447903 (2007 XJ20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5996737226 ± 4.55e-08
Semi-major axis (a)1.6931775170 AU ± 8.94e-09
Inclination (i)10.64825737° ± 7.11e-06
Long. of Asc. Node (Ω)56.54125086° ± 3.09e-05
Arg. of Perihelion (ω)152.01388686° ± 3.23e-05
Mean Anomaly (M)347.82416521° ± 1.46e-05
Mean Motion (n)0.4473614286°/day ± 3.54e-09
Perihelion dist (q)0.67782345 AU ± 7.70e-08
Aphelion dist (Q)2.70853158 AU ± 7.83e-08
Orbital Period2.20319907 yr ± 1.75e-08
Physical Parameters
H (abs. magnitude)18.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.368″
Uncertainty0
Orbit TypeApollo
MOID0.150283 AU
Observations Used173
Oppositions9
Arc Total2005-2022
First Observation Used2005-10-28
Last Observation Used2022-10-31
Observations (177)
Date Type RA Dec Mag Band Observatory
2005-10-28 10:50:06 C 08 43 40.33 +25 14 20.4 r G96
2005-10-28 11:00:03 C 08 43 41.55 +25 14 19.4 r G96
2005-10-28 11:09:44 C 08 43 42.78 +25 14 18.3 r G96
2005-10-28 11:19:26 C 08 43 43.89 +25 14 17.9 r G96
2006-09-29 05:19:21 C 00 19 17.554 -14 30 37.21 n 645
2006-09-29 05:24:08 C 00 19 17.236 -14 30 38.03 n 645
2007-11-14 02:27:15 C 05 33 32.25 +27 18 13.0 o 950
2007-11-14 02:31:14 C 05 33 32.19 +27 18 13.9 o 950
2007-11-14 02:32:15 C 05 33 32.16 +27 18 14.5 o 950
2007-11-14 02:36:15 C 05 33 31.98 +27 18 15.0 o 950
2007-12-13 06:27:42 C 04 36 12.23 +30 08 40.3 20.2 c 704
2007-12-13 06:46:22 C 04 36 10.01 +30 08 43.0 20.3 c 704
2007-12-13 07:05:04 C 04 36 08.01 +30 08 45.3 20.3 c 704
2007-12-13 07:23:46 C 04 36 05.80 +30 08 47.9 20.5 c 704
2007-12-14 00:27:25 C 04 34 11.30 +30 11 06.2 o 204
2007-12-14 01:16:47 C 04 34 05.63 +30 11 12.2 o 204
2007-12-14 06:37:20 C 04 33 30.09 +30 11 57.7 o 673
2007-12-14 06:42:29 C 04 33 29.50 +30 11 58.4 o 673
2007-12-14 06:48:29 C 04 33 28.80 +30 11 58.6 o 673
2007-12-14 06:57:29 C 04 33 27.79 +30 12 00.1 o 673
2007-12-14 08:18:00 C 04 33 18.19 +30 12 07.7 o H55
2007-12-14 08:22:17 C 04 33 17.71 +30 12 08.6 o H55
2007-12-14 08:28:12 C 04 33 17.07 +30 12 09.3 o H55
2007-12-16 03:45:23 C 04 28 24.59 +30 17 19.6 o 696
2007-12-16 04:04:43 C 04 28 22.28 +30 17 22.2 o 696
2007-12-16 09:03:35 C 04 27 47.48 +30 17 53.4 r G96
2007-12-16 09:15:42 C 04 27 46.11 +30 17 54.2 r G96
2007-12-16 09:27:38 C 04 27 44.67 +30 17 56.0 r G96
2007-12-16 09:39:29 C 04 27 43.38 +30 17 56.5 r G96
2007-12-23 05:16:13 C 04 09 09.16 +30 28 17.4 c 711
2007-12-23 05:26:05 C 04 09 08.05 +30 28 16.2 c 711
2007-12-27 05:20:35 C 03 58 34.49 +30 28 17.2 r 448
2007-12-27 05:31:23 C 03 58 33.37 +30 28 17.8 r 448
2007-12-27 05:42:42 C 03 58 32.06 +30 28 17.0 r 448
2007-12-30 04:03:28 C 03 51 08.10 +30 25 53.4 r 448
2007-12-30 04:32:18 C 03 51 05.08 +30 25 51.9 r 448
2007-12-30 05:01:06 C 03 51 02.00 +30 25 50.4 r 448
2008-01-01 06:05:45 C 03 46 05.59 +30 23 08.7 r G96
2008-01-01 06:17:08 C 03 46 04.47 +30 23 07.9 r G96
2008-01-01 06:28:30 C 03 46 03.28 +30 23 07.0 r G96
2008-01-01 06:39:52 C 03 46 02.13 +30 23 06.5 r G96
2008-01-05 03:23:34 C 03 37 19.69 +30 16 24.0 c 711
2008-01-05 03:34:45 C 03 37 18.67 +30 16 22.3 c 711
2008-01-05 03:45:55 C 03 37 17.70 +30 16 21.9 c 711
2008-01-12 03:19:25 C 03 23 56.20 +30 01 33.4 r 448
2008-01-12 03:54:23 C 03 23 53.69 +30 01 30.5 r 448
2008-01-12 04:29:21 C 03 23 51.14 +30 01 26.3 r 448
2008-01-20 00:50:52 C 03 12 56.77 +29 46 46.6 o H55
2008-01-20 01:04:42 C 03 12 56.13 +29 46 45.5 o H55
2008-01-20 01:21:01 C 03 12 55.29 +29 46 44.8 o H55