887 Alinda (A918 AA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5711699949 ± 1.90e-09
Semi-major axis (a)2.4736287789 AU ± 5.48e-10
Inclination (i)9.40006250° ± 4.27e-07
Long. of Asc. Node (Ω)110.40587156° ± 1.60e-06
Arg. of Perihelion (ω)350.53450784° ± 1.66e-06
Mean Anomaly (M)81.54059221° ± 2.04e-07
Mean Motion (n)0.2533439215°/day ± 8.42e-11
Perihelion dist (q)1.06076624 AU ± 4.72e-09
Aphelion dist (Q)3.88649132 AU ± 4.79e-09
Orbital Period3.89046746 yr ± 1.29e-09
Physical Parameters
H (abs. magnitude)13.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.189″
Uncertainty0
Orbit TypeAmor
MOID0.079551 AU
Observations Used5556
Gaia Obs Used114
Oppositions74
Arc Total1918-2025
First Observation Used1918-02-03
Last Observation Used2025-08-27
Observations (6319)
Date Type RA Dec Mag Band Observatory
2020-08-23 12:34:03 C 00 36 18.93 -11 21 14.0 V T08
2020-08-23 12:36:43 C 00 36 18.90 -11 21 15.2 V T08
2020-08-23 12:41:24 C 00 36 18.86 -11 21 17.3 V T08
2020-08-25 11:51:43 C 00 35 53.37 -11 43 03.1 V T05
2020-08-25 11:57:02 C 00 35 53.29 -11 43 05.7 V T05
2020-08-25 12:00:59 C 00 35 53.25 -11 43 07.5 V T05
2020-08-25 12:16:18 C 00 35 53.07 -11 43 14.8 V T05
2020-08-26 09:59:33 C 00 35 38.57 -11 53 36.9 V 703
2020-08-26 10:07:21 C 00 35 38.43 -11 53 40.5 V 703
2020-08-26 10:15:09 C 00 35 38.34 -11 53 44.2 V 703
2020-08-26 10:22:57 C 00 35 38.14 -11 53 49.8 V 703
2020-08-27 11:30:48 C 00 35 19.66 -12 05 59.7 V T08
2020-08-27 11:34:48 C 00 35 19.60 -12 06 01.7 V T08
2020-08-27 11:38:47 C 00 35 19.54 -12 06 03.7 V T08
2020-08-27 11:42:06 C 00 35 19.44 -12 06 05.4 V T08
2020-08-27 11:48:43 C 00 35 19.38 -12 06 08.6 V T08
2020-08-28 08:51:17 C 00 35 01.94 -12 16 36.3 U I41
2020-08-28 09:26:54 C 00 35 01.36 -12 16 54.2 U I41
2020-08-28 13:09:44 C 00 34 57.977 -12 18 44.23 U F52
2020-08-28 13:57:05 C 00 34 57.181 -12 19 08.04 U F52
2020-08-29 08:46:35 C 00 34 40.15 -12 28 40.9 U I41
2020-08-29 09:57:04 C 00 34 38.90 -12 29 16.9 U I41
2020-08-29 12:00:45 C 00 34 36.99 -12 30 18.6 V T05
2020-08-29 12:08:41 C 00 34 36.85 -12 30 22.5 V T05
2020-08-29 12:11:19 C 00 34 36.80 -12 30 24.0 V T05
2020-08-29 12:19:14 C 00 34 36.66 -12 30 28.0 V T05
2020-08-31 10:06:41 C 00 33 48.86 -12 54 15.8 V T08
2020-08-31 10:10:41 C 00 33 48.77 -12 54 17.7 V T08
2020-08-31 10:20:29 C 00 33 48.56 -12 54 23.0 V T08
2020-08-31 10:28:27 C 00 33 48.40 -12 54 27.4 V T08
2020-09-01 10:13:41 C 00 33 20.46 -13 07 06.6 V T05
2020-09-01 10:18:20 C 00 33 20.36 -13 07 09.3 V T05
2020-09-01 10:26:56 C 00 33 20.16 -13 07 13.8 V T05
2020-09-01 10:34:14 C 00 33 20.01 -13 07 17.8 V T05
2020-09-05 07:31:58 C 00 31 10.04 -13 58 34.7 o W92
2020-09-05 07:48:36 C 00 31 09.57 -13 58 43.9 o W92
2020-09-05 07:51:55 C 00 31 09.51 -13 58 46.1 o W92
2020-09-05 08:05:16 C 00 31 09.11 -13 58 53.5 o W92
2020-09-06 12:50:45 C 00 30 22.55 -14 15 27.1 V T05
2020-09-06 12:54:47 C 00 30 22.42 -14 15 29.4 V T05
2020-09-06 13:09:24 C 00 30 21.98 -14 15 37.8 V T05
2020-09-06 13:50:17 C 00 30 20.75 -14 16 01.3 V T05
2020-09-07 10:54:21 C 00 29 44.57 -14 28 14.2 V 703
2020-09-07 11:01:59 C 00 29 44.34 -14 28 18.5 V 703
2020-09-07 11:09:37 C 00 29 44.08 -14 28 22.9 V 703
2020-09-07 11:16:38 C 00 29 43.87 -14 28 26.9 V 703
2020-09-07 12:16:20 C 00 29 42.34 -14 29 00.8 V T08
2020-09-07 12:56:57 C 00 29 41.05 -14 29 24.3 V T08
2020-09-07 13:38:01 C 00 29 39.75 -14 29 48.2 V T08
2020-09-07 14:14:04 C 00 29 38.62 -14 30 09.0 V T08