2017 WP28

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8010370796 ± 4.02e-07
Semi-major axis (a)1.1757890702 AU ± 9.46e-08
Inclination (i)10.08389670° ± 9.80e-06
Long. of Asc. Node (Ω)263.01211474° ± 4.68e-05
Arg. of Perihelion (ω)6.55891619° ± 7.67e-05
Mean Anomaly (M)138.11918096° ± 2.09e-04
Mean Motion (n)0.7730688034°/day ± 9.33e-08
Perihelion dist (q)0.23393843 AU ± 4.73e-07
Aphelion dist (Q)2.11763971 AU ± 5.02e-07
Orbital Period1.27495286 yr ± 1.54e-07
Physical Parameters
H (abs. magnitude)20.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.186″
Uncertainty0
Orbit TypeApollo
MOID0.105841 AU
Observations Used49
Oppositions1
Arc Total2017-2020
First Observation Used2017-11-27
Last Observation Used2020-02-27
Observations (57)
Date Type RA Dec Mag Band Observatory
2017-11-17 19:49:02 S 21 59 25.682 +28 02 01.54 L C51
2017-11-17 21:23:17 S 22 00 49.541 +27 59 19.43 L C51
2017-11-27 02:33:09 C 23 55 02.89 +21 24 46.2 U G96
2017-11-27 02:40:46 C 23 55 04.98 +21 24 35.7 U G96
2017-11-27 02:48:17 C 23 55 07.06 +21 24 25.5 U G96
2017-11-27 02:55:48 C 23 55 09.15 +21 24 15.6 U G96
2017-11-27 03:49:35 C 23 55 23.93 +21 23 02.1 U H01
2017-11-27 03:55:12 C 23 55 25.48 +21 22 54.5 U H01
2017-11-27 04:10:38 C 23 55 29.74 +21 22 33.6 U H01
2017-11-27 04:23:03 C 23 55 33.19 +21 22 16.8 U H01
2017-11-27 04:46:22 C 23 55 39.69 +21 21 46.8 o 926
2017-11-27 04:55:20 C 23 55 42.17 +21 21 34.5 o 926
2017-11-27 05:04:19 C 23 55 44.63 +21 21 22.2 o 926
2017-11-27 05:19:04 C 23 55 48.71 +21 21 01.8 U V06
2017-11-27 05:19:53 C 23 55 48.95 +21 21 00.7 U V06
2017-11-27 05:20:43 C 23 55 49.18 +21 21 00.0 U V06
2017-11-27 05:21:33 C 23 55 49.40 +21 20 58.4 U V06
2017-11-27 07:03:43 C 23 56 17.59 +21 18 39.5 U I52
2017-11-27 07:04:18 C 23 56 17.79 +21 18 39.0 U I52
2017-11-27 07:06:27 C 23 56 18.35 +21 18 36.0 U I52
2017-11-27 07:07:02 C 23 56 18.45 +21 18 35.2 U I52
2017-11-27 20:29:21 C 23 59 57.87 +21 01 13.2 U K51
2017-11-27 20:33:16 C 23 59 58.89 +21 01 07.9 U K51
2017-11-27 20:37:10 C 23 59 59.90 +21 01 03.1 U K51
2017-11-28 03:11:01 C 00 01 43.37 +20 52 56.9 U V06
2017-11-28 03:12:45 C 00 01 43.79 +20 52 54.8 U V06
2017-11-28 03:14:28 C 00 01 44.24 +20 52 52.5 U V06
2017-11-28 03:16:11 C 00 01 44.68 +20 52 50.3 U V06
2017-12-01 03:01:20 C 00 17 58.25 +19 34 07.2 u H21
2017-12-01 03:07:53 C 00 17 59.54 +19 34 01.0 u H21
2017-12-01 03:15:41 C 00 18 01.04 +19 33 53.6 u H21
2019-12-28 10:36:27 C 08 19 22.460 +09 43 59.17 U F51
2019-12-28 10:53:47 C 08 19 20.779 +09 43 56.15 U F51
2019-12-28 11:11:03 C 08 19 19.134 +09 43 53.22 U F51
2019-12-30 05:31:47 C 08 15 12.02 +09 36 40.1 V 807
2019-12-30 05:39:54 C 08 15 11.16 +09 36 38.7 V 807
2019-12-30 05:48:02 C 08 15 10.30 +09 36 36.8 V 807
2019-12-30 10:29:17 C 08 14 41.28 +09 35 36.8 o 291
2019-12-30 10:39:13 C 08 14 40.25 +09 35 35.5 o 291
2019-12-30 10:49:12 C 08 14 39.20 +09 35 33.6 o 291
2019-12-31 00:01:10 C 08 13 17.72 +09 33 16.6 V L01
2019-12-31 00:07:58 C 08 13 17.04 +09 33 16.2 V L01
2019-12-31 00:14:46 C 08 13 16.34 +09 33 15.3 V L01
2020-01-01 03:58:45 C 08 10 17.87 +09 28 50.1 V 807
2020-01-01 04:06:52 C 08 10 16.96 +09 28 48.7 V 807
2020-01-01 04:14:59 C 08 10 16.04 +09 28 47.6 V 807
2020-01-01 14:05:09 C 08 09 09.750 +09 27 00.26 V F51
2020-01-01 14:24:42 C 08 09 07.490 +09 26 57.17 V F51
2020-01-31 04:42:32 C 06 06 58.13 +07 51 58.4 o 691
2020-01-31 05:20:24 C 06 06 50.32 +07 51 54.7 o 691