IAA RAS IAA Minor Planet Database

9172 Abhramu (1989 OB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5528095681 ± 2.97e-08
Semi-major axis (a)2.7099939282 AU ± 2.82e-09
Inclination (i)7.84213734° ± 6.02e-06
Long. of Asc. Node (Ω)287.57299592° ± 2.78e-05
Arg. of Perihelion (ω)74.18679131° ± 2.87e-05
Mean Anomaly (M)46.77244969° ± 4.36e-06
Mean Motion (n)0.2209325979°/day ± 3.44e-10
Perihelion dist (q)1.21188336 AU ± 8.05e-08
Aphelion dist (Q)4.20810450 AU ± 8.06e-08
Orbital Period4.46120805 yr ± 6.95e-09
Physical Parameters
H (abs. magnitude)16.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.390″
Uncertainty0
Orbit TypeAmor
MOID0.250608 AU
Observations Used456
Oppositions29
Arc Total1989-2026
First Observation Used1989-07-07
Last Observation Used2026-02-07
Observations (477)
Date Type RA Dec Mag Band Observatory
2020-08-22 04:33:17 S 17 25 41.08 -19 36 34.4 – L C51
2020-08-22 10:50:40 S 17 25 52.142 -19 34 30.90 – L C51
2020-08-24 06:35:02 C 17 27 15.30 -19 20 29.0 – V T05
2020-08-24 06:40:18 C 17 27 15.48 -19 20 26.6 – V T05
2020-08-24 06:54:21 C 17 27 15.89 -19 20 22.2 – V T05
2020-08-24 06:59:38 C 17 27 16.08 -19 20 20.5 – V T05
2020-08-24 07:03:38 C 17 27 16.16 -19 20 19.1 – V T05
2020-08-24 07:07:35 C 17 27 16.26 -19 20 17.7 – V T05
2020-11-03 00:19:31 C 20 14 59.93 -08 28 42.8 – V W34
2020-11-03 00:41:43 C 20 15 03.19 -08 28 28.5 – V W34
2020-11-03 00:49:30 C 20 15 04.32 -08 28 24.4 – V W34
2020-11-05 05:25:08 C 20 22 57.26 -07 55 21.9 – V T05
2020-11-05 05:29:50 C 20 22 58.00 -07 55 19.1 – V T05
2020-11-05 05:37:52 C 20 22 59.18 -07 55 13.8 – V T05
2020-11-05 05:59:00 C 20 23 02.34 -07 55 00.5 – V T05
2020-11-17 01:58:38 C 21 07 10.33 -04 39 52.2 – V 703
2020-11-17 02:21:33 C 21 07 13.87 -04 39 36.5 – V 703
2020-11-20 01:53:14 C 21 18 40.73 -03 46 27.0 – V 703
2020-11-20 02:00:50 C 21 18 42.00 -03 46 21.4 – V 703
2020-11-20 02:16:05 C 21 18 44.44 -03 46 11.4 – V 703
2020-11-25 02:00:11 C 21 38 05.95 -02 14 20.2 – V 703
2020-11-25 02:01:11 C 21 38 06.05 -02 14 19.1 – V G96
2020-11-25 02:08:27 C 21 38 07.22 -02 14 13.4 – V 703
2020-11-25 02:09:15 C 21 38 07.34 -02 14 12.8 – V G96
2020-11-25 02:17:22 C 21 38 08.65 -02 14 06.5 – V G96
2020-11-25 02:25:00 C 21 38 09.99 -02 13 58.6 – V 703
2020-11-25 02:25:26 C 21 38 09.83 -02 14 01.2 – V G96
2020-11-27 02:59:18 C 21 46 03.87 -01 35 55.1 – V 703
2020-11-27 03:07:02 C 21 46 05.16 -01 35 50.1 – V 703
2020-11-27 03:14:45 C 21 46 06.32 -01 35 43.9 – V 703
2020-11-27 03:22:29 C 21 46 07.65 -01 35 37.3 – V 703
2020-12-02 02:57:33 C 22 05 39.16 -00 00 23.9 – U I41
2020-12-02 03:36:57 C 22 05 45.51 +00 00 07.5 – U I41
2020-12-03 02:28:29 C 22 09 29.78 +00 18 28.0 – V 703
2020-12-03 02:52:57 C 22 09 33.74 +00 18 48.0 – V 703
2020-12-04 02:15:26 C 22 13 23.14 +00 37 38.4 – U I41
2020-12-04 04:05:59 C 22 13 40.99 +00 39 07.1 – U I41
2020-12-04 04:22:11 C 22 13 43.64 +00 39 20.3 – U I41
2020-12-06 03:00:52 C 22 21 21.04 +01 16 57.8 – V 703
2020-12-06 03:25:41 C 22 21 25.10 +01 17 17.2 – V 703
2020-12-07 01:21:42 C 22 25 00.24 +01 35 01.3 – V G96
2020-12-07 01:29:49 C 22 25 01.53 +01 35 07.7 – V G96
2020-12-07 01:37:56 C 22 25 02.85 +01 35 14.2 – V G96
2020-12-07 01:46:05 C 22 25 04.17 +01 35 20.8 – V G96
2020-12-07 05:21:39 C 22 25 39.27 +01 38 17.1 – V T05
2020-12-07 05:26:17 C 22 25 39.99 +01 38 20.8 – V T05
2020-12-07 05:34:18 C 22 25 41.27 +01 38 27.1 – V T05
2020-12-07 05:49:37 C 22 25 43.74 +01 38 38.9 – V T05
2020-12-09 01:16:05 C 22 32 48.99 +02 13 42.5 – V W33
2020-12-09 01:26:32 C 22 32 50.67 +02 13 50.8 – V W33