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
1997-12-28 06:31:11 C 01 10 38.58 +10 47 36.8 c 566
1997-12-28 06:47:22 C 01 10 40.11 +10 47 44.4 c 566
1997-12-30 18:58:37 C 01 16 31.12 +11 15 34.4 046
1997-12-30 19:02:19 C 01 16 31.52 +11 15 35.9 046
1997-12-30 19:05:45 C 01 16 31.83 +11 15 37.6 046
1998-01-02 02:51:29 C 01 21 52.86 +11 40 58.3 z 711
1998-01-02 03:05:24 C 01 21 54.25 +11 41 04.6 z 711
1998-01-03 02:55:26 C 01 24 10.40 +11 51 45.1 z 711
1998-01-03 03:09:29 C 01 24 11.67 +11 51 51.3 z 711
1998-01-09 03:58:39 C 01 37 45.80 +12 54 47.8 658
1998-01-09 04:05:02 C 01 37 46.39 +12 54 50.4 658
1998-01-09 04:25:15 C 01 37 48.21 +12 54 59.0 658
1998-01-10 17:20:18 C 01 41 12.48 +13 10 31.7 046
1998-01-10 17:23:38 C 01 41 12.76 +13 10 32.8 046
1998-01-10 17:28:29 C 01 41 13.23 +13 10 34.9 046
1998-01-24 05:09:57 C 02 10 12.83 +15 18 25.0 c 566
1998-01-24 05:23:40 C 02 10 14.02 +15 18 29.7 c 566
1998-01-24 05:38:53 C 02 10 15.33 +15 18 35.7 c 566
1998-01-29 19:45:03 C 02 21 54.83 +16 07 11.2 046
1998-01-29 19:48:00 C 02 21 55.04 +16 07 12.7 046
1998-01-29 19:51:27 C 02 21 55.37 +16 07 13.4 046
1998-02-08 18:41:38 C 02 42 17.44 +17 27 46.3 046
1998-02-08 18:44:21 C 02 42 17.68 +17 27 47.7 046
1998-02-08 18:49:39 C 02 42 18.14 +17 27 49.4 046
1998-02-23 18:40:58 C 03 12 11.92 +19 14 28.8 557
1998-02-23 18:43:49 C 03 12 12.23 +19 14 29.2 557
1998-02-23 18:46:40 C 03 12 12.42 +19 14 28.7 557
1998-02-23 18:49:31 C 03 12 12.70 +19 14 31.5 557
1998-03-08 04:50:26 C 03 36 25.08 +20 29 27.7 a 696
1998-03-08 04:54:02 C 03 36 25.40 +20 29 28.9 a 696
1998-03-08 04:57:36 C 03 36 25.62 +20 29 29.4 a 696
1998-03-19 04:18:06 C 03 57 26.75 +21 25 32.4 658
1998-03-19 04:29:41 C 03 57 27.63 +21 25 35.1 658
1998-12-22 08:47:30 C 08 58 52.93 +16 14 12.6 i 691
1998-12-22 09:19:28 C 08 58 52.16 +16 14 14.3 i 691
1998-12-22 09:54:15 C 08 58 51.40 +16 14 17.2 i 691
1999-01-08 07:54:54 C 08 47 35.86 +16 53 23.2 i 691
1999-01-08 08:26:32 C 08 47 34.85 +16 53 25.9 i 691
1999-01-08 08:58:05 C 08 47 33.81 +16 53 30.4 i 691
1999-01-17 09:18:34 C 08 40 24.55 +17 18 12.1 a 691
1999-01-17 09:49:48 C 08 40 23.47 +17 18 15.5 a 691
1999-01-17 10:20:48 C 08 40 22.40 +17 18 19.3 a 691
1999-02-20 04:09:44 C 08 14 34.80 +18 42 27.6 i 691
1999-02-20 04:41:53 C 08 14 33.98 +18 42 31.0 i 691
1999-02-20 05:13:56 C 08 14 33.13 +18 42 33.6 i 691
2004-04-25 04:25:22 C 16 12 55.54 -24 23 19.6 r 859
2004-04-25 04:45:15 C 16 12 55.06 -24 23 18.5 r 859
2004-04-25 05:06:46 C 16 12 54.56 -24 23 18.5 r 859
2004-04-25 08:33:14 C 16 12 49.50 -24 23 14.4 19.2 c 704
2004-04-25 08:48:27 C 16 12 49.10 -24 23 13.9 19.5 c 704