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
2009-12-09 20:26:32 C 00 20 57.40 +18 50 43.7 w 160
2009-12-10 20:58:42 C 00 21 42.50 +18 46 25.1 18.4 o C20
2009-12-10 21:05:03 C 00 21 42.69 +18 46 23.7 18.4 o C20
2009-12-18 02:15:57 C 00 28 40.98 +18 24 01.2 r 703
2009-12-18 02:21:07 C 00 28 41.19 +18 24 00.2 r 703
2009-12-18 02:26:22 C 00 28 41.44 +18 23 59.6 r 703
2009-12-18 02:31:37 C 00 28 41.70 +18 23 59.6 r 703
2009-12-18 18:40:21 C 00 29 29.16 +18 22 32.7 19.0 o 084
2009-12-21 01:35:07 C 00 32 21.81 +18 18 49.8 18.0 c 704
2009-12-21 01:53:40 C 00 32 22.76 +18 18 49.0 18.7 c 704
2009-12-21 02:12:27 C 00 32 23.74 +18 18 47.7 18.7 c 704
2009-12-21 02:31:03 C 00 32 24.73 +18 18 46.3 18.8 c 704
2010-01-05 19:33:42 C 00 59 15.75 +18 28 00.6 18.6 u C20
2010-01-05 19:35:49 C 00 59 15.96 +18 28 00.8 18.5 u C20
2010-01-07 17:55:36 C 01 03 22.86 +18 32 54.1 18.5 u C20
2010-01-07 17:57:43 C 01 03 23.04 +18 32 54.3 18.4 u C20
2010-01-08 18:01:09 C 01 05 35.26 +18 35 42.5 18.7 u C20
2010-01-08 18:03:16 C 01 05 35.44 +18 35 42.8 18.8 u C20
2010-01-09 17:56:21 C 01 07 49.50 +18 38 41.1 18.4 u C20
2010-01-09 17:58:28 C 01 07 49.69 +18 38 41.3 18.6 u C20
2010-01-10 11:56:35 S 01 09 32.70 +18 41 08.2 L C51
2010-01-11 06:59:52 S 01 11 23.206 +18 43 43.46 L C51
2010-01-11 08:35:14 S 01 11 32.544 +18 43 56.28 L C51
2010-01-14 02:15:18 C 01 18 06.84 +18 53 37.9 r 703
2010-01-14 02:25:08 C 01 18 07.88 +18 53 38.7 r 703
2010-01-14 02:34:59 C 01 18 08.82 +18 53 40.5 r 703
2010-01-14 02:44:50 C 01 18 09.79 +18 53 42.2 r 703
2010-01-18 18:08:43 C 01 30 05.38 +19 12 35.0 18.8 u C20
2010-01-18 18:10:50 C 01 30 05.62 +19 12 35.3 18.6 u C20
2010-01-18 19:30:34 C 01 30 14.64 +19 12 50.9 w 160
2010-01-18 19:33:28 C 01 30 14.92 +19 12 51.1 w 160
2010-01-18 19:36:21 C 01 30 15.17 +19 12 52.2 w 160
2010-01-21 19:26:11 C 01 38 27.41 +19 26 21.8 u 160
2010-01-21 19:30:00 C 01 38 27.83 +19 26 23.1 u 160
2010-01-21 19:33:48 C 01 38 28.31 +19 26 24.8 u 160
2010-02-02 19:16:07 C 02 15 07.48 +20 25 22.4 19.0 u C20
2010-02-06 17:44:32 C 02 28 25.69 +20 44 31.9 19.3 u C20
2010-02-06 17:46:39 C 02 28 26.02 +20 44 33.1 19.4 u C20
2010-02-07 02:03:02 C 02 29 37.81 +20 46 13.8 18.3 c 704
2010-02-07 02:21:54 C 02 29 40.50 +20 46 17.1 19.4 c 704
2010-02-07 02:40:37 C 02 29 43.17 +20 46 21.2 19.5 c 704
2010-02-07 03:17:02 C 02 29 48.26 +20 46 27.8 19.1 c 704
2010-02-08 18:53:31 C 02 35 35.27 +20 54 07.4 u 160
2010-02-08 18:57:18 C 02 35 35.78 +20 54 07.2 u 160
2010-02-08 19:01:12 C 02 35 36.36 +20 54 08.4 u 160
2010-02-14 02:28:33 C 02 54 53.67 +21 16 59.6 r 703
2010-02-14 02:40:09 C 02 54 55.47 +21 17 01.6 r 703
2010-02-14 03:03:20 C 02 54 59.07 +21 17 05.4 r 703
2010-03-04 03:42:39 C 04 07 04.76 +21 54 54.2 r 703
2010-03-04 03:47:57 C 04 07 05.70 +21 54 53.2 r 703