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
2024-06-04 08:33:10 C 14 13 05.286 -22 17 51.87 X F52
2024-06-04 08:49:15 C 14 13 04.723 -22 17 44.75 X F52
2024-06-10 05:15:44 C 14 08 53.236 -21 17 27.02 V G96
2024-06-10 05:23:15 C 14 08 53.027 -21 17 23.96 V G96
2024-06-10 05:30:47 C 14 08 52.796 -21 17 20.58 V G96
2024-06-10 05:38:19 C 14 08 52.609 -21 17 17.34 V G96
2024-06-11 06:53:13 C 14 08 14.083 -21 06 46.52 X F52
2024-06-11 07:09:25 C 14 08 13.652 -21 06 39.72 X F52
2024-06-11 07:25:30 C 14 08 13.229 -21 06 33.18 X F52
2024-06-11 07:41:42 C 14 08 12.802 -21 06 26.52 X F52
2025-12-26 12:03:51 C 09 54 05.779 -04 53 22.55 X F51
2025-12-26 12:04:46 C 09 54 05.768 -04 53 22.74 X F51
2025-12-26 12:20:19 C 09 54 05.452 -04 53 25.44 X F51
2025-12-26 12:21:16 C 09 54 05.437 -04 53 25.62 X F51
2025-12-26 12:36:53 C 09 54 05.126 -04 53 28.42 X F51
2025-12-26 12:37:48 C 09 54 05.108 -04 53 28.66 X F51
2025-12-26 12:53:24 C 09 54 04.802 -04 53 31.38 X F51
2025-12-26 12:54:21 C 09 54 04.779 -04 53 31.39 X F51
2026-01-13 11:10:20 C 09 42 15.421 -05 40 16.33 X F51
2026-01-13 11:30:08 C 09 42 14.703 -05 40 16.98 X F51
2026-01-13 12:09:54 C 09 42 13.238 -05 40 18.47 X F51
2026-01-17 07:40:39 C 09 38 51.241 -05 41 59.96 V G96
2026-01-17 07:48:04 C 09 38 50.953 -05 42 00.25 V G96
2026-01-17 07:55:29 C 09 38 50.636 -05 41 58.99 V G96
2026-01-17 08:02:52 C 09 38 50.374 -05 41 59.86 V G96
2026-01-18 11:36:13 C 09 37 46.720 -05 41 53.25 X F51
2026-01-18 11:53:42 C 09 37 46.015 -05 41 53.32 X F51
2026-01-18 12:11:15 C 09 37 45.312 -05 41 53.03 X F51
2026-01-27 11:16:47 C 09 28 54.101 -05 31 39.47 X F51
2026-01-27 11:34:07 C 09 28 53.353 -05 31 37.96 X F51
2026-01-27 11:51:27 C 09 28 52.586 -05 31 36.57 X F51
2026-01-27 12:08:47 C 09 28 51.819 -05 31 35.00 X F51
2026-02-09 08:10:20 C 09 15 23.321 -04 49 59.70 V G96
2026-02-09 08:17:45 C 09 15 22.986 -04 49 58.76 V G96
2026-02-09 08:25:09 C 09 15 22.630 -04 49 57.29 V G96
2026-02-16 04:17:40 C 09 08 25.53 -04 17 07.6 W94
2026-02-16 04:26:36 C 09 08 25.04 -04 17 06.5 W94
2026-02-16 04:35:33 C 09 08 24.68 -04 17 04.9 W94
2026-02-24 06:22:41 C 09 00 52.938 -03 31 48.25 V V00
2026-02-24 06:30:46 C 09 00 52.636 -03 31 46.24 V V00
2026-02-24 06:38:49 C 09 00 52.344 -03 31 44.22 V V00
2026-02-24 06:46:51 C 09 00 52.038 -03 31 42.24 V V00
2026-02-25 05:33:18 C 09 00 03.010 -03 26 03.26 V G96
2026-02-25 05:41:21 C 09 00 02.707 -03 26 00.89 V G96
2026-02-25 05:49:25 C 09 00 02.455 -03 25 59.48 V G96
2026-02-25 05:57:28 C 09 00 02.128 -03 25 57.18 V G96
2026-03-07 06:57:31 C 08 52 26.587 -02 23 59.13 X F51
2026-03-07 07:14:28 C 08 52 26.117 -02 23 54.69 X F51
2026-03-07 07:31:40 C 08 52 25.632 -02 23 50.22 X F51
2026-03-07 07:48:40 C 08 52 25.154 -02 23 45.88 X F51