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
2001-04-27 00:08:49 C 10 29 58.92 -05 32 05.7 808
2001-04-27 01:08:40 C 10 30 02.08 -05 32 11.4 808
2001-05-10 08:37:31 C 10 48 34.55 -06 10 04.0 c 608
2001-05-10 08:52:29 C 10 48 35.42 -06 10 05.1 c 608
2001-05-10 09:09:20 C 10 48 36.46 -06 10 08.4 c 608
2009-09-20 22:46:06 C 01 22 15.37 +24 11 40.9 w J28
2009-09-20 23:01:13 C 01 22 14.96 +24 11 44.2 w J28
2009-09-25 07:30:46 C 01 19 05.37 +24 31 58.2 r 703
2009-09-25 07:43:38 C 01 19 04.90 +24 32 00.5 r 703
2009-09-25 07:56:35 C 01 19 04.40 +24 32 03.2 r 703
2009-09-25 08:09:31 C 01 19 03.86 +24 32 04.6 r 703
2009-09-26 09:31:24 C 01 18 11.568 +24 36 17.83 645
2009-09-26 09:32:36 C 01 18 11.524 +24 36 18.02 645
2009-09-26 09:34:59 C 01 18 11.430 +24 36 18.46 645
2009-09-26 09:36:11 C 01 18 11.389 +24 36 18.58 645
2009-09-27 06:47:09 C 01 17 26.28 +24 39 37.2 19.3 c 704
2009-09-27 07:05:28 C 01 17 25.61 +24 39 41.3 19.4 c 704
2009-09-27 07:22:59 C 01 17 24.97 +24 39 43.0 19.3 c 704
2009-09-27 07:40:35 C 01 17 24.31 +24 39 46.5 19.5 c 704
2009-09-27 07:58:10 C 01 17 23.62 +24 39 48.6 19.8 c 704
2009-09-27 21:07:37 C 01 16 54.80 +24 41 42.6 r A13
2009-09-27 21:49:38 C 01 16 53.19 +24 41 48.8 r A13
2009-10-09 10:30:55 C 01 04 26.83 +25 02 30.3 r 703
2009-10-09 10:42:16 C 01 04 26.22 +25 02 28.9 r 703
2009-10-09 10:53:31 C 01 04 25.57 +25 02 29.8 r 703
2009-10-09 11:04:47 C 01 04 25.10 +25 02 29.0 r 703
2009-10-11 23:14:00 C 01 01 14.54 +25 01 16.6 17.9 o C20
2009-10-12 22:30:16 C 00 59 58.82 +25 00 14.0 18.0 o C20
2009-10-12 22:34:22 C 00 59 58.59 +25 00 13.7 18.0 o C20
2009-10-14 00:16:05 C 00 58 33.81 +24 58 40.7 w 160
2009-10-14 00:20:07 C 00 58 33.60 +24 58 40.7 w 160
2009-10-14 00:22:53 C 00 58 33.43 +24 58 40.7 w 160
2009-10-15 01:12:26 C 00 57 10.18 +24 56 46.5 18.0 o C20
2009-10-15 01:16:33 C 00 57 09.95 +24 56 46.1 17.9 o C20
2009-10-20 04:37:58 C 00 50 08.91 +24 41 56.7 r 703
2009-10-20 04:48:19 C 00 50 08.26 +24 41 55.2 r 703
2009-10-20 04:58:52 C 00 50 07.69 +24 41 53.8 r 703
2009-10-20 05:09:23 C 00 50 07.04 +24 41 52.2 r 703
2009-10-24 23:01:01 C 00 43 35.34 +24 20 13.0 w 160
2009-10-24 23:04:43 C 00 43 35.12 +24 20 12.3 w 160
2009-10-24 23:08:45 C 00 43 34.88 +24 20 11.4 w 160
2009-10-25 22:21:58 C 00 42 16.43 +24 14 55.0 r 130
2009-10-25 22:23:25 C 00 42 16.30 +24 14 54.6 r 130
2009-10-25 22:24:52 C 00 42 16.24 +24 14 54.5 r 130
2009-10-25 22:26:18 C 00 42 16.15 +24 14 54.3 r 130
2009-10-25 22:49:21 C 00 42 14.76 +24 14 48.7 w 160
2009-10-25 22:53:06 C 00 42 14.55 +24 14 48.0 w 160
2009-10-25 22:57:06 C 00 42 14.31 +24 14 46.9 w 160
2009-10-26 05:27:12 C 00 41 52.65 +24 13 17.6 r 703
2009-10-26 05:39:32 C 00 41 51.93 +24 13 14.8 r 703