08 02.11 -30 03 26.5 L C51
2017-12-07 01:24:01 S 01 07 48.87 -30 05 03.2 L C51
2017-12-07 02:58:16 S 01 07 35.51 -30 06 39.6 L C51
2017-12-08 07:19:28 C 01 03 42.69 -30 34 28.1 U T08
2017-12-08 07:29:22 C 01 03 41.28 -30 34 36.6 U T08
2017-12-08 07:35:18 C 01 03 40.48 -30 34 42.1 U T08
2017-12-08 07:39:16 C 01 03 39.91 -30 34 45.4 U T08
2017-12-08 07:45:14 C 01 03 39.05 -30 34 51.1 U T08
2017-12-08 07:50:31 C 01 03 38.33 -30 34 56.0 U T08
2017-12-08 07:53:49 C 01 03 37.93 -30 34 58.9 U T08
2017-12-08 08:13:36 C 01 03 35.14 -30 35 15.5 U T08
2017-12-10 07:17:10 C 00 57 43.85 -31 15 06.8 U T05
2017-12-10 07:26:24 C 00 57 42.69 -31 15 13.9 U T05
2017-12-10 07:46:09 C 00 57 40.22 -31 15 28.6 U T05
2017-12-12 07:14:10 C 00 52 23.66 -31 49 35.6 U T08
2017-12-12 07:21:26 C 00 52 22.82 -31 49 40.3 U T08
2017-12-12 07:31:20 C 00 52 21.71 -31 49 46.1 U T08
2017-12-16 06:47:19 C 00 43 22.98 -32 44 09.6 U T08
2017-12-16 06:57:15 C 00 43 22.06 -32 44 13.1 U T08
2017-12-16 07:06:29 C 00 43 21.27 -32 44 18.4 U T08
2019-10-26 11:12:30 C 08 45 11.70 -01 23 20.1 V 703
2019-10-26 11:27:35 C 08 45 14.02 -01 23 55.1 V 703
2019-10-26 11:35:09 C 08 45 15.07 -01 24 12.5 V 703
2019-10-28 14:54:24 C 08 53 19.64 -03 27 10.5 V T08
2019-10-28 14:59:04 C 08 53 20.41 -03 27 22.1 V T08
2019-10-28 15:09:04 C 08 53 21.97 -03 27 46.6 V T08
2019-10-28 15:18:31 C 08 53 23.46 -03 28 09.8 V T08
2019-10-29 11:35:57 C 08 56 41.77 -04 18 39.3 V 703
2019-10-29 11:51:02 C 08 56 44.26 -04 19 17.3 V 703
2019-10-29 11:58:34 C 08 56 45.52 -04 19 34.8 V 703
2019-10-30 03:24:59 C 08 59 19.23 -04 58 41.2 V C95
2019-10-30 03:37:25 C 08 59 21.25 -04 59 13.4 V C95
2019-10-30 03:49:52 C 08 59 23.26 -04 59 45.2 V C95
2019-11-01 11:16:18 C 09 08 55.84 -07 24 51.2 V 703
2019-11-01 11:23:20 C 09 08 57.12 -07 25 07.9 V 703
2019-11-01 11:37:26 C 09 08 59.72 -07 25 44.4 V 703
2019-11-01 13:43:47 C 09 09 22.35 -07 31 23.8 V T08
2019-11-01 13:49:17 C 09 09 23.28 -07 31 37.8 V T08
2019-11-01 13:56:45 C 09 09 24.55 -07 31 58.1 V T08
2019-11-01 14:14:56 C 09 09 27.74 -07 32 47.8 V T08
2019-11-04 11:20:39 C 09 22 14.26 -10 44 21.7 V 703
2019-11-04 11:41:58 C 09 22 18.39 -10 45 21.9 V 703
2020-10-12 01:57:17 C 16 02 00.41 +33 39 12.3 V 703
2020-10-12 02:05:46 C 16 02 04.25 +33 39 14.0 V 703