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
2015-12-22 02:31:14 C 02 32 49.26 -24 24 15.7 u 807
2015-12-29 01:59:32 C 02 24 42.31 -25 37 18.1 u 807
2015-12-29 02:09:29 C 02 24 41.82 -25 37 21.1 u 807
2015-12-29 02:19:33 C 02 24 41.35 -25 37 24.2 u 807
2015-12-30 02:14:56 C 02 23 45.41 -25 45 22.7 u 807
2015-12-30 02:21:04 C 02 23 45.15 -25 45 24.7 u 807
2015-12-30 02:27:24 C 02 23 44.89 -25 45 26.8 u 807
2016-01-11 01:15:15 C 02 16 18.05 -26 48 06.4 u 807
2016-01-11 01:24:47 C 02 16 17.81 -26 48 07.7 u 807
2016-01-11 01:34:20 C 02 16 17.58 -26 48 08.4 u 807
2016-01-11 10:52:44 C 02 16 08.66 -26 49 18.3 t 474
2016-01-11 11:02:53 C 02 16 08.39 -26 49 19.4 t 474
2016-01-11 11:13:01 C 02 16 08.26 -26 49 21.0 t 474
2016-01-15 01:13:13 C 02 14 59.93 -27 00 27.0 u 807
2016-01-15 01:22:48 C 02 14 59.79 -27 00 27.6 u 807
2016-01-15 01:32:24 C 02 14 59.59 -27 00 28.8 u 807
2016-01-30 01:29:52 C 02 11 08.30 -27 42 38.7 u 807
2016-01-30 01:43:07 C 02 11 08.00 -27 42 39.9 u 807
2016-01-30 01:55:56 C 02 11 07.72 -27 42 41.1 u 807
2016-06-04 13:43:20 C 21 59 27.050 +20 04 04.66 L F51
2016-06-04 13:55:08 C 21 59 26.983 +20 04 12.17 L F51
2016-06-04 14:06:56 C 21 59 26.947 +20 04 19.89 L F51
2016-06-04 14:18:42 C 21 59 26.939 +20 04 27.48 L F51
2016-07-02 08:41:15 C 21 42 34.66 +24 29 38.3 u H21
2016-07-02 08:49:09 C 21 42 34.19 +24 29 38.5 u H21
2016-07-02 08:59:19 C 21 42 33.52 +24 29 39.2 u H21
2016-07-09 08:36:32 C 21 31 34.24 +24 22 15.1 q G96
2016-07-09 08:47:18 C 21 31 33.38 +24 22 13.9 q G96
2016-07-09 08:57:50 C 21 31 32.55 +24 22 11.0 q G96
2016-07-09 09:08:28 C 21 31 31.74 +24 22 09.3 q G96
2016-07-13 06:34:38 C 21 24 21.38 +23 59 15.8 u H21
2016-07-13 06:51:54 C 21 24 19.90 +23 59 10.3 u H21
2016-07-13 07:08:35 C 21 24 18.47 +23 59 04.9 u H21
2016-08-22 03:10:40 C 20 11 59.55 +08 27 12.3 u H21
2016-08-22 03:32:38 C 20 11 58.56 +08 26 44.3 u H21
2016-08-22 03:56:19 C 20 11 57.55 +08 26 14.0 u H21
2016-08-28 03:56:09 C 20 07 24.76 +05 27 53.2 u H21
2016-08-28 04:12:41 C 20 07 24.28 +05 27 33.2 u H21
2016-08-28 04:26:30 C 20 07 23.92 +05 27 16.8 u H21
2020-09-15 10:24:43 C 23 29 49.97 +10 19 49.1 V V06
2020-09-15 10:31:34 C 23 29 49.39 +10 19 41.7 V V06
2020-09-15 10:38:25 C 23 29 48.86 +10 19 34.4 V V06
2020-09-15 10:45:15 C 23 29 48.33 +10 19 26.5 V V06
2020-09-16 08:32:20 C 23 28 06.652 +09 55 57.56 U F51
2020-09-16 08:48:29 C 23 28 05.320 +09 55 40.16 U F51
2020-09-16 09:04:43 C 23 28 03.974 +09 55 22.66 U F51
2020-09-22 08:05:22 C 23 17 04.01 +07 14 52.7 V G96
2020-09-22 08:13:29 C 23 17 03.44 +07 14 42.7 V G96
2020-09-22 08:21:33 C 23 17 02.79 +07 14 33.0 V G96
2020-09-22 08:29:39 C 23 17 02.17 +07 14 23.1 V G96