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
1997-10-21 12:07:14 C 21 42 10.40 -06 22 57.8 360
1997-10-21 17:23:57 C 21 43 03.02 -06 18 58.0 557
1997-10-21 18:26:15 C 21 43 13.03 -06 18 10.1 557
1997-10-21 19:19:50 C 21 43 21.63 -06 17 29.0 557
1997-10-21 20:38:18 C 21 43 34.25 -06 16 28.4 557
1997-10-21 21:31:33 C 21 43 42.84 -06 15 47.4 557
1997-10-22 11:54:43 C 21 46 04.14 -06 04 20.9 z 422
1997-10-22 11:57:25 C 21 46 04.58 -06 04 18.8 z 422
1997-10-22 12:00:06 C 21 46 05.00 -06 04 16.8 z 422
1997-10-22 17:58:03 C 21 47 04.30 -06 00 04.4 557
1997-10-22 18:06:48 C 21 47 05.71 -05 59 57.3 046
1997-10-22 18:08:48 C 21 47 06.03 -05 59 55.9 046
1997-10-22 18:15:16 C 21 47 07.06 -05 59 50.9 046
1997-10-22 19:02:26 C 21 47 14.55 -05 59 14.5 z 118
1997-10-22 19:07:07 C 21 47 15.34 -05 59 11.3 557
1997-10-22 19:10:34 C 21 47 15.84 -05 59 08.3 z 118
1997-10-22 19:12:06 C 21 47 16.10 -05 59 06.9 z 118
1997-10-22 19:55:00 C 21 47 23.01 -05 58 34.3 557
1997-10-22 20:26:08 C 21 47 28.00 -05 58 10.3 557
1997-10-23 01:21:11 C 21 48 15.83 -05 54 03.3 z 861
1997-10-23 01:33:12 C 21 48 17.75 -05 53 54.0 z 861
1997-10-23 12:11:40 C 21 50 02.13 -05 45 59.8 z 402
1997-10-23 12:14:41 C 21 50 02.62 -05 45 57.5 z 402
1997-10-24 03:17:55 C 21 52 29.97 -05 34 25.1 658
1997-10-24 03:25:38 C 21 52 31.19 -05 34 19.1 658
1997-10-24 03:30:12 C 21 52 31.96 -05 34 15.7 658
1997-10-24 18:12:31 C 21 54 55.00 -05 22 56.4 046
1997-10-24 18:18:16 C 21 54 55.91 -05 22 52.0 046
1997-10-24 18:20:09 C 21 54 56.22 -05 22 50.5 046
1997-10-24 18:22:08 C 21 54 56.53 -05 22 49.0 046
1997-10-24 20:04:03 C 21 55 12.89 -05 21 31.0 z 966
1997-10-24 20:16:54 C 21 55 14.95 -05 21 21.1 z 966
1997-10-24 21:00:00 C 21 55 21.74 -05 20 45.4 15.6 957
1997-10-24 21:29:59 C 21 55 26.56 -05 20 23.4 15.9 957
1997-10-24 22:00:00 C 21 55 31.27 -05 19 58.5 15.6 957
1997-10-25 03:04:44 C 21 56 20.90 -05 16 04.0 z 700
1997-10-25 03:10:12 C 21 56 21.76 -05 15 59.6 z 700
1997-10-25 03:21:53 C 21 56 23.60 -05 15 50.3 z 700
1997-10-25 04:36:02 C 21 56 35.43 -05 14 53.1 z 670
1997-10-25 04:51:04 C 21 56 37.81 -05 14 41.5 z 670
1997-10-25 05:05:59 C 21 56 40.14 -05 14 29.9 z 670
1997-10-25 10:51:52 C 21 57 36.00 -05 09 45.1 z 422
1997-10-25 10:53:36 C 21 57 36.26 -05 09 43.7 z 422
1997-10-25 10:55:21 C 21 57 36.54 -05 09 42.4 z 422
1997-10-25 19:00:00 C 21 58 55.05 -05 03 50.6 15.5 124
1997-10-25 19:00:00 C 21 58 55.10 -05 03 50.7 15.6 957
1997-10-25 19:14:59 C 21 58 57.43 -05 03 39.0 15.8 124
1997-10-25 19:30:00 C 21 58 59.61 -05 03 27.0 15.6 124
1997-10-25 19:30:00 C 21 58 59.83 -05 03 28.3 15.6 957
1997-10-25 19:45:00 C 21 59 02.14 -05 03 16.2 15.6 124