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
2008-01-23 02:37:34 C 03 09 51.50 +29 42 54.7 o H55
2008-01-23 02:46:57 C 03 09 51.17 +29 42 53.4 o H55
2008-01-23 02:56:18 C 03 09 50.78 +29 42 54.0 o H55
2008-02-02 02:41:52 C 03 04 12.35 +29 41 12.6 r 448
2008-02-02 03:25:45 C 03 04 11.75 +29 41 13.7 r 448
2008-02-02 04:10:02 C 03 04 11.20 +29 41 14.4 r 448
2008-02-04 01:37:17 C 03 03 50.43 +29 43 04.7 c 711
2008-02-04 01:51:17 C 03 03 50.30 +29 43 05.0 c 711
2008-02-04 02:05:17 C 03 03 50.16 +29 43 05.8 c 711
2008-03-04 03:34:42 C 03 20 47.83 +31 31 38.7 r G96
2008-03-04 03:42:40 C 03 20 48.19 +31 31 40.4 r G96
2008-03-04 03:50:45 C 03 20 48.55 +31 31 42.5 r G96
2008-03-04 03:58:47 C 03 20 48.91 +31 31 43.6 r G96
2008-06-24 12:11:49 C 01 10 25.00 -16 20 45.2 r F85
2008-06-24 13:34:20 C 01 10 22.73 -16 22 00.4 r F85
2008-06-28 17:29:56 C 01 07 45.91 -17 50 26.9 r E12
2008-06-28 17:42:25 C 01 07 45.51 -17 50 38.7 r E12
2008-06-28 17:55:20 C 01 07 45.12 -17 50 50.3 r E12
2008-06-28 18:07:57 C 01 07 44.72 -17 51 01.2 r E12
2008-06-29 17:41:48 C 01 07 04.22 -18 11 47.6 r E12
2008-06-29 17:54:17 C 01 07 03.72 -18 11 58.7 r E12
2008-06-29 18:07:06 C 01 07 03.32 -18 12 09.2 r E12
2008-06-29 18:19:42 C 01 07 02.89 -18 12 19.8 r E12
2008-08-04 14:19:53 C 00 08 41.25 -30 47 38.9 r E17
2008-08-04 14:25:11 C 00 08 40.44 -30 47 43.2 r E17
2008-08-04 14:41:12 C 00 08 38.58 -30 47 54.8 r E17
2009-11-08 04:57:35 C 03 37 45.86 +17 54 21.5 o 691
2009-11-08 05:22:19 C 03 37 44.27 +17 54 19.7 o 691
2009-11-08 05:47:04 C 03 37 42.56 +17 54 17.3 o 691
2009-11-11 09:08:06 C 03 32 32.42 +17 46 31.2 r G96
2009-11-11 09:18:20 C 03 32 31.70 +17 46 30.0 r G96
2009-11-11 09:28:34 C 03 32 30.94 +17 46 28.1 r G96
2009-11-11 09:39:30 C 03 32 30.15 +17 46 27.3 r G96
2011-10-24 06:09:06 C 02 47 10.95 +10 25 08.2 o H21
2011-10-24 06:33:51 C 02 47 09.45 +10 25 03.7 o H21
2011-10-24 06:58:18 C 02 47 07.94 +10 24 59.4 o H21
2015-09-24 07:50:24 C 01 30 47.68 -03 27 11.2 u H21
2015-09-24 08:09:10 C 01 30 46.65 -03 27 16.8 u H21
2015-09-24 08:25:02 C 01 30 45.77 -03 27 22.1 u H21
2015-10-12 05:45:52 C 01 05 33.62 -05 28 02.2 u H21
2015-10-12 05:58:53 C 01 05 32.84 -05 28 05.3 u H21
2015-10-12 06:16:18 C 01 05 31.79 -05 28 08.9 u H21
2016-12-04 10:50:09 C 10 26 19.49 +25 49 02.3 o 691
2016-12-04 10:58:54 C 10 26 21.22 +25 49 00.7 o 691
2016-12-04 11:07:34 C 10 26 22.86 +25 48 59.4 o 691
2016-12-06 10:20:33 C 10 36 04.00 +25 39 32.3 o 691
2016-12-06 10:27:08 C 10 36 05.39 +25 39 30.9 o 691
2016-12-06 10:33:46 C 10 36 06.76 +25 39 29.5 o 691
2016-12-27 13:31:47 S 12 56 08.678 +19 51 51.59 L C51
2016-12-27 16:40:18 S 12 57 13.606 +19 47 28.61 L C51