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
2004-08-10 10:32:14 C 15 17 50.49 -19 31 46.0 r E12
2004-08-10 10:44:32 C 15 17 51.06 -19 31 47.3 r E12
2004-09-16 09:32:57 C 16 16 39.69 -21 30 30.4 r E12
2004-09-16 09:46:39 C 16 16 40.86 -21 30 32.2 r E12
2004-09-16 10:00:22 C 16 16 42.08 -21 30 33.5 r E12
2004-09-16 10:14:08 C 16 16 43.36 -21 30 36.1 r E12
2004-12-21 01:30:58 C 21 36 17.35 -12 10 19.6 d 703
2004-12-21 01:38:09 C 21 36 18.48 -12 10 13.6 d 703
2004-12-21 01:45:21 C 21 36 19.59 -12 10 07.9 d 703
2004-12-21 01:52:35 C 21 36 20.83 -12 10 02.3 d 703
2004-12-21 15:07:20 C 21 38 27.12 -11 59 12.6 o 084
2005-02-05 16:56:09 C 00 20 50.64 +04 19 43.6 o 084
2005-09-30 11:36:36 C 08 22 30.57 +19 26 39.4 r G96
2005-09-30 11:41:21 C 08 22 30.75 +19 26 39.1 r G96
2005-09-30 11:46:09 C 08 22 30.90 +19 26 38.3 r G96
2005-09-30 11:50:56 C 08 22 31.08 +19 26 38.2 r G96
2005-10-29 11:38:04 C 08 40 19.52 +18 12 28.7 r G96
2005-10-29 11:47:05 C 08 40 19.70 +18 12 28.3 r G96
2005-10-29 11:56:04 C 08 40 19.77 +18 12 27.8 r G96
2005-10-29 12:05:23 C 08 40 19.92 +18 12 27.2 r G96
2005-12-25 09:53:45 C 08 28 15.63 +18 31 33.8 r G96
2005-12-25 10:03:06 C 08 28 15.34 +18 31 34.7 r G96
2005-12-25 10:12:27 C 08 28 15.02 +18 31 35.5 r G96
2006-01-04 09:23:14 C 08 20 05.72 +18 55 17.2 c 691
2006-01-04 09:48:22 C 08 20 04.81 +18 55 19.6 c 691
2006-01-04 10:13:24 C 08 20 03.85 +18 55 22.5 c 691
2006-01-04 10:20:11 C 08 20 03.62 +18 55 22.8 r G96
2006-01-04 10:30:50 C 08 20 03.19 +18 55 23.9 r G96
2006-01-04 10:41:26 C 08 20 02.83 +18 55 24.9 r G96
2006-01-04 10:52:14 C 08 20 02.43 +18 55 26.2 r G96
2006-01-08 08:47:22 C 08 16 35.13 +19 05 16.4 c 691
2006-01-08 09:12:19 C 08 16 34.19 +19 05 18.9 c 691
2006-01-08 09:37:16 C 08 16 33.23 +19 05 21.7 c 691
2006-01-22 07:15:23 C 08 03 55.69 +19 39 44.3 r G96
2006-01-22 07:26:22 C 08 03 55.26 +19 39 45.2 r G96
2006-01-22 07:37:23 C 08 03 54.82 +19 39 46.4 r G96
2006-01-22 07:48:23 C 08 03 54.39 +19 39 47.4 r G96
2006-02-02 06:07:33 C 07 54 30.36 +20 03 37.1 c 711
2006-02-02 06:26:06 C 07 54 30.03 +20 03 39.7 c 711
2006-02-02 06:44:49 C 07 54 29.52 +20 03 41.0 c 711
2006-02-20 04:42:25 C 07 42 20.12 +20 32 03.1 r G96
2006-02-20 04:54:35 C 07 42 19.83 +20 32 03.6 r G96
2006-02-20 05:06:57 C 07 42 19.51 +20 32 04.4 r G96
2006-02-20 05:18:53 C 07 42 19.33 +20 32 05.2 r G96
2010-03-19 05:41:00 C 12 41 09.46 -07 52 10.9 o 691
2010-03-19 06:06:27 C 12 41 08.75 -07 52 07.8 o 691
2010-03-19 06:28:28 C 12 41 08.28 -07 52 05.3 o 691
2010-04-10 06:35:21 C 12 27 21.20 -06 26 09.9 r G96
2010-04-10 06:43:49 C 12 27 20.98 -06 26 08.6 r G96
2010-04-10 06:52:23 C 12 27 20.73 -06 26 07.0 r G96