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
2007-06-18 07:17:02 C 16 27 05.76 +23 16 50.3 r 703
2007-06-18 07:29:23 C 16 27 03.45 +23 17 08.2 r 703
2007-06-18 07:41:45 C 16 27 01.00 +23 17 25.0 r 703
2007-06-18 07:54:07 C 16 26 58.77 +23 17 42.2 r 703
2007-06-18 08:38:49 C 16 26 50.35 +23 18 44.3 r 703
2007-06-18 08:40:56 C 16 26 50.02 +23 18 46.7 r 703
2007-06-18 08:43:03 C 16 26 49.45 +23 18 50.0 r 703
2007-06-18 08:45:12 C 16 26 49.20 +23 18 53.7 r 703
2007-06-18 21:59:36 C 16 24 31.30 +23 37 29.1 o 461
2007-06-18 22:05:30 C 16 24 30.24 +23 37 36.8 o 461
2007-06-18 22:07:02 C 16 24 30.45 +23 37 38.5 o 198
2007-06-18 22:08:34 C 16 24 30.16 +23 37 40.7 o 198
2007-06-18 22:09:33 C 16 24 29.47 +23 37 42.2 o 461
2007-06-18 22:10:05 C 16 24 29.88 +23 37 42.8 o 198
2007-06-18 22:11:36 C 16 24 29.59 +23 37 45.0 o 198
2007-06-18 22:13:07 C 16 24 29.30 +23 37 47.2 o 198
2007-06-18 22:14:38 C 16 24 29.01 +23 37 49.3 o 198
2007-06-18 22:38:18 C 16 24 25.02 +23 38 19.6 r J95
2007-06-18 22:41:36 C 16 24 24.39 +23 38 24.2 r J95
2007-06-18 22:44:54 C 16 24 23.77 +23 38 29.6 r J95
2007-06-19 05:15:50 C 16 23 15.69 +23 47 50.6 o 673
2007-06-19 05:25:09 C 16 23 13.87 +23 48 03.9 o 673
2007-06-19 05:30:20 C 16 23 12.81 +23 48 11.8 o 673
2007-06-19 05:39:09 C 16 23 11.19 +23 48 23.4 o 673
2007-06-20 03:35:43 C 16 19 15.55 +24 18 28.8 20.0 o H55
2007-06-20 03:43:55 C 16 19 13.94 +24 18 40.0 20.0 o H55
2007-06-20 03:52:02 C 16 19 12.37 +24 18 51.1 20.1 o H55
2007-06-21 08:13:41 C 16 13 59.62 +24 56 29.0 r 649
2007-06-21 08:17:06 C 16 13 59.15 +24 56 33.3 r 649
2007-06-21 08:20:30 C 16 13 58.30 +24 56 37.7 r 649
2007-06-21 08:23:56 C 16 13 57.81 +24 56 41.2 r 649
2007-06-21 08:27:20 C 16 13 57.07 +24 56 45.9 r 649
2007-06-21 08:31:07 C 16 13 56.42 +24 56 49.9 r 649
2007-06-27 22:22:14 C 15 43 45.57 +27 59 35.2 r J95
2007-06-27 22:30:26 C 15 43 43.89 +27 59 43.3 r J95
2007-06-27 22:38:40 C 15 43 42.17 +27 59 51.2 r J95
2007-07-03 22:57:55 C 15 14 25.39 +30 05 15.4 r J95
2007-07-03 23:05:47 C 15 14 23.65 +30 05 21.2 r J95
2007-07-03 23:13:40 C 15 14 21.96 +30 05 26.4 r J95
2007-07-14 02:25:06 C 14 22 19.77 +32 12 39.7 o H55
2007-07-14 02:30:07 C 14 22 18.58 +32 12 41.9 o H55
2007-07-14 02:35:08 C 14 22 17.37 +32 12 42.8 o H55
2008-04-01 11:47:15 C 16 25 33.71 -11 26 24.4 o 291
2008-04-01 11:59:53 C 16 25 33.82 -11 26 14.4 o 291
2008-04-01 12:12:24 C 16 25 33.89 -11 26 03.7 o 291
2008-04-26 09:16:57 C 16 08 58.02 -01 55 57.5 o 291
2008-04-26 09:22:35 C 16 08 57.67 -01 55 51.2 o 291
2008-04-26 09:28:12 C 16 08 57.08 -01 55 43.3 o 291
2008-04-26 10:45:59 C 16 08 50.95 -01 54 11.6 o 691
2008-04-27 06:30:36 C 16 07 24.50 -01 30 37.5 o 291