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
1997-10-03 19:54:59 C 20 31 49.45 -11 33 09.8 z 108
1997-10-03 20:05:47 C 20 31 51.17 -11 33 01.7 z 108
1997-10-03 20:08:00 C 20 31 51.52 -11 33 01.1 z 108
1997-10-03 20:10:09 C 20 31 51.94 -11 32 58.4 z 108
1997-10-03 20:20:57 C 20 31 53.49 -11 32 53.0 z 046
1997-10-03 20:22:56 C 20 31 53.80 -11 32 51.6 z 046
1997-10-03 20:27:36 C 20 31 54.55 -11 32 48.5 z 046
1997-10-03 20:30:08 C 20 31 54.95 -11 32 46.9 z 046
1997-10-03 23:53:36 C 20 32 28.03 -11 30 08.8 z 861
1997-10-04 00:03:16 C 20 32 29.56 -11 30 02.2 z 861
1997-10-04 00:18:48 C 20 32 31.97 -11 29 51.6 z 861
1997-10-04 18:48:00 C 20 35 33.21 -11 17 47.0 z 046
1997-10-04 18:51:52 C 20 35 33.85 -11 17 44.3 z 046
1997-10-04 18:55:46 C 20 35 34.46 -11 17 41.6 z 046
1997-10-04 23:44:58 C 20 36 21.42 -11 14 03.9 z 861
1997-10-04 23:53:45 C 20 36 22.83 -11 13 58.1 z 861
1997-10-05 02:36:01 C 20 36 50.08 -11 12 26.1 z 670
1997-10-05 02:50:45 C 20 36 52.18 -11 12 17.3 710
1997-10-05 02:53:00 C 20 36 52.73 -11 12 14.6 z 670
1997-10-05 03:08:59 C 20 36 55.29 -11 12 03.6 z 670
1997-10-05 03:23:24 C 20 36 57.40 -11 11 54.2 z 700
1997-10-05 03:31:38 C 20 36 58.71 -11 11 48.6 z 700
1997-10-05 03:38:50 C 20 36 59.84 -11 11 43.6 z 700
1997-10-05 03:38:59 C 20 36 59.78 -11 11 44.3 710
1997-10-05 03:47:01 C 20 37 01.15 -11 11 38.1 z 700
1997-10-05 17:41:34 C 20 39 18.37 -11 02 10.7 z 046
1997-10-05 17:43:05 C 20 39 18.62 -11 02 09.7 z 046
1997-10-05 17:44:38 C 20 39 18.85 -11 02 08.6 z 046
1997-10-05 20:46:39 C 20 39 48.02 -11 00 03.2 540
1997-10-05 20:48:27 C 20 39 48.30 -11 00 02.1 540
1997-10-05 20:50:13 C 20 39 48.60 -11 00 00.7 540
1997-10-06 03:21:29 C 20 40 53.19 -10 55 29.7 710
1997-10-06 03:58:14 C 20 40 59.06 -10 55 04.3 710
1997-10-06 11:28:00 C 20 42 13.22 -10 49 52.4 360
1997-10-06 11:30:59 C 20 42 13.70 -10 49 50.3 360
1997-10-06 11:35:00 C 20 42 14.33 -10 49 47.5 360
1997-10-06 17:56:50 C 20 43 17.68 -10 45 26.3 z 046
1997-10-06 17:59:10 C 20 43 18.06 -10 45 24.7 z 046
1997-10-06 18:00:58 C 20 43 18.35 -10 45 23.5 z 046
1997-10-06 19:45:02 C 20 43 35.03 -10 44 11.1 z 118
1997-10-06 19:48:50 C 20 43 35.65 -10 44 08.3 z 118
1997-10-06 19:58:22 C 20 43 37.19 -10 44 01.6 z 118
1997-10-07 11:33:26 C 20 46 11.66 -10 32 44.1 426
1997-10-07 12:36:24 C 20 46 21.76 -10 31 59.6 426
1997-10-07 19:03:18 C 20 47 26.25 -10 27 53.3 z 118
1997-10-07 19:10:31 C 20 47 27.43 -10 27 48.3 z 118
1997-10-07 19:14:18 C 20 47 28.02 -10 27 45.6 z 118
1997-10-10 02:37:46 C 20 56 40.42 -09 48 14.0 z 700
1997-10-10 02:49:03 C 20 56 42.28 -09 48 06.2 z 700
1997-10-10 03:09:58 C 20 56 45.63 -09 47 51.1 z 700