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
2020-10-13 22:20:35 C 23 47 46.75 -22 12 32.4 o L52
2020-10-13 22:30:38 C 23 47 46.14 -22 12 35.1 o L52
2020-10-14 02:49:05 C 23 47 33.17 -22 13 54.6 q W46
2020-10-14 03:03:57 C 23 47 32.38 -22 13 58.9 q W46
2020-10-14 03:21:44 C 23 47 31.42 -22 14 04.3 q W46
2020-10-14 04:16:29 C 23 47 28.28 -22 14 10.6 o W92
2020-10-14 04:35:59 C 23 47 27.26 -22 14 16.9 o W92
2020-10-15 04:31:17 C 23 46 13.72 -22 21 29.7 V 703
2020-10-15 04:39:03 C 23 46 13.29 -22 21 32.3 V 703
2020-10-15 04:46:49 C 23 46 12.87 -22 21 34.7 V 703
2020-10-15 04:54:36 C 23 46 12.45 -22 21 37.0 V 703
2020-10-15 10:12:14 C 23 45 55.86 -22 23 04.7 V T05
2020-10-15 10:17:31 C 23 45 55.58 -22 23 06.3 V T05
2020-10-15 10:28:46 C 23 45 54.98 -22 23 09.3 V T05
2020-10-15 10:42:50 C 23 45 54.22 -22 23 13.1 V T05
2020-10-15 11:28:51 C 23 45 52.36 -22 23 17.2 q Q68
2020-10-15 11:31:08 C 23 45 52.24 -22 23 17.9 q Q68
2020-10-15 11:33:25 C 23 45 52.11 -22 23 18.5 q Q68
2020-10-15 11:35:41 C 23 45 51.98 -22 23 19.0 q Q68
2020-10-15 12:25:57 C 23 45 49.31 -22 23 33.0 q Q68
2020-10-15 12:28:11 C 23 45 49.18 -22 23 33.7 q Q68
2020-10-15 12:30:26 C 23 45 49.07 -22 23 34.0 q Q68
2020-10-15 12:32:41 C 23 45 48.94 -22 23 34.9 q Q68
2020-10-17 07:03:04 C 23 43 41.958 -22 34 46.72 U F51
2020-10-17 07:20:08 C 23 43 41.074 -22 34 50.82 U F51
2020-10-17 07:37:10 C 23 43 40.189 -22 34 55.01 U F51
2020-10-17 07:54:09 C 23 43 39.311 -22 34 59.28 U F51
2020-10-17 08:43:37 C 23 43 36.72 -22 35 10.9 V T08
2020-10-17 08:48:16 C 23 43 36.48 -22 35 12.0 V T08
2020-10-17 08:57:33 C 23 43 36.00 -22 35 14.2 V T08
2020-10-17 09:13:28 C 23 43 35.17 -22 35 18.1 V T08
2020-10-18 00:46:28 C 23 42 50.33 -22 38 46.0 o W92
2020-10-18 02:40:47 C 23 42 44.53 -22 39 12.2 o W92
2020-10-19 09:21:08 C 23 41 17.27 -22 45 49.4 V T05
2020-10-19 09:25:45 C 23 41 17.10 -22 45 50.0 V T05
2020-10-19 09:33:42 C 23 41 16.71 -22 45 51.9 V T05
2020-10-19 09:50:13 C 23 41 15.90 -22 45 54.9 V T05
2020-10-19 19:46:35 C 23 40 48.82 -22 47 52.3 V G17
2020-10-19 19:51:00 C 23 40 48.59 -22 47 53.2 V G17
2020-10-19 19:55:31 C 23 40 48.37 -22 47 54.1 V G17
2020-10-20 17:46:28 C 23 39 49.13 -22 51 35.7 q L68
2020-10-20 18:11:53 C 23 39 47.97 -22 51 40.0 q L68
2020-10-20 18:19:26 C 23 39 47.63 -22 51 41.7 q L68
2020-10-21 08:49:20 C 23 39 08.72 -22 54 11.9 V T08
2020-10-21 08:53:59 C 23 39 08.55 -22 54 12.6 V T08
2020-10-21 08:54:39 C 23 39 08.46 -22 54 12.6 V T08
2020-10-22 04:17:56 C 23 38 18.46 -22 57 04.9 V 703
2020-10-22 04:26:06 C 23 38 18.08 -22 57 06.1 V 703
2020-10-22 04:34:16 C 23 38 17.71 -22 57 07.3 V 703
2020-10-22 04:42:25 C 23 38 17.33 -22 57 08.5 V 703