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
2025-05-03 09:48:28 C 13 15 51.137 -10 24 38.73 X F52
2025-05-03 10:03:18 C 13 15 50.686 -10 24 35.77 X F52
2025-05-03 10:18:09 C 13 15 50.221 -10 24 32.89 X F52
2025-05-23 05:41:16 C 13 03 48.236 -09 00 06.48 V G96
2025-05-23 05:49:29 C 13 03 48.089 -09 00 05.29 V G96
2025-05-23 05:57:43 C 13 03 47.930 -09 00 03.71 V G96
2025-05-23 06:05:55 C 13 03 47.743 -09 00 02.84 V G96
2025-06-18 06:57:22 C 12 57 10.188 -08 00 03.75 X F51
2025-06-18 07:13:48 C 12 57 10.159 -08 00 03.23 X F51
2025-06-18 07:30:16 C 12 57 10.127 -08 00 02.52 X F51
2025-06-18 07:46:39 C 12 57 10.105 -08 00 01.84 X F51