278381 (2007 MR)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2587532971 ± 4.24e-07
Semi-major axis (a)1.0229398019 AU ± 3.85e-08
Inclination (i)5.82791718° ± 7.08e-06
Long. of Asc. Node (Ω)172.74933070° ± 4.23e-05
Arg. of Perihelion (ω)217.67664674° ± 4.60e-05
Mean Anomaly (M)191.86727897° ± 3.43e-04
Mean Motion (n)0.9526583110°/day ± 5.38e-08
Perihelion dist (q)0.75825076 AU ± 4.35e-07
Aphelion dist (Q)1.28762885 AU ± 4.36e-07
Orbital Period1.03460629 yr ± 5.84e-08
Physical Parameters
H (abs. magnitude)21.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.478″
Uncertainty0
Orbit TypeApollo
MOID0.069235 AU
Observations Used87
Oppositions1
Arc Total2007-2012
First Observation Used2007-06-18
Last Observation Used2012-02-24
Observations (88)
Date Type RA Dec Mag Band Observatory
2008-04-27 06:36:28 C 16 07 24.02 -01 30 30.2 o 291
2008-04-27 06:42:20 C 16 07 23.51 -01 30 22.9 o 291
2008-05-02 07:38:16 C 15 57 04.71 +00 57 09.8 o 691
2008-05-02 08:41:17 C 15 56 58.28 +00 58 27.0 o 691
2008-05-04 08:21:55 C 15 52 18.41 +01 57 15.9 o H55
2008-05-04 08:30:43 C 15 52 17.46 +01 57 26.9 o H55
2008-05-04 08:40:43 C 15 52 16.44 +01 57 39.4 o H55
2008-05-05 07:25:52 C 15 49 57.79 +02 25 43.2 o 691
2008-05-05 07:51:18 C 15 49 54.97 +02 26 14.5 o 691
2008-05-05 08:13:04 C 15 49 52.53 +02 26 41.4 o 691
2009-03-19 09:56:32 C 15 16 01.63 -11 26 43.2 r G96
2009-03-19 10:06:28 C 15 16 01.38 -11 26 35.7 r G96
2009-03-19 10:16:22 C 15 16 01.20 -11 26 28.1 r G96
2009-03-19 10:26:17 C 15 16 01.02 -11 26 20.3 r G96
2009-03-24 10:17:11 C 15 13 15.38 -09 45 59.0 o 691
2009-03-24 10:42:38 C 15 13 14.36 -09 45 37.0 o 691
2009-03-24 11:08:07 C 15 13 13.47 -09 45 12.2 o 691
2010-03-13 08:46:01 C 13 55 03.56 -08 13 34.9 o 691
2010-03-13 09:11:26 C 13 55 01.43 -08 13 03.8 o 691
2010-03-13 09:36:50 C 13 54 59.35 -08 12 32.2 o 691
2010-04-17 10:28:22 C 12 28 34.764 +09 51 17.38 L F51
2010-04-17 10:41:40 C 12 28 33.546 +09 51 28.17 L F51
2011-03-05 01:30:47 C 11 54 03.45 -03 46 47.6 u B67
2011-03-05 01:37:53 C 11 54 02.45 -03 46 33.0 u B67
2011-03-05 01:44:54 C 11 54 01.46 -03 46 18.0 u B67
2011-03-06 02:25:03 C 11 50 45.43 -02 54 26.4 v 204
2011-03-06 02:32:46 C 11 50 44.35 -02 54 10.1 v 204
2011-03-06 02:40:12 C 11 50 43.31 -02 53 54.5 v 204
2011-03-10 04:53:53 C 11 38 06.88 +00 27 13.4 o 691
2011-03-10 05:19:18 C 11 38 03.51 +00 28 03.7 o 691
2011-03-10 05:44:46 C 11 38 00.07 +00 28 54.2 o 691
2012-02-23 04:38:54 C 07 35 28.57 +02 17 20.5 o G56
2012-02-23 04:49:46 C 07 35 29.75 +02 17 54.2 o G56
2012-02-23 05:01:23 C 07 35 31.03 +02 18 26.3 o G56
2012-02-23 05:11:01 C 07 35 32.00 +02 18 54.8 o G56
2012-02-23 05:20:59 C 07 35 33.06 +02 19 23.8 o G56
2012-02-24 20:27:00 C 07 40 02.27 +04 06 33.7 u 157
2012-02-24 20:37:27 C 07 40 03.28 +04 07 00.8 u 157