2015 OR78

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4086237247 ± 9.50e-08
Semi-major axis (a)2.0984986906 AU ± 2.08e-08
Inclination (i)5.17416325° ± 4.00e-06
Long. of Asc. Node (Ω)84.63669583° ± 4.10e-05
Arg. of Perihelion (ω)222.96945996° ± 5.31e-05
Mean Anomaly (M)144.50211869° ± 2.42e-05
Mean Motion (n)0.3242270332°/day ± 4.81e-09
Perihelion dist (q)1.24100234 AU ± 2.00e-07
Aphelion dist (Q)2.95599504 AU ± 2.01e-07
Orbital Period3.03992629 yr ± 4.51e-08
Physical Parameters
H (abs. magnitude)21.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.191″
Uncertainty0
Orbit TypeAmor
MOID0.233477 AU
Observations Used55
Oppositions4
Arc Total2015-2021
First Observation Used2015-07-26
Last Observation Used2021-07-09
Observations (56)
Date Type RA Dec Mag Band Observatory
2015-07-26 12:09:09 C 22 53 19.267 -25 53 31.58 L F51
2015-07-26 12:23:49 C 22 53 20.546 -25 53 35.44 L F51
2015-07-26 12:38:45 C 22 53 21.825 -25 53 39.37 L F51
2015-07-26 12:53:35 C 22 53 23.107 -25 53 43.12 L F51
2015-07-27 05:39:19 C 22 55 00.03 -25 57 28.7 u 807
2015-07-27 05:47:04 C 22 55 00.66 -25 57 31.1 u 807
2015-07-27 05:54:51 C 22 55 01.32 -25 57 32.9 u 807
2015-07-27 07:16:21 C 22 55 08.35 -25 57 54.0 q W85
2015-07-27 07:24:16 C 22 55 09.02 -25 57 55.9 q W85
2015-07-27 07:30:12 C 22 55 09.53 -25 57 57.5 q W85
2015-07-27 13:29:37 C 22 55 43.187 -25 59 52.53 L F51
2015-07-27 13:44:48 C 22 55 44.453 -25 59 56.47 L F51
2015-07-27 13:59:59 C 22 55 45.729 -25 59 59.97 L F51
2015-08-10 12:17:12 C 23 20 40.405 -27 02 09.15 L F51
2015-08-10 12:31:07 C 23 20 41.013 -27 02 10.73 L F51
2015-08-10 12:45:03 C 23 20 41.629 -27 02 12.31 L F51
2015-08-10 12:58:45 C 23 20 42.244 -27 02 13.88 L F51
2015-08-19 08:56:21 C 23 29 26.26 -27 12 59.7 u 807
2015-08-19 09:00:15 C 23 29 26.31 -27 12 59.4 u 807
2015-08-19 09:03:23 C 23 29 26.38 -27 12 59.1 u 807
2015-08-19 09:06:28 C 23 29 26.46 -27 12 59.3 u 807
2015-08-19 09:10:25 C 23 29 26.56 -27 12 59.1 u 807
2015-08-20 15:01:30 C 23 30 17.39 -27 12 13.7 t 474
2015-08-20 15:04:33 C 23 30 17.44 -27 12 13.4 t 474
2015-08-20 15:07:35 C 23 30 17.50 -27 12 13.3 t 474
2015-08-20 15:10:37 C 23 30 17.57 -27 12 13.2 t 474
2015-08-25 14:13:01 C 23 32 45.54 -27 03 21.9 t 474
2015-08-25 14:18:04 C 23 32 45.63 -27 03 20.7 t 474
2015-08-25 14:40:41 C 23 32 45.74 -27 03 18.0 t 474
2015-08-25 14:45:45 C 23 32 45.82 -27 03 17.5 t 474
2015-09-04 06:43:01 C 23 34 29.20 -26 17 30.5 o 291
2015-09-04 07:26:25 C 23 34 28.89 -26 17 18.5 o 291
2015-10-03 06:06:42 C 23 33 28.67 -20 38 45.5 o 291
2015-10-03 06:15:21 C 23 33 28.69 -20 38 38.8 o 291
2015-10-03 06:24:02 C 23 33 28.73 -20 38 33.9 o 291
2015-10-09 08:02:39 C 23 34 47.836 -19 04 00.65 L F51
2015-10-09 08:17:27 C 23 34 47.922 -19 03 51.07 L F51
2015-10-09 08:32:18 C 23 34 48.044 -19 03 41.20 L F51
2015-10-09 08:47:10 C 23 34 48.146 -19 03 31.53 L F51
2018-08-08 07:46:05 C 19 12 21.571 -39 52 24.89 U F51
2018-08-08 08:00:06 C 19 12 22.883 -39 52 28.57 U F51
2018-08-08 08:14:07 C 19 12 24.191 -39 52 32.33 U F51
2021-05-18 08:50:20 C 16 11 46.80 -14 24 20.4 V V00
2021-05-18 08:58:09 C 16 11 46.50 -14 24 20.5 V V00
2021-05-18 09:05:58 C 16 11 46.20 -14 24 22.0 V V00
2021-05-18 09:13:49 C 16 11 45.92 -14 24 23.1 V V00
2021-06-14 06:38:42 C 15 45 17.186 -17 06 14.98 U F51
2021-06-14 06:54:51 C 15 45 16.518 -17 06 21.59 U F51
2021-06-14 07:11:02 C 15 45 15.837 -17 06 28.30 U F51
2021-06-14 07:27:11 C 15 45 15.140 -17 06 34.92 U F51