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
2020-09-22 11:41:01 C 23 16 47.903 +07 10 48.43 U F51
2020-09-22 11:55:50 C 23 16 46.758 +07 10 31.40 U F51
2020-09-22 12:25:04 C 23 16 44.475 +07 09 57.34 U F51
2024-10-02 10:25:38 C 02 45 58.656 +14 02 10.64 X F52
2024-10-02 10:42:04 C 02 45 58.035 +14 01 57.39 X F52
2024-10-02 10:58:28 C 02 45 57.434 +14 01 43.55 X F52
2024-10-24 07:25:35 C 02 14 14.982 +04 15 19.98 V G96
2024-10-24 07:33:02 C 02 14 14.287 +04 15 10.01 V G96
2024-10-24 07:40:29 C 02 14 13.693 +04 14 59.78 V G96
2024-10-24 07:47:56 C 02 14 12.973 +04 14 49.16 V G96
2024-10-30 09:06:31 C 02 01 51.409 +01 00 31.26 X F51
2024-10-30 09:15:25 C 02 01 50.568 +01 00 18.96 X F52
2024-10-30 09:42:57 C 02 01 48.031 +00 59 42.47 X F51
2024-10-30 09:49:47 C 02 01 47.414 +00 59 33.54 X F52
2024-10-30 10:01:08 C 02 01 46.359 +00 59 18.33 X F51
2024-10-30 10:07:03 C 02 01 45.826 +00 59 10.52 X F52
2024-10-31 06:26:19 C 02 00 00.270 +00 32 07.62 V G96
2024-10-31 06:33:50 C 01 59 59.640 +00 31 57.83 V G96
2024-10-31 06:41:20 C 01 59 58.916 +00 31 48.32 V G96
2024-10-31 06:48:49 C 01 59 58.211 +00 31 38.42 V G96
2025-05-22 23:09:55 C 22 16 46.495 +66 13 44.80 X 033
2025-05-22 23:16:22 C 22 16 42.096 +66 13 39.50 X 033
2025-05-22 23:19:35 C 22 16 39.976 +66 13 37.20 X 033
2025-06-20 10:54:01 C 19 00 20.261 +45 41 52.00 X F52
2025-06-20 11:13:34 C 19 00 17.728 +45 41 15.57 X F52
2025-06-20 11:33:08 C 19 00 15.233 +45 40 39.35 X F52
2025-06-20 11:52:46 C 19 00 12.717 +45 40 02.50 X F52
2025-07-03 09:24:51 C 18 33 31.951 +35 56 08.83 X F52
2025-07-03 09:56:38 C 18 33 29.579 +35 55 08.72 X F52
2025-07-03 10:12:32 C 18 33 28.391 +35 54 38.66 X F52
2025-07-04 08:22:12 C 18 32 07.687 +35 12 28.07 X F52
2025-07-04 08:32:18 C 18 32 06.971 +35 12 09.27 X F52
2025-07-04 08:42:26 C 18 32 06.258 +35 11 50.19 X F52
2025-07-20 06:47:40 C 18 17 41.381 +23 17 50.51 X F52
2025-07-20 06:55:11 C 18 17 41.191 +23 17 37.09 X F52
2025-07-20 07:02:44 C 18 17 41.009 +23 17 23.71 X F52
2025-07-20 07:10:17 C 18 17 40.821 +23 17 10.15 X F52