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
1941-09-26 08:28:07 A 01 07 54.32 -13 11 49.3 711
1941-09-27 08:29:42 A 01 07 04.10 -13 25 47.9 711
1941-09-27 08:37:12 A 01 07 03.83 -13 25 51.5 711
1941-10-17 05:05:10 A 00 45 47.71 -17 30 33.8 711
1941-10-17 05:10:39 A 00 45 47.45 -17 30 36.0 711
1941-11-18 00:57:31 A 00 20 06.74 -18 02 01.8 754
1941-11-18 04:13:02 A 00 20 04.82 -18 00 57.6 754
1941-11-22 03:01:28 A 00 19 52.40 -17 26 35.1 754
1941-11-22 03:20:23 A 00 19 52.37 -17 26 27.2 754
1942-01-11 18:44:42 A 01 24 07.95 -00 51 59.8 012
1942-01-17 19:48:59 A 01 39 08.58 +02 00 36.0 024
1942-01-18 19:55:59 A 01 41 47.39 +02 30 06.6 024
1942-01-18 20:35:59 A 01 41 51.55 +02 30 54.0 024
1942-01-20 18:29:59 A 01 47 00.46 +03 27 36.3 15.0 024
1953-11-11 04:54:29 00 21 06.55 -19 10 33.4 675
1953-11-11 05:28:59 00 21 05.67 -19 10 27.0 675
1957-10-01 06:37:28 A 01 17 46.91 -13 33 42.1 760
1957-10-01 07:36:27 A 01 17 44.65 -13 34 16.5 760
1969-08-20 09:40:00 A 02 14 53.66 -00 43 58.7 807
1969-08-21 07:50:00 A 02 16 05.32 -00 46 21.6 807
1969-09-05 07:00:00 A 02 34 17.73 -01 50 27.1 807
1969-09-12 02:45:01 A 02 41 39.83 -02 37 27.9 17.5 026
1969-09-13 02:27:01 A 02 42 39.93 -02 45 10.7 026
1969-09-13 03:41:28 A 02 42 43.27 -02 45 37.8 026
1969-09-18 02:26:00 A 02 47 29.71 -03 28 13.0 026
1969-10-10 00:34:18 A 03 02 13.27 -07 46 33.6 033
1969-10-10 01:04:17 A 03 02 13.65 -07 46 51.2 033
1969-10-14 01:21:27 A 03 03 30.11 -08 43 24.8 095
1969-10-14 01:59:49 A 03 03 30.94 -08 43 58.5 020
1969-10-14 02:18:46 A 03 03 31.16 -08 44 09.3 020
1969-11-10 19:29:00 A 03 00 00.13 -14 28 55.2 14.5 076
1969-11-10 20:19:00 A 02 59 59.02 -14 29 09.3 14.5 076
1970-01-03 21:03:01 A 03 26 41.97 +05 07 28.1 14.0 026
1970-01-06 21:01:00 A 03 34 35.29 +07 55 37.9 026
1970-01-07 17:12:32 A 03 36 59.97 +08 44 00.2 046
1970-01-07 17:18:11 A 03 37 00.64 +08 44 15.0 046
1970-01-12 19:46:04 A 03 53 08.48 +13 45 28.9 046
1970-01-12 19:51:04 A 03 53 09.08 +13 45 42.6 046
1970-01-12 21:47:04 A 03 53 24.76 +13 50 30.3 046
1970-01-12 21:52:33 A 03 53 25.76 +13 50 46.9 046
1970-01-14 17:28:33 A 03 59 55.34 +15 39 25.0 046
1970-01-14 17:34:34 A 03 59 56.16 +15 39 39.6 046
1970-02-08 05:27:40 A 05 55 24.89 +35 05 53.3 693
1970-02-08 05:32:40 A 05 55 25.99 +35 05 59.1 693
1970-02-13 04:21:50 A 06 21 41.83 +37 00 44.4 695
1970-02-13 04:23:39 A 06 21 42.22 +37 00 45.7 695
1970-03-14 03:34:39 A 08 29 15.91 +37 10 47.7 695
1970-03-14 03:43:30 A 08 29 17.14 +37 10 43.6 695
1970-04-06 06:55:56 A 09 35.38 +31 32.6 693
1970-04-06 07:09:57 A 09 35.40 +31 32.4 693