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
2020-12-09 01:37:02 C 22 32 52.35 +02 13 59.2 V W33
2020-12-11 05:55:08 C 22 41 23.29 +02 56 13.1 V T05
2020-12-11 05:59:44 C 22 41 24.07 +02 56 15.9 V T05
2020-12-11 06:15:01 C 22 41 26.53 +02 56 28.0 V T05
2020-12-11 06:23:37 C 22 41 27.90 +02 56 35.5 V T05
2020-12-12 18:17:21 C 22 47 17.95 +03 25 24.3 V 130
2020-12-12 18:25:14 C 22 47 19.18 +03 25 30.7 V 130
2020-12-15 05:09:55 C 22 56 50.04 +04 12 37.0 V T05
2020-12-15 05:15:12 C 22 56 50.89 +04 12 41.5 V T05
2020-12-15 05:23:06 C 22 56 52.09 +04 12 47.4 V T05
2020-12-15 05:40:22 C 22 56 54.83 +04 13 01.5 V T05
2020-12-25 05:57:05 C 23 35 16.06 +07 20 35.2 V T08
2020-12-25 06:02:24 C 23 35 16.87 +07 20 39.8 V T08
2020-12-25 06:10:22 C 23 35 18.09 +07 20 44.8 V T08
2020-12-25 06:25:01 C 23 35 20.36 +07 20 56.8 V T08
2020-12-26 02:02:12 C 23 38 25.43 +07 35 44.6 V 703
2020-12-26 02:09:28 C 23 38 26.57 +07 35 49.6 V 703
2020-12-26 02:24:00 C 23 38 29.04 +07 35 56.5 V 703
2021-01-02 02:27:00 C 00 04 29.79 +09 39 06.0 U I41
2021-01-02 03:14:06 C 00 04 36.88 +09 39 39.4 U I41
2021-01-03 03:52:41 C 00 08 21.97 +09 57 03.0 V 703
2021-01-03 04:00:17 C 00 08 23.17 +09 57 07.7 V 703
2021-01-03 04:07:53 C 00 08 24.31 +09 57 13.4 V 703
2021-01-03 04:15:30 C 00 08 25.36 +09 57 19.9 V 703
2021-01-04 02:29:11 C 00 11 47.96 +10 12 51.4 U I41
2021-01-04 03:09:31 C 00 11 54.02 +10 13 19.6 U I41
2021-01-06 03:19:30 C 00 19 09.60 +10 46 28.3 V 703
2021-01-06 03:27:45 C 00 19 10.79 +10 46 34.9 V 703
2021-01-06 03:36:01 C 00 19 12.01 +10 46 40.1 V 703
2021-01-06 03:44:16 C 00 19 13.06 +10 46 47.0 V 703
2021-01-11 05:23:48 C 00 37 16.616 +12 07 20.45 U F52
2021-01-11 05:40:30 C 00 37 19.034 +12 07 31.13 U F52
2021-01-11 05:57:15 C 00 37 21.465 +12 07 41.81 U F52
2021-01-11 06:14:04 C 00 37 23.905 +12 07 52.54 U F52
2021-02-05 03:28:35 C 01 59 56.43 +17 33 16.6 U I41
2021-02-05 03:37:45 C 01 59 57.59 +17 33 20.6 U I41
2021-02-07 03:11:34 C 02 06 06.46 +17 54 15.1 U I41
2021-02-07 03:40:44 C 02 06 10.20 +17 54 27.4 U I41
2021-04-03 02:44:29 C 04 36 50.08 +23 23 14.9 V G96
2021-04-03 02:50:55 C 04 36 50.81 +23 23 15.1 V G96
2021-04-03 02:57:21 C 04 36 51.44 +23 23 14.9 V G96
2021-04-03 03:03:46 C 04 36 52.03 +23 23 15.5 V G96
2022-01-26 12:18:44 C 10 30 34.155 +01 48 44.09 U F52
2022-01-26 12:37:20 C 10 30 33.567 +01 48 45.82 U F52
2022-01-26 12:55:56 C 10 30 32.979 +01 48 47.73 U F52
2022-02-09 09:06:07 C 10 19 13.114 +02 29 52.45 U F52
2022-02-09 09:22:34 C 10 19 12.490 +02 29 55.03 U F52
2022-02-09 09:55:34 C 10 19 11.227 +02 29 59.82 U F52
2022-03-05 08:11:50 C 09 58 06.044 +04 11 41.97 U F52
2022-03-05 08:28:19 C 09 58 05.484 +04 11 44.78 U F52