20790 (2000 SE45)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5561890145 ± 1.63e-08
Semi-major axis (a)2.7531425955 AU ± 1.11e-08
Inclination (i)8.29655324° ± 2.33e-06
Long. of Asc. Node (Ω)302.84348107° ± 1.11e-05
Arg. of Perihelion (ω)168.98257421° ± 1.30e-05
Mean Anomaly (M)166.47497177° ± 9.57e-06
Mean Motion (n)0.2157591476°/day ± 1.30e-09
Perihelion dist (q)1.22187493 AU ± 4.51e-08
Aphelion dist (Q)4.28441026 AU ± 4.80e-08
Orbital Period4.56817843 yr ± 2.76e-08
Physical Parameters
H (abs. magnitude)16.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.378″
Uncertainty0
Orbit TypeAmor
MOID0.239512 AU
Observations Used901
Oppositions25
Arc Total1992-2024
First Observation Used1992-03-09
Last Observation Used2024-05-07
Observations (942)
Date Type RA Dec Mag Band Observatory
2009-10-26 05:51:58 C 00 41 51.25 +24 13 11.8 r 703
2009-10-26 06:04:19 C 00 41 50.46 +24 13 09.0 r 703
2009-10-26 20:32:55 C 00 41 02.23 +24 09 38.2 w 160
2009-10-26 20:36:23 C 00 41 02.01 +24 09 37.4 w 160
2009-10-26 20:39:40 C 00 41 01.81 +24 09 36.6 w 160
2009-10-28 01:14:37 C 00 39 26.40 +24 02 24.5 17.7 o C20
2009-10-28 01:20:58 C 00 39 26.05 +24 02 22.7 17.6 o C20
2009-10-29 21:40:41 C 00 37 02.63 +23 50 33.2 18.4 o 084
2009-11-03 22:08:28 C 00 30 56.80 +23 14 31.4 w 160
2009-11-03 22:12:48 C 00 30 56.58 +23 14 28.6 w 160
2009-11-03 22:16:28 C 00 30 56.41 +23 14 27.2 w 160
2009-11-06 07:02:29 C 00 28 19.95 +22 55 52.7 r 703
2009-11-06 07:13:23 C 00 28 19.45 +22 55 48.7 r 703
2009-11-06 07:24:20 C 00 28 18.87 +22 55 45.5 r 703
2009-11-06 07:35:15 C 00 28 18.40 +22 55 41.8 r 703
2009-11-18 23:27:08 C 00 18 24.96 +21 09 05.1 18.4 o C20
2009-11-18 23:31:22 C 00 18 24.92 +21 09 02.9 18.5 o C20
2009-11-18 23:33:30 C 00 18 24.81 +21 09 02.3 18.0 o C20
2009-11-19 04:26:43 C 00 18 19.69 +21 07 25.7 r 703
2009-11-19 04:36:18 C 00 18 19.47 +21 07 22.4 r 703
2009-11-19 04:45:46 C 00 18 19.26 +21 07 19.2 r 703
2009-11-19 04:55:27 C 00 18 19.11 +21 07 15.0 r 703
2009-11-19 20:49:30 C 00 18 01.73 +21 01 44.1 w 160
2009-11-19 20:53:22 C 00 18 01.67 +21 01 42.8 w 160
2009-11-19 20:57:01 C 00 18 01.60 +21 01 41.7 w 160
2009-11-21 02:58:07 C 00 17 33.11 +20 51 29.6 18.0 c 704
2009-11-21 03:15:50 C 00 17 32.78 +20 51 23.6 18.5 c 704
2009-11-21 03:33:27 C 00 17 32.45 +20 51 17.4 18.6 c 704
2009-11-21 03:51:03 C 00 17 32.18 +20 51 11.8 18.8 c 704
2009-11-21 04:08:39 C 00 17 31.85 +20 51 05.5 18.1 c 704
2009-11-23 22:45:19 C 00 16 46.70 +20 28 58.0 19.1 o C20
2009-11-24 22:34:28 C 00 16 37.08 +20 21 21.9 18.2 o C20
2009-11-24 22:40:49 C 00 16 37.03 +20 21 19.9 18.0 o C20
2009-11-26 22:30:29 C 00 16 27.86 +20 06 32.4 18.5 o C20
2009-11-26 22:36:50 C 00 16 27.91 +20 06 30.3 18.4 o C20
2009-12-01 21:15:32 C 00 17 04.12 +19 33 04.5 18.3 o C20
2009-12-01 21:21:54 C 00 17 04.19 +19 33 02.5 18.7 o C20
2009-12-03 22:03:57 C 00 17 43.17 +19 20 48.7 18.8 o C20
2009-12-03 22:10:18 C 00 17 43.27 +19 20 47.1 18.8 o C20
2009-12-05 19:50:49 C 00 18 33.03 +19 10 12.9 w 160
2009-12-05 19:54:45 C 00 18 33.09 +19 10 12.5 w 160
2009-12-05 19:58:41 C 00 18 33.16 +19 10 11.8 w 160
2009-12-08 21:28:58 C 00 20 17.90 +18 54 57.8 18.7 o C20
2009-12-08 21:31:05 C 00 20 17.93 +18 54 57.7 18.7 o C20
2009-12-09 17:28:14 C 00 20 52.56 +18 51 16.1 r 106
2009-12-09 17:41:03 C 00 20 52.89 +18 51 13.4 r 106
2009-12-09 17:53:51 C 00 20 53.22 +18 51 11.4 r 106
2009-12-09 18:06:40 C 00 20 53.58 +18 51 08.9 r 106
2009-12-09 20:19:00 C 00 20 57.19 +18 50 45.3 w 160
2009-12-09 20:22:41 C 00 20 57.30 +18 50 44.3 w 160