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
2018-06-21 11:13:18 C 16 50 58.39 -15 24 49.6 U T05
2018-06-21 11:28:46 C 16 50 57.78 -15 24 50.4 U T05
2018-07-05 08:36:17 C 16 39 34.015 -15 34 58.61 U F52
2018-07-05 08:50:30 C 16 39 33.587 -15 34 59.18 U F52
2018-07-05 09:19:00 C 16 39 32.724 -15 35 00.46 U F52
2018-07-12 13:25:13 C 16 34 59.29 -15 43 32.5 q D29
2018-07-12 13:45:34 C 16 34 58.80 -15 43 33.7 q D29
2018-07-12 14:05:56 C 16 34 58.31 -15 43 34.6 q D29
2019-06-03 13:39:39 C 20 07 28.163 -19 49 32.98 U F51
2019-06-03 13:52:20 C 20 07 27.926 -19 49 34.17 U F51
2019-06-03 14:05:00 C 20 07 27.701 -19 49 35.31 U F51
2019-06-03 14:17:40 C 20 07 27.467 -19 49 36.53 U F51
2019-06-11 09:10:20 C 20 03 37.02 -20 09 04.6 V G96
2019-06-11 09:18:36 C 20 03 36.80 -20 09 05.4 V G96
2019-06-11 09:26:51 C 20 03 36.61 -20 09 06.4 V G96
2019-06-11 09:35:06 C 20 03 36.40 -20 09 07.5 V G96
2019-06-12 13:28:48 C 20 02 56.037 -20 12 19.63 U F51
2019-06-12 13:43:20 C 20 02 55.667 -20 12 21.28 U F51
2019-06-12 13:57:52 C 20 02 55.295 -20 12 23.02 U F51
2019-06-12 14:12:23 C 20 02 54.927 -20 12 24.69 U F51
2019-06-25 00:52:08 C 19 54 15.45 -20 50 48.4 V C95
2019-06-25 01:20:53 C 19 54 14.47 -20 50 51.4 V C95
2019-07-01 17:40:38 C 19 48 38.22 -21 13 35.3 q D29
2019-07-01 18:03:33 C 19 48 37.25 -21 13 38.6 q D29
2019-07-06 11:10:54 C 19 44 22.09 -21 30 03.9 V T05
2019-07-06 11:24:15 C 19 44 21.58 -21 30 05.3 V T05
2019-07-06 11:26:33 C 19 44 21.44 -21 30 05.2 V T05
2019-07-06 11:27:52 C 19 44 21.44 -21 30 06.0 V T05
2019-07-06 11:37:35 C 19 44 21.06 -21 30 07.3 V T05
2019-07-06 11:52:09 C 19 44 20.39 -21 30 08.9 V T05
2019-07-10 11:01:58 C 19 40 37.60 -21 44 00.1 V T05
2019-07-10 11:06:57 C 19 40 37.44 -21 44 00.5 V T05
2019-07-10 11:21:02 C 19 40 36.85 -21 44 01.8 V T05
2019-07-10 15:53:16 C 19 40 26.14 -21 44 43.1 q D29
2019-07-10 16:14:55 C 19 40 25.27 -21 44 44.8 q D29
2019-07-10 16:36:33 C 19 40 24.27 -21 44 48.3 q D29
2019-07-27 09:42:35 C 19 24 23.64 -22 39 51.7 V T08
2019-07-27 09:47:53 C 19 24 23.33 -22 39 52.4 V T08
2019-07-27 09:57:11 C 19 24 23.03 -22 39 53.9 V T08
2019-07-27 10:13:45 C 19 24 22.38 -22 39 55.0 V T08
2019-07-31 11:13:11 C 19 20 39.89 -22 51 45.1 q E89
2019-07-31 11:33:04 C 19 20 39.16 -22 51 46.3 q E89
2019-08-08 05:12:21 C 19 14 02.36 -23 12 25.5 U I41
2019-08-08 05:47:00 C 19 14 01.17 -23 12 28.8 U I41
2019-08-08 05:58:23 C 19 14 00.79 -23 12 30.0 U I41
2019-08-08 06:02:13 C 19 14 00.66 -23 12 30.3 U I41
2019-08-08 06:24:13 C 19 13 59.90 -23 12 32.6 U I41
2019-08-20 04:07:34 C 19 05 34.78 -23 38 20.5 U I41
2019-08-20 04:40:31 C 19 05 33.93 -23 38 23.1 U I41
2019-08-22 04:51:17 C 19 04 23.86 -23 42 02.3 U I41