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
1982-04-20 14:03:24 13 39 28.39 -14 04 58.1 413
1982-04-20 15:03:24 13 39 26.13 -14 04 47.0 413
1990-10-16 10:50:00 05 18 44.71 +27 33 28.1 675
1990-10-16 12:00:00 05 18 44.48 +27 33 26.3 675
1990-11-20 20:49:24 A 04 47 14.29 +26 09 57.9 16.0 095
1990-11-20 21:09:24 A 04 47 13.24 +26 09 54.4 16.0 095
1997-06-28 05:42:59 C 18 42 28.56 -24 19 27.8 a 704
1997-06-28 05:46:08 C 18 42 28.44 -24 19 27.5 a 704
1997-06-28 06:17:07 C 18 42 27.38 -24 19 24.5 a 704
1997-06-28 06:20:17 C 18 42 27.34 -24 19 24.7 a 704
1997-06-28 06:50:56 C 18 42 26.35 -24 19 21.4 a 704
1997-06-28 06:54:06 C 18 42 26.28 -24 19 21.4 a 704
1997-06-29 05:37:50 C 18 41 49.34 -24 16 56.9 17.8 a 704
1997-06-29 06:11:46 C 18 41 48.36 -24 16 50.1 a 704
1997-06-29 06:45:42 C 18 41 47.24 -24 16 44.1 a 704
1997-06-29 07:19:41 C 18 41 46.26 -24 16 42.4 a 704
1997-06-29 07:53:35 C 18 41 45.12 -24 16 37.6 a 704
1997-07-02 06:40:30 C 18 39 43.00 -24 08 23.9 a 704
1997-07-02 07:14:10 C 18 39 41.86 -24 08 19.5 a 704
1997-07-02 07:47:42 C 18 39 40.76 -24 08 15.4 a 704
1997-07-02 08:21:15 C 18 39 39.63 -24 08 11.4 a 704
1997-07-02 08:54:48 C 18 39 38.46 -24 08 06.3 a 704
1997-09-28 09:48:17 C 20 11 06.05 -12 56 24.4 c 566
1997-09-28 10:03:40 C 20 11 08.38 -12 56 14.6 c 566
1997-09-28 10:18:34 C 20 11 10.63 -12 56 05.3 c 566
1997-09-28 20:00:03 C 20 12 42.17 -12 50 17.2 z 046
1997-09-28 20:01:57 C 20 12 42.46 -12 50 16.0 z 046
1997-09-28 20:03:59 C 20 12 42.77 -12 50 14.8 z 046
1997-09-28 20:06:43 C 20 12 43.19 -12 50 13.1 z 046
1997-09-28 20:08:42 C 20 12 43.48 -12 50 11.8 z 046
1997-09-28 20:10:44 C 20 12 43.80 -12 50 10.5 z 046
1997-09-29 02:40:59 C 20 13 45.47 -12 46 06.6 z 670
1997-09-29 02:53:00 C 20 13 47.28 -12 45 59.3 z 670
1997-09-29 03:22:59 C 20 13 51.82 -12 45 40.6 z 670
1997-09-29 03:53:00 C 20 13 56.37 -12 45 22.1 z 670
1997-09-29 04:23:00 C 20 14 00.90 -12 45 03.3 z 670
1997-09-29 04:52:59 C 20 14 05.45 -12 44 44.6 z 670
1997-09-29 08:16:43 C 20 14 37.01 -12 42 33.8 c 566
1997-09-29 08:30:28 C 20 14 39.11 -12 42 25.0 c 566
1997-09-29 08:45:01 C 20 14 41.29 -12 42 15.8 c 566
1997-09-29 11:38:27 C 20 15 09.09 -12 40 31.8 z 900
1997-09-29 11:51:45 C 20 15 11.11 -12 40 23.7 z 900
1997-09-29 13:56:29 C 20 15 30.19 -12 39 04.2 360
1997-09-29 14:06:30 C 20 15 31.72 -12 38 57.9 360
1997-09-29 14:10:30 C 20 15 32.34 -12 38 55.4 360
1997-09-29 18:05:48 C 20 16 10.49 -12 36 32.8 z 046
1997-09-29 18:07:43 C 20 16 10.79 -12 36 31.8 z 046
1997-09-29 18:10:04 C 20 16 11.16 -12 36 30.3 z 046
1997-09-29 18:26:38 C 20 16 13.70 -12 36 20.2 557
1997-09-29 18:28:37 C 20 16 14.00 -12 36 18.9 557