842527 (2015 WA1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2960095003 ± 3.23e-08
Semi-major axis (a)1.1866468666 AU ± 2.10e-09
Inclination (i)10.89779845° ± 3.62e-06
Long. of Asc. Node (Ω)197.54439571° ± 1.93e-05
Arg. of Perihelion (ω)339.59825614° ± 2.10e-05
Mean Anomaly (M)177.49123416° ± 7.62e-06
Mean Motion (n)0.7624827642°/day ± 2.02e-09
Perihelion dist (q)0.83538812 AU ± 3.84e-08
Aphelion dist (Q)1.53790561 AU ± 3.85e-08
Orbital Period1.29265385 yr ± 3.43e-09
Physical Parameters
H (abs. magnitude)21.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.277″
Uncertainty0
Orbit TypeApollo
MOID0.134181 AU
Observations Used131
Oppositions2
Arc Total2015-2025
First Observation Used2015-11-15
Last Observation Used2025-07-20
Observations (137)
Date Type RA Dec Mag Band Observatory
2015-11-15 08:36:04 C 03 48 32.65 -06 00 15.1 t F51
2015-11-15 08:54:17 C 03 48 31.03 -06 00 47.4 t F51
2015-11-15 09:12:28 C 03 48 29.41 -06 01 19.6 t F51
2015-11-15 09:30:36 C 03 48 27.79 -06 01 51.8 t F51
2015-11-17 09:35:59 C 03 44 26.153 -07 26 22.40 L F51
2015-11-17 09:52:47 C 03 44 24.591 -07 26 51.93 L F51
2015-11-17 10:26:28 C 03 44 21.461 -07 27 51.02 L F51
2015-11-18 05:57:32 C 03 42 40.57 -08 02 06.0 o 291
2015-11-18 05:59:59 C 03 42 40.36 -08 02 10.2 o 291
2015-11-18 06:02:26 C 03 42 40.13 -08 02 14.4 o 291
2015-11-18 07:55:29 C 03 42 29.28 -08 05 31.8 o 711
2015-11-18 07:59:43 C 03 42 28.87 -08 05 39.2 o 711
2015-11-18 08:04:09 C 03 42 28.44 -08 05 46.7 o 711
2015-11-18 19:09:25 C 03 41 31.68 -08 24 39.2 q K91
2015-11-18 19:16:10 C 03 41 31.04 -08 24 51.0 q K91
2015-11-18 19:24:02 C 03 41 30.31 -08 25 04.8 q K91
2015-11-19 05:49:11 C 03 40 34.29 -08 43 42.1 o 291
2015-11-19 05:51:36 C 03 40 34.04 -08 43 46.0 o 291
2015-11-19 05:54:02 C 03 40 33.82 -08 43 50.8 o 291
2015-11-19 06:42:16 C 03 40 28.91 -08 45 14.8 o 711
2015-11-19 06:49:14 C 03 40 28.25 -08 45 27.4 o 711
2015-11-19 06:55:06 C 03 40 27.69 -08 45 37.4 o 711
2015-11-20 07:24:00 C 03 38 15.55 -09 28 01.2 o 291
2015-11-20 07:26:45 C 03 38 15.29 -09 28 05.8 o 291
2015-11-20 07:29:32 C 03 38 15.00 -09 28 10.6 o 291
2015-11-22 03:20:02 C 03 34 13.44 -10 42 42.1 u 807
2015-11-22 03:26:27 C 03 34 12.81 -10 42 53.4 u 807
2015-11-22 03:33:02 C 03 34 12.14 -10 43 04.1 u 807
2015-11-29 04:11:38 C 03 18 00.83 -15 13 18.3 u 807
2015-11-29 04:18:02 C 03 18 00.16 -15 13 27.6 u 807
2015-11-29 04:24:40 C 03 17 59.46 -15 13 37.3 u 807
2015-11-29 06:33:22 C 03 17 47.14 -15 17 17.3 o 926
2015-11-29 06:47:53 C 03 17 45.60 -15 17 38.3 o 926
2015-11-29 07:02:39 C 03 17 44.06 -15 18 00.0 o 926
2015-11-30 06:38:02 C 03 15 26.83 -15 52 38.0 o 695
2015-11-30 06:43:19 C 03 15 26.27 -15 52 45.9 o 695
2015-11-30 06:48:36 C 03 15 25.70 -15 52 53.4 o 695
2015-12-01 07:46:34 C 03 13 00.23 -16 28 31.9 o 695
2015-12-01 07:50:35 C 03 12 59.82 -16 28 37.7 o 695
2015-12-01 07:54:50 C 03 12 59.37 -16 28 43.6 o 695
2015-12-14 04:34:08 C 02 45 35.13 -22 15 29.6 o 691
2015-12-14 04:40:03 C 02 45 34.70 -22 15 35.3 o 691
2015-12-14 04:45:58 C 02 45 34.17 -22 15 40.1 o 691
2015-12-18 03:14:44 C 02 38 44.39 -23 26 32.3 u 807
2015-12-18 03:18:06 C 02 38 44.14 -23 26 34.8 u 807
2015-12-18 03:21:38 C 02 38 43.89 -23 26 36.9 u 807
2015-12-18 03:24:50 C 02 38 43.68 -23 26 38.9 u 807
2015-12-18 03:28:22 C 02 38 43.39 -23 26 41.3 u 807
2015-12-22 02:12:11 C 02 32 50.43 -24 24 05.4 u 807
2015-12-22 02:21:42 C 02 32 49.84 -24 24 10.5 u 807