85490 (1997 SE5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6599203685 ± 2.16e-08
Semi-major axis (a)3.7648975278 AU ± 4.44e-08
Inclination (i)2.57574384° ± 2.85e-06
Long. of Asc. Node (Ω)247.54098849° ± 8.32e-05
Arg. of Perihelion (ω)94.21389940° ± 8.42e-05
Mean Anomaly (M)329.71280026° ± 1.75e-05
Mean Motion (n)0.1349219272°/day ± 2.39e-09
Perihelion dist (q)1.28036496 AU ± 8.28e-08
Aphelion dist (Q)6.24943009 AU ± 1.10e-07
Orbital Period7.30516013 yr ± 1.29e-07
Physical Parameters
H (abs. magnitude)14.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.413″
Uncertainty0
Orbit TypeAmor
MOID0.274649 AU
Observations Used882
Oppositions37
Arc Total1982-2025
First Observation Used1982-04-20
Last Observation Used2025-06-18
Observations (911)
Date Type RA Dec Mag Band Observatory
1997-10-10 03:24:00 C 20 56 47.88 -09 47 40.9 z 700
1997-10-10 04:18:38 C 20 56 56.69 -09 47 00.7 z 712
1997-10-10 04:40:35 C 20 57 00.29 -09 46 45.2 z 712
1997-10-10 05:00:59 C 20 57 03.43 -09 46 30.8 z 712
1997-10-10 05:19:15 C 20 57 06.58 -09 46 17.3 z 712
1997-10-12 03:00:00 C 21 04 44.83 -09 13 01.8 z 670
1997-10-12 03:33:00 C 21 04 50.15 -09 12 36.9 z 670
1997-10-12 03:45:00 C 21 04 52.14 -09 12 28.1 z 670
1997-10-13 18:01:20 C 21 11 16.09 -08 44 13.6 z 118
1997-10-13 18:09:50 C 21 11 17.48 -08 44 07.3 z 118
1997-10-15 02:38:44 C 21 16 43.19 -08 19 48.3 z 712
1997-10-15 02:41:45 C 21 16 43.71 -08 19 46.3 z 712
1997-10-15 02:42:30 C 21 16 43.72 -08 19 46.1 z 712
1997-10-15 02:50:29 C 21 16 45.10 -08 19 39.5 z 712
1997-10-15 02:51:14 C 21 16 45.12 -08 19 39.2 z 712
1997-10-15 03:34:30 C 21 16 52.27 -08 19 06.6 z 712
1997-10-15 03:35:15 C 21 16 52.30 -08 19 07.1 z 712
1997-10-16 03:13:59 C 21 20 49.38 -08 01 16.9 z 670
1997-10-16 03:27:49 C 21 20 51.64 -08 01 10.1 658
1997-10-16 03:35:32 C 21 20 52.89 -08 01 04.8 658
1997-10-16 03:39:10 C 21 20 53.56 -08 01 02.9 658
1997-10-16 03:58:59 C 21 20 56.71 -08 00 42.7 z 670
1997-10-16 04:36:00 C 21 21 02.68 -08 00 14.7 z 670
1997-10-17 18:29:17 C 21 27 21.61 -07 31 35.6 046
1997-10-17 18:30:52 C 21 27 21.86 -07 31 34.5 046
1997-10-17 18:32:29 C 21 27 22.12 -07 31 33.3 046
1997-10-17 18:34:00 C 21 27 22.37 -07 31 32.0 046
1997-10-18 00:32:49 C 21 28 21.45 -07 26 38.3 z 861
1997-10-18 00:41:30 C 21 28 22.90 -07 26 31.4 z 861
1997-10-18 00:51:46 C 21 28 24.50 -07 26 23.7 z 861
1997-10-18 02:35:24 C 21 28 42.58 -07 25 25.1 658
1997-10-18 02:37:45 C 21 28 43.00 -07 25 24.3 658
1997-10-18 02:44:52 C 21 28 44.10 -07 25 18.3 658
1997-10-18 18:31:46 C 21 31 21.23 -07 13 15.3 z 108
1997-10-18 18:46:29 C 21 31 23.57 -07 13 04.5 z 108
1997-10-19 03:04:45 C 21 32 46.11 -07 06 42.1 z 712
1997-10-19 03:07:44 C 21 32 46.60 -07 06 39.8 z 712
1997-10-19 03:14:30 C 21 32 47.68 -07 06 34.6 z 712
1997-10-19 03:17:15 C 21 32 48.12 -07 06 32.6 z 712
1997-10-20 11:23:58 C 21 38 06.35 -06 41 56.8 z 355
1997-10-20 11:26:45 C 21 38 06.82 -06 41 54.6 z 355
1997-10-20 11:29:32 C 21 38 07.27 -06 41 52.6 z 355
1997-10-20 19:31:05 C 21 39 26.71 -06 35 46.0 z 118
1997-10-20 19:36:53 C 21 39 27.64 -06 35 41.4 z 118
1997-10-20 19:43:45 C 21 39 28.74 -06 35 36.3 z 118
1997-10-21 05:45:03 C 21 41 07.51 -06 27 54.5 658
1997-10-21 05:48:01 C 21 41 08.00 -06 27 52.3 658
1997-10-21 05:54:36 C 21 41 09.04 -06 27 47.1 658
1997-10-21 12:01:15 C 21 42 09.44 -06 23 02.5 360
1997-10-21 12:04:14 C 21 42 09.92 -06 23 00.2 360