2015 WH2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5869101056 ± 3.34e-08
Semi-major axis (a)2.1374741786 AU ± 1.22e-07
Inclination (i)7.16136426° ± 2.96e-06
Long. of Asc. Node (Ω)334.33617846° ± 3.93e-05
Arg. of Perihelion (ω)166.52965444° ± 3.94e-05
Mean Anomaly (M)42.98629381° ± 9.80e-05
Mean Motion (n)0.3153994710°/day ± 2.71e-08
Perihelion dist (q)0.88296898 AU ± 8.74e-08
Aphelion dist (Q)3.39197937 AU ± 2.07e-07
Orbital Period3.12500931 yr ± 2.68e-07
Physical Parameters
H (abs. magnitude)20.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.248″
Uncertainty0
Orbit TypeApollo
MOID0.062145 AU
Observations Used85
Oppositions3
Arc Total2015-2019
First Observation Used2015-11-20
Last Observation Used2019-03-29
Observations (92)
Date Type RA Dec Mag Band Observatory
2015-12-07 01:32:04 C 00 51 10.53 +29 17 22.6 o 926
2015-12-07 01:40:02 C 00 51 09.87 +29 17 20.0 o 926
2015-12-07 01:48:00 C 00 51 09.24 +29 17 16.7 o 926
2015-12-11 00:04:28 C 00 44 34.80 +28 38 37.4 u H21
2015-12-11 00:12:50 C 00 44 34.18 +28 38 33.9 u H21
2015-12-11 00:21:12 C 00 44 33.63 +28 38 30.5 u H21
2015-12-11 00:30:07 C 00 44 33.00 +28 38 26.7 u H21
2015-12-17 01:42:43 C 00 36 31.17 +27 40 13.9 u H21
2015-12-17 01:51:05 C 00 36 30.73 +27 40 10.7 u H21
2015-12-17 01:58:45 C 00 36 30.34 +27 40 07.7 u H21
2015-12-17 02:13:03 C 00 36 30.11 +27 40 05.6 q I52
2015-12-17 02:29:53 C 00 36 29.19 +27 39 58.4 q I52
2015-12-17 02:38:55 C 00 36 28.80 +27 39 55.8 q I52
2015-12-31 02:41:24 C 00 27 04.43 +25 47 23.9 o 926
2015-12-31 03:05:30 C 00 27 03.99 +25 47 16.7 o 926
2015-12-31 03:30:16 C 00 27 03.58 +25 47 09.2 o 926
2016-01-03 03:46:52 C 00 26 26.12 +25 27 36.8 q I52
2016-01-03 04:01:40 C 00 26 25.96 +25 27 32.9 q I52
2016-01-03 04:18:52 C 00 26 25.77 +25 27 27.5 q I52
2016-02-04 02:03:16 C 00 27 41.50 +20 46 50.5 o 926
2016-02-04 02:15:40 C 00 27 41.12 +20 46 40.8 o 926
2016-02-04 02:28:03 C 00 27 40.85 +20 46 28.3 o 926
2016-02-05 02:14:38 C 00 27 07.12 +20 24 40.9 o 926
2016-02-05 02:24:25 C 00 27 06.83 +20 24 31.0 o 926
2016-02-05 02:34:16 C 00 27 06.47 +20 24 21.3 o 926
2016-03-14 08:21:14 C 19 37 07.58 -51 56 38.2 q I47
2016-03-14 08:31:51 C 19 37 00.55 -51 57 08.5 q I47
2016-03-14 08:40:22 C 19 36 54.94 -51 57 33.6 q I47
2016-03-20 19:11:16 S 18 08 53.506 -55 31 19.06 L C51
2016-03-20 22:19:57 S 18 07 23.556 -55 32 41.10 L C51
2016-03-21 01:28:39 S 18 05 54.240 -55 33 57.42 L C51
2016-04-22 03:13:10 C 15 05 14.31 -47 35 58.4 u 807
2016-04-22 03:18:27 C 15 05 13.66 -47 35 53.5 u 807
2016-04-22 03:23:14 C 15 05 13.07 -47 35 48.9 u 807
2016-04-22 03:28:31 C 15 05 12.43 -47 35 44.1 u 807
2016-06-07 07:37:26 C 14 24 55.064 -32 17 06.06 L F51
2016-06-07 07:51:44 C 14 24 55.237 -32 16 58.81 L F51
2016-06-07 08:06:05 C 14 24 55.430 -32 16 51.57 L F51
2016-06-07 08:20:24 C 14 24 55.603 -32 16 44.08 L F51
2019-03-29 02:47:51 C 04 03 49.63 +23 39 04.3 V V06
2019-03-29 02:55:52 C 04 03 51.11 +23 39 05.8 V V06
2019-03-29 03:03:52 C 04 03 53.07 +23 39 09.0 V V06