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
1997-10-25 19:59:59 C 21 59 04.47 -05 03 04.7 15.8 124
1997-10-25 19:59:59 C 21 59 04.51 -05 03 05.1 15.6 957
1997-10-25 20:59:27 C 21 59 13.76 -05 02 19.9 14.9 z 618
1997-10-25 21:18:43 C 21 59 16.88 -05 02 04.5 15.5 z 618
1997-10-25 21:44:45 C 21 59 20.92 -05 01 43.5 15.9 z 618
1997-10-25 22:00:59 C 21 59 23.52 -05 01 31.4 15.7 z 618
1997-10-26 03:50:19 C 22 00 19.98 -04 57 01.9 z 700
1997-10-26 03:58:44 C 22 00 21.30 -04 56 55.4 z 700
1997-10-26 04:05:41 C 22 00 22.36 -04 56 49.9 z 700
1997-10-26 06:16:24 C 22 00 43.59 -04 55 05.6 c 566
1997-10-26 06:30:28 C 22 00 45.73 -04 54 54.8 c 566
1997-10-26 06:46:15 C 22 00 48.18 -04 54 42.7 c 566
1997-10-26 17:29:22 C 22 02 31.81 -04 46 33.6 z 104
1997-10-26 17:32:34 C 22 02 32.32 -04 46 31.2 z 104
1997-10-26 17:38:19 C 22 02 33.23 -04 46 27.5 z 104
1997-10-26 17:40:10 C 22 02 33.52 -04 46 26.2 z 104
1997-10-26 18:38:19 C 22 02 42.70 -04 45 40.7 16.0 124
1997-10-26 18:54:19 C 22 02 45.23 -04 45 28.8 16.0 124
1997-10-26 19:07:58 C 22 02 47.32 -04 45 19.0 16.1 124
1997-10-26 19:23:59 C 22 02 49.89 -04 45 06.7 16.1 124
1997-10-26 21:00:00 C 22 03 04.83 -04 43 52.2 16.1 z 618
1997-10-26 21:14:59 C 22 03 07.16 -04 43 40.6 16.1 z 618
1997-10-26 21:31:00 C 22 03 09.72 -04 43 28.4 16.3 z 618
1997-10-26 21:45:00 C 22 03 11.91 -04 43 17.6 16.1 z 618
1997-10-26 22:00:59 C 22 03 14.39 -04 43 04.6 15.9 z 618
1997-10-27 17:55:56 C 22 06 25.66 -04 27 49.9 046
1997-10-27 17:57:59 C 22 06 26.01 -04 27 48.2 046
1997-10-27 18:00:30 C 22 06 26.38 -04 27 46.4 046
1997-10-28 02:13:24 C 22 07 43.76 -04 21 08.9 z 861
1997-10-28 02:20:36 C 22 07 44.86 -04 21 03.4 z 861
1997-10-28 02:28:39 C 22 07 46.12 -04 20 57.2 z 861
1997-10-28 13:33:23 C 22 09 31.70 -04 12 45.2 z 352
1997-10-28 13:36:23 C 22 09 32.16 -04 12 42.9 z 352
1997-10-28 13:39:24 C 22 09 32.63 -04 12 40.5 z 352
1997-10-28 17:38:42 C 22 10 11.37 -04 09 40.5 557
1997-10-28 18:48:36 C 22 10 22.20 -04 08 47.1 557
1997-10-28 19:53:45 C 22 10 32.29 -04 07 57.3 557
1997-10-28 21:27:01 C 22 10 46.77 -04 06 45.7 557
1997-10-29 02:26:00 C 22 11 34.73 -04 02 54.4 z 670
1997-10-29 03:04:00 C 22 11 40.57 -04 02 25.1 z 670
1997-10-29 03:33:59 C 22 11 45.18 -04 02 02.4 z 670
1997-10-29 10:43:31 C 22 12 52.80 -03 56 34.4 z 402
1997-10-29 10:46:31 C 22 12 53.26 -03 56 32.2 z 402
1997-10-29 10:49:53 C 22 12 53.78 -03 56 29.6 z 402
1997-10-30 17:20:43 C 22 17 41.02 -03 33 17.7 557
1997-10-30 18:45:46 C 22 17 54.02 -03 32 13.0 557
1997-10-30 19:37:42 C 22 18 01.96 -03 31 33.7 557
1997-10-30 20:21:27 C 22 18 08.66 -03 31 00.3 557
1997-10-30 21:35:30 C 22 18 20.01 -03 30 03.8 557
1997-10-31 16:58:35 C 22 21 21.56 -03 15 22.0 557