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
2020-11-11 12:02:13 C 23 26 23.24 -22 23 07.6 q Q68
2020-11-11 12:04:25 C 23 26 23.20 -22 23 07.0 q Q68
2020-11-11 23:59:49 C 23 26 21.03 -22 19 55.8 q 834
2020-11-12 00:39:34 C 23 26 20.75 -22 19 44.6 q 834
2020-11-12 15:32:25 S 23 26 18.835 -22 15 39.49 L C51
2020-11-12 15:32:36 S 23 26 18.835 -22 15 39.60 L C51
2020-11-12 18:40:56 S 23 26 18.55 -22 14 46.0 L C51
2020-11-12 21:49:14 S 23 26 18.329 -22 13 51.96 L C51
2020-11-13 00:57:34 S 23 26 18.163 -22 12 57.56 L C51
2020-11-13 02:30:53 S 23 26 18.10 -22 12 29.5 L C51
2020-11-13 02:31:05 S 23 26 18.08 -22 12 29.8 L C51
2020-11-13 04:05:09 S 23 26 18.02 -22 12 02.1 L C51
2020-11-13 05:39:57 S 23 26 17.99 -22 11 34.9 L C51
2020-11-13 07:14:12 S 23 26 17.95 -22 11 07.2 L C51
2020-11-13 08:48:15 S 23 26 17.95 -22 10 39.3 L C51
2020-11-13 08:48:27 S 23 26 17.94 -22 10 39.2 L C51
2020-11-13 11:56:46 S 23 26 17.96 -22 09 43.5 L C51
2020-11-13 14:23:47 C 23 26 17.45 -22 08 54.0 q Q68
2020-11-13 14:25:58 C 23 26 17.45 -22 08 53.3 q Q68
2020-11-13 14:28:09 C 23 26 17.45 -22 08 52.6 q Q68
2020-11-13 14:30:21 C 23 26 17.45 -22 08 51.9 q Q68
2020-11-13 14:36:34 C 23 26 17.45 -22 08 49.9 q Q68
2020-11-13 14:38:46 C 23 26 17.44 -22 08 49.2 q Q68
2020-11-13 14:40:57 C 23 26 17.45 -22 08 48.6 q Q68
2020-11-13 14:43:09 C 23 26 17.44 -22 08 48.0 q Q68
2020-11-13 15:05:04 S 23 26 18.01 -22 08 47.1 L C51
2020-11-14 10:51:54 C 23 26 19.51 -22 02 38.4 q Q68
2020-11-14 10:54:05 C 23 26 19.49 -22 02 37.5 q Q68
2020-11-14 10:56:16 C 23 26 19.50 -22 02 37.0 q Q68
2020-11-14 11:53:32 C 23 26 19.48 -22 02 18.5 q Q68
2020-11-14 11:55:43 C 23 26 19.48 -22 02 17.7 q Q68
2020-11-14 11:57:54 C 23 26 19.48 -22 02 17.0 q Q68
2020-11-14 12:00:06 C 23 26 19.47 -22 02 16.2 q Q68
2020-11-15 04:14:57 C 23 26 22.71 -21 57 14.3 U I41
2020-11-15 04:36:13 C 23 26 22.73 -21 57 07.4 U I41
2020-11-15 13:31:26 C 23 26 24.62 -21 53 58.4 q Q68
2020-11-15 13:33:37 C 23 26 24.64 -21 53 57.6 q Q68
2020-11-15 13:35:48 C 23 26 24.65 -21 53 56.8 q Q68
2020-11-15 13:37:59 C 23 26 24.65 -21 53 56.3 q Q68
2020-11-15 13:43:02 C 23 26 24.67 -21 53 54.7 q Q68
2020-11-15 13:45:13 C 23 26 24.68 -21 53 53.7 q Q68
2020-11-15 13:47:24 C 23 26 24.67 -21 53 52.9 q Q68
2020-11-15 13:49:38 C 23 26 24.69 -21 53 52.2 q Q68
2020-11-16 07:07:14 C 23 26 30.68 -21 48 10.5 V T05
2020-11-16 07:11:51 C 23 26 30.70 -21 48 08.9 V T05
2020-11-16 07:21:44 C 23 26 30.72 -21 48 05.4 V T05
2020-11-16 07:37:33 C 23 26 30.78 -21 47 59.9 V T05
2020-11-17 04:14:44 C 23 26 39.74 -21 40 44.7 U I41
2020-11-17 04:36:01 C 23 26 39.86 -21 40 36.9 U I41
2020-11-20 02:59:03 C 23 27 27.23 -21 13 35.1 V 703