9950 ESA (1990 VB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5329201423 ± 1.43e-08
Semi-major axis (a)2.4385971114 AU ± 3.33e-09
Inclination (i)14.59305729° ± 2.81e-06
Long. of Asc. Node (Ω)253.43982833° ± 6.02e-06
Arg. of Perihelion (ω)103.60390955° ± 7.14e-06
Mean Anomaly (M)74.57697994° ± 2.88e-06
Mean Motion (n)0.2588225988°/day ± 5.31e-10
Perihelion dist (q)1.13901959 AU ± 3.49e-08
Aphelion dist (Q)3.73817463 AU ± 3.53e-08
Orbital Period3.80811524 yr ± 7.81e-09
Physical Parameters
H (abs. magnitude)16.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.272″
Uncertainty0
Orbit TypeAmor
MOID0.279349 AU
Observations Used791
Oppositions27
Arc Total1990-2026
First Observation Used1990-11-08
Last Observation Used2026-04-05
Observations (857)
Date Type RA Dec Mag Band Observatory
2015-03-22 08:44:04 C 10 09 52.998 -09 35 06.65 L F51
2015-03-22 08:59:15 C 10 09 52.560 -09 35 02.24 L F51
2015-03-22 09:14:28 C 10 09 52.117 -09 34 57.90 L F51
2015-04-18 06:09:50 C 09 57 55.987 -06 36 51.10 L F51
2015-04-18 06:27:35 C 09 57 55.828 -06 36 46.91 L F51
2015-04-18 06:45:19 C 09 57 55.687 -06 36 42.51 L F51
2016-04-11 09:41:50 C 13 03 17.675 -24 07 33.32 L F51
2016-04-11 09:56:45 C 13 03 17.050 -24 07 29.15 L F51
2016-04-11 10:11:40 C 13 03 16.425 -24 07 25.05 L F51
2016-04-11 10:26:33 C 13 03 15.797 -24 07 20.87 L F51
2016-06-05 06:27:23 C 12 29 18.421 -16 52 49.45 L F51
2016-06-05 06:42:18 C 12 29 18.375 -16 52 45.74 L F51
2016-06-05 06:57:16 C 12 29 18.330 -16 52 41.73 L F51
2016-06-05 07:12:12 C 12 29 18.275 -16 52 37.83 L F51
2017-08-31 14:32:29 C 06 29 03.706 +27 25 17.02 L F51
2017-08-31 14:40:24 C 06 29 04.597 +27 25 13.82 L F51
2017-08-31 14:48:19 C 06 29 05.486 +27 25 10.58 L F51
2017-09-24 11:27:36 C 07 24 27.44 +22 53 53.1 q G96
2017-09-24 11:37:33 C 07 24 28.22 +22 53 48.0 q G96
2017-09-24 11:47:30 C 07 24 29.01 +22 53 42.9 q G96
2017-09-24 12:24:46 C 07 24 31.93 +22 53 23.6 q G96
2017-10-01 10:49:30 C 07 37 02.51 +21 26 16.5 q 703
2017-10-01 10:56:39 C 07 37 03.08 +21 26 14.1 q 703
2017-10-01 11:03:47 C 07 37 03.57 +21 26 09.5 q 703
2017-10-01 11:10:56 C 07 37 04.01 +21 26 05.2 q 703
2017-10-27 10:20:39 C 08 09 12.59 +15 55 33.9 U 703
2017-10-27 10:36:06 C 08 09 13.03 +15 55 26.5 U 703
2017-10-27 10:43:48 C 08 09 13.36 +15 55 22.7 U 703
2017-10-30 09:33:29 C 08 11 19.06 +15 18 49.7 U 703
2017-10-30 09:41:59 C 08 11 19.28 +15 18 45.8 U 703
2017-10-30 09:50:14 C 08 11 19.50 +15 18 42.2 U 703
2017-10-30 09:57:56 C 08 11 19.73 +15 18 37.8 U 703
2017-11-14 09:56:40 C 08 16 37.44 +12 21 46.0 q H15
2017-11-14 10:05:48 C 08 16 37.56 +12 21 41.4 q H15
2017-11-14 10:14:56 C 08 16 37.49 +12 21 37.1 q H15
2017-11-16 09:38:08 C 08 16 37.73 +11 59 45.3 U G96
2017-11-16 09:50:54 C 08 16 37.69 +11 59 39.5 U G96
2017-11-16 09:58:20 C 08 16 37.66 +11 59 36.1 U G96
2017-11-16 10:05:44 C 08 16 37.64 +11 59 32.9 U G96
2017-11-20 13:45:34 C 08 16 04.75 +11 14 58.4 U T08
2017-11-20 14:00:27 C 08 16 04.66 +11 14 52.9 U T08
2017-11-20 14:14:19 C 08 16 04.45 +11 14 45.3 U T08
2017-11-20 14:28:18 C 08 16 04.30 +11 14 41.2 U T08
2017-11-22 13:08:16 C 08 15 33.607 +10 54 29.37 L F51
2017-11-22 13:23:45 C 08 15 33.381 +10 54 22.77 L F51
2017-11-22 13:39:23 C 08 15 33.152 +10 54 16.15 L F51
2017-11-22 13:55:05 C 08 15 32.923 +10 54 09.42 L F51
2017-11-23 12:13:07 C 08 15 14.49 +10 44 40.5 U 703
2017-11-23 12:22:42 C 08 15 14.37 +10 44 35.7 U 703
2017-11-23 12:32:24 C 08 15 14.19 +10 44 31.8 U 703