2011 OR15

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4430026746 ± 3.61e-08
Semi-major axis (a)1.6555630518 AU ± 3.74e-08
Inclination (i)5.01277079° ± 6.56e-06
Long. of Asc. Node (Ω)146.07760213° ± 2.16e-05
Arg. of Perihelion (ω)251.11904600° ± 2.28e-05
Mean Anomaly (M)224.74248818° ± 8.27e-05
Mean Motion (n)0.4626938084°/day ± 1.57e-08
Perihelion dist (q)0.92214419 AU ± 6.33e-08
Aphelion dist (Q)2.38898191 AU ± 8.05e-08
Orbital Period2.13019121 yr ± 7.22e-08
Physical Parameters
H (abs. magnitude)21.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.238″
Uncertainty0
Orbit TypeApollo
MOID0.038753 AU
Observations Used77
Oppositions2
Arc Total2011-2014
First Observation Used2011-07-26
Last Observation Used2014-02-22
Observations (78)
Date Type RA Dec Mag Band Observatory
2011-08-30 18:14:19 C 03 58 27.09 +09 28 02.9 r E12
2011-08-30 18:39:15 C 03 58 38.70 +09 28 07.7 r E12
2011-09-04 11:12:02 C 04 50 59.29 +09 33 47.5 o 291
2011-09-04 11:17:28 C 04 51 01.63 +09 33 47.8 o 291
2011-09-04 11:22:55 C 04 51 04.03 +09 33 47.2 o 291
2011-09-18 11:51:20 C 06 52 25.56 +07 58 57.7 o 291
2011-09-18 11:57:11 C 06 52 27.23 +07 58 54.9 o 291
2011-09-18 12:02:39 C 06 52 28.70 +07 58 53.3 o 291
2011-12-24 10:05:06 C 11 05 57.48 -00 17 12.5 o H21
2011-12-24 10:19:59 C 11 05 57.70 -00 17 09.8 o H21
2011-12-24 10:34:16 C 11 05 57.92 -00 17 07.9 o H21
2012-01-03 09:25:58 C 11 07 18.14 +00 39 03.0 o H21
2012-01-03 09:38:58 C 11 07 18.00 +00 39 07.6 o H21
2012-01-03 09:53:44 C 11 07 17.85 +00 39 12.6 o H21
2012-01-18 09:17:47 C 10 57 52.75 +03 26 26.9 o 695
2012-01-18 09:24:21 C 10 57 52.46 +03 26 30.7 o 695
2012-01-18 09:30:12 C 10 57 52.16 +03 26 34.6 o 695
2012-01-19 11:28:18 C 10 56 39.834 +03 42 28.88 L F51
2012-01-19 11:48:27 C 10 56 38.780 +03 42 41.38 L F51
2012-01-19 12:08:43 C 10 56 37.728 +03 42 54.04 L F51
2012-01-19 12:28:57 C 10 56 36.666 +03 43 06.50 L F51
2013-05-08 13:33:53 C 18 58 42.730 -15 19 31.59 t 568
2013-05-08 13:49:23 C 18 58 42.888 -15 19 29.40 t 568
2013-06-07 11:15:22 C 18 49 47.171 -13 59 52.59 t 568
2013-06-07 11:25:55 C 18 49 46.714 -13 59 52.02 t 568
2014-02-22 01:10:56 C 05 16 17.03 +19 24 00.8 u H21
2014-02-22 01:34:56 C 05 16 20.79 +19 24 12.8 u H21
2014-02-22 01:57:08 C 05 16 24.24 +19 24 26.8 u H21