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
2017-10-26 02:48:01 C 05 54 35.77 +29 50 08.4 U 160
2017-10-27 13:02:52 C 05 47 16.07 +28 25 18.6 T08
2017-10-27 13:16:03 C 05 47 12.97 +28 24 44.4 T08
2017-10-27 13:33:10 C 05 47 08.97 +28 23 59.5 T08
2017-10-27 13:53:39 C 05 47 04.15 +28 23 06.0 T08
2017-10-28 02:57:22 C 05 44 06.55 +27 47 57.8 U 160
2017-10-28 02:59:28 C 05 44 06.05 +27 47 52.0 U 160
2017-10-28 03:01:34 C 05 44 05.55 +27 47 46.6 U 160
2017-10-29 13:04:45 C 05 35 58.33 +26 10 27.4 T05
2017-10-29 13:18:27 C 05 35 54.78 +26 09 46.3 T05
2017-10-29 13:25:11 C 05 35 53.03 +26 09 26.0 T05
2017-10-29 13:47:37 C 05 35 47.20 +26 08 18.3 T05
2017-10-30 05:11:59 C 05 31 56.75 +25 20 27.0 q H15
2017-10-30 05:22:53 C 05 31 53.92 +25 19 53.3 q H15
2017-10-30 05:32:00 C 05 31 51.54 +25 19 25.3 q H15
2017-10-30 10:26:16 C 05 30 32.72 +25 03 54.7 q H45
2017-10-30 10:27:13 C 05 30 32.47 +25 03 51.8 q H45
2017-10-30 10:28:08 C 05 30 32.23 +25 03 48.8 q H45
2017-10-30 10:28:58 C 05 30 32.00 +25 03 46.0 q H45
2017-10-30 10:29:49 C 05 30 31.78 +25 03 43.4 q H45
2017-10-30 10:31:02 C 05 30 31.45 +25 03 39.5 q H45
2017-10-31 13:01:14 C 05 23 29.51 +23 35 34.3 T08
2017-10-31 13:15:28 C 05 23 25.45 +23 34 45.1 T08
2017-10-31 13:22:35 C 05 23 23.41 +23 34 20.2 T08
2017-11-01 20:21:21 C 05 14 42.79 +21 41 56.6 v 073
2017-11-01 22:18:10 C 05 14 08.22 +21 34 38.8 v 073
2017-11-01 22:59:12 C 05 13 56.48 +21 32 03.1 q 160
2017-11-01 23:01:06 C 05 13 55.91 +21 31 55.9 q 160
2017-11-01 23:03:01 C 05 13 55.34 +21 31 48.6 q 160
2017-11-02 01:11:39 C 05 13 16.14 +21 23 39.9 v 073
2017-11-02 12:12:20 C 05 10 02.19 +20 41 16.6 T05
2017-11-02 12:19:47 C 05 09 59.87 +20 40 47.4 T05
2017-11-02 12:31:08 C 05 09 56.35 +20 40 02.8 T05
2017-11-02 12:46:23 C 05 09 51.61 +20 39 02.7 T05
2017-11-02 19:57:57 C 05 07 44.34 +20 10 02.7 v 073
2017-11-02 22:03:01 C 05 07 05.82 +20 01 44.7 v 073
2017-11-03 00:17:28 C 05 06 23.88 +19 52 42.7 v 073
2017-11-04 23:15:25 C 04 51 36.90 +16 30 44.3 U Z80
2017-11-04 23:17:20 C 04 51 36.31 +16 30 35.3 U Z80
2017-11-04 23:19:16 C 04 51 35.65 +16 30 26.2 U Z80
2017-11-04 23:21:00 C 04 51 35.07 +16 30 18.6 U Z80
2017-11-09 10:43:32 C 04 14 16.31 +07 33 03.4 U T05
2017-11-09 10:56:35 C 04 14 11.39 +07 31 53.0 U T05
2017-11-09 11:09:18 C 04 14 06.58 +07 30 44.5 U T05
2017-11-09 11:20:50 C 04 14 02.22 +07 29 42.3 U T05
2017-11-11 10:20:53 C 03 56 41.80 +03 12 08.6 U T08
2017-11-11 10:24:03 C 03 56 40.56 +03 11 51.4 U T08
2017-11-11 10:33:08 C 03 56 37.06 +03 11 00.7 U T08
2017-11-11 10:36:02 C 03 56 35.94 +03 10 44.7 U T08
2017-11-11 10:44:22 C 03 56 32.73 +03 09 58.5 U T08