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
2020-09-22 21:59:22 C 00 14 55.20 -18 11 49.3 V 089
2020-09-23 09:47:03 C 00 14 20.29 -18 18 45.1 V T08
2020-09-23 09:49:42 C 00 14 20.15 -18 18 46.7 V T08
2020-09-23 09:57:00 C 00 14 19.77 -18 18 51.1 V T08
2020-09-23 10:10:59 C 00 14 19.03 -18 18 59.4 V T08
2020-09-23 21:43:36 C 00 13 44.44 -18 25 50.4 V 089
2020-09-23 21:48:47 C 00 13 44.16 -18 25 53.2 V 089
2020-09-23 21:51:23 C 00 13 44.04 -18 25 54.8 V 089
2020-09-23 21:53:59 C 00 13 43.89 -18 25 56.4 V 089
2020-09-23 21:56:35 C 00 13 43.73 -18 25 57.7 V 089
2020-09-23 21:59:11 C 00 13 43.63 -18 25 59.4 V 089
2020-09-23 22:01:47 C 00 13 43.47 -18 26 00.7 V 089
2020-09-23 22:06:59 C 00 13 43.21 -18 26 03.5 V 089
2020-09-24 05:55:52 C 00 13 19.86 -18 30 37.1 V 703
2020-09-24 06:03:25 C 00 13 19.46 -18 30 41.8 V 703
2020-09-24 06:10:58 C 00 13 19.05 -18 30 46.2 V 703
2020-09-24 06:18:31 C 00 13 18.66 -18 30 50.9 V 703
2020-09-25 06:28:05 C 00 12 04.84 -18 44 53.7 V G96
2020-09-25 06:35:00 C 00 12 04.47 -18 44 57.9 V G96
2020-09-25 06:41:55 C 00 12 04.10 -18 45 01.9 V G96
2020-09-25 06:48:51 C 00 12 03.73 -18 45 05.9 V G96
2020-09-25 10:12:08 C 00 11 53.23 -18 47 02.0 V T05
2020-09-25 10:18:05 C 00 11 52.91 -18 47 05.4 V T05
2020-09-25 10:25:59 C 00 11 52.48 -18 47 09.9 V T05
2020-09-25 10:43:46 C 00 11 51.52 -18 47 20.2 V T05
2020-09-26 09:18:57 C 00 10 41.53 -19 00 16.7 V T05
2020-09-26 09:22:15 C 00 10 41.35 -19 00 18.5 V T05
2020-09-26 09:29:36 C 00 10 40.95 -19 00 22.8 V T05
2020-09-26 09:38:10 C 00 10 40.48 -19 00 27.7 V T05
2020-09-27 05:23:12 C 00 09 38.56 -19 11 37.8 V 703
2020-09-27 05:31:59 C 00 09 38.00 -19 11 43.8 V 703
2020-09-27 05:40:47 C 00 09 37.52 -19 11 48.9 V 703
2020-09-27 05:49:35 C 00 09 37.03 -19 11 54.0 V 703
2020-09-27 08:29:20 C 00 09 28.66 -19 13 22.0 V T08
2020-09-27 08:33:06 C 00 09 28.45 -19 13 24.1 V T08
2020-09-27 08:41:04 C 00 09 28.01 -19 13 28.6 V T08
2020-09-27 08:55:41 C 00 09 27.20 -19 13 36.8 V T08
2020-09-27 19:21:20 C 00 08 54.05 -19 19 28.9 V C40
2020-09-27 19:24:25 C 00 08 53.89 -19 19 30.6 V C40
2020-09-27 19:42:55 C 00 08 52.88 -19 19 40.9 V C40
2020-09-27 19:44:28 C 00 08 52.79 -19 19 41.8 V C40
2020-09-27 19:47:33 C 00 08 52.62 -19 19 43.5 V C40
2020-09-27 19:52:09 C 00 08 52.36 -19 19 46.1 V C40
2020-09-27 19:53:43 C 00 08 52.28 -19 19 47.0 V C40
2020-09-27 19:56:47 C 00 08 52.11 -19 19 48.7 V C40
2020-09-27 20:09:06 C 00 08 51.44 -19 19 55.7 V C40
2020-09-27 20:29:09 C 00 08 50.32 -19 20 06.8 V C40
2020-09-27 20:32:14 C 00 08 50.15 -19 20 08.4 V C40
2020-09-27 20:36:50 C 00 08 49.89 -19 20 11.0 V C40
2020-09-27 21:22:47 C 00 08 47.44 -19 20 37.1 V 089