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
2026-01-11 10:43:06 C 08 57 00.111 +13 29 29.25 X F52
2026-01-11 11:00:45 C 08 56 59.256 +13 29 30.79 X F52
2026-01-14 09:11:00 C 08 53 38.303 +13 35 41.86 V G96
2026-01-14 09:21:17 C 08 53 37.741 +13 35 42.68 V G96
2026-01-14 09:28:46 C 08 53 37.403 +13 35 43.87 V G96
2026-01-14 09:36:16 C 08 53 37.000 +13 35 44.20 V G96
2026-01-14 19:30:51 C 08 53 08.13 +13 36 39.6 V D29
2026-01-14 19:51:13 C 08 53 07.13 +13 36 41.1 V D29
2026-01-14 20:11:34 C 08 53 06.11 +13 36 42.6 V D29
2026-01-15 18:31:35 C 08 52 00.88 +13 38 49.7 V D29
2026-01-15 18:51:57 C 08 51 59.84 +13 38 51.3 V D29
2026-01-15 19:12:19 C 08 51 58.84 +13 38 53.3 V D29
2026-01-22 17:56:01 C 08 43 41.969 +13 55 53.48 V D29
2026-01-22 18:16:20 C 08 43 40.897 +13 55 54.96 V D29
2026-01-22 18:36:39 C 08 43 39.841 +13 55 57.20 V D29
2026-01-24 16:53:55 C 08 41 21.271 +14 00 57.24 V D29
2026-01-24 17:14:16 C 08 41 20.050 +14 00 59.86 V D29
2026-01-28 08:17:01 C 08 37 02.061 +14 10 28.73 X F51
2026-01-28 08:31:25 C 08 37 01.339 +14 10 30.34 X F51
2026-01-28 08:45:52 C 08 37 00.614 +14 10 31.84 X F51
2026-01-28 09:00:19 C 08 36 59.894 +14 10 33.50 X F51
2026-02-06 06:50:19 C 08 26 56.951 +14 33 35.53 V G96
2026-02-06 06:57:53 C 08 26 56.587 +14 33 36.11 V G96
2026-02-06 07:05:28 C 08 26 56.227 +14 33 37.30 V G96
2026-02-06 07:13:01 C 08 26 55.903 +14 33 38.20 V G96
2026-02-07 15:12:08 C 08 25 31.557 +14 36 56.10 V D29
2026-02-07 15:52:52 C 08 25 29.772 +14 37 01.06 V D29