2015 WA2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6294899397 ± 2.50e-07
Semi-major axis (a)1.5994696511 AU ± 1.08e-08
Inclination (i)14.59986454° ± 1.68e-05
Long. of Asc. Node (Ω)31.63763896° ± 1.48e-05
Arg. of Perihelion (ω)273.34735970° ± 5.00e-05
Mean Anomaly (M)15.44381688° ± 1.61e-05
Mean Motion (n)0.4872459861°/day ± 4.92e-09
Perihelion dist (q)0.59261960 AU ± 4.00e-07
Aphelion dist (Q)2.60631971 AU ± 4.00e-07
Orbital Period2.02285152 yr ± 2.04e-08
Physical Parameters
H (abs. magnitude)21.09
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.310″
Uncertainty0
Orbit TypeApollo
MOID0.001038 AU
Observations Used81
Oppositions3
Arc Total2015-2021
First Observation Used2015-11-03
Last Observation Used2021-12-03
Observations (88)
Date Type RA Dec Mag Band Observatory
2015-11-29 04:06:42 C 01 58 46.92 +38 20 19.8 o 695
2015-11-29 04:12:40 C 01 58 46.81 +38 20 15.9 o 695
2015-12-16 07:29:57 C 02 04 07.54 +35 10 09.8 o 291
2015-12-16 07:40:20 C 02 04 07.80 +35 10 06.3 o 291
2015-12-30 04:38:26 C 02 16 47.76 +33 55 10.7 o 695
2015-12-30 04:56:10 C 02 16 48.52 +33 55 07.8 o 695
2015-12-30 05:21:42 C 02 16 49.59 +33 55 03.6 o 695
2017-11-02 02:08:09 C 19 12 01.81 -15 25 23.0 o 926
2017-11-02 02:10:51 C 19 12 05.06 -15 24 56.9 o 926
2017-11-02 02:13:31 C 19 12 08.24 -15 24 30.7 o 926
2017-11-03 01:38:07 C 19 40 27.19 -11 26 35.2 o 926
2017-11-03 01:40:50 C 19 40 30.43 -11 26 06.1 o 926
2017-11-03 01:43:35 C 19 40 33.71 -11 25 36.8 o 926
2017-11-03 01:46:22 C 19 40 36.99 -11 25 07.3 o 926
2017-11-03 01:49:08 C 19 40 40.28 -11 24 38.9 o 926
2017-11-03 01:51:52 C 19 40 43.53 -11 24 09.1 o 926
2017-11-07 06:16:34 C 21 31 12.18 +05 53 37.5 U T08
2017-11-07 06:28:06 C 21 31 22.64 +05 55 17.8 U T08
2017-11-07 06:39:37 C 21 31 33.12 +05 56 58.5 U T08
2017-11-07 06:51:08 C 21 31 43.58 +05 58 38.2 U T08
2017-11-08 06:21:40 S 21 52 26.518 +09 09 26.14 L C51
2017-11-08 06:21:51 S 21 52 26.695 +09 09 26.82 L C51
2017-11-14 05:57:30 C 23 18 15.35 +20 31 22.2 U 703
2017-11-14 06:04:58 C 23 18 18.37 +20 31 41.8 U 703
2017-11-14 06:12:28 C 23 18 21.39 +20 32 01.6 U 703
2017-11-14 06:19:57 C 23 18 24.45 +20 32 21.7 U 703
2017-11-14 20:14:15 C 23 24 00.23 +21 08 34.3 U 204
2017-11-14 20:35:38 C 23 24 08.30 +21 09 27.0 U 204
2017-11-21 04:59:19 C 00 08 14.568 +25 15 17.10 L F51
2017-11-21 05:16:54 C 00 08 18.205 +25 15 35.33 L F51
2017-11-21 05:34:25 C 00 08 21.825 +25 15 53.37 L F51
2017-11-21 05:51:57 C 00 08 25.441 +25 16 11.35 L F51
2019-11-17 02:25:34 C 21 40 43.43 -04 18 13.2 V I52
2019-11-17 02:26:57 C 21 40 44.10 -04 18 06.7 V I52
2019-11-17 02:28:21 C 21 40 44.75 -04 18 00.0 V I52
2019-11-17 02:29:45 C 21 40 45.38 -04 17 53.2 V I52
2021-12-03 02:52:27 C 22 47 53.62 +02 27 38.2 o 291
2021-12-03 03:07:43 C 22 47 57.63 +02 28 18.9 o 291