2015 XR128

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3206167965 ± 3.20e-08
Semi-major axis (a)1.6504708070 AU ± 2.85e-08
Inclination (i)15.53442459° ± 3.13e-06
Long. of Asc. Node (Ω)286.32764968° ± 6.33e-06
Arg. of Perihelion (ω)171.84415106° ± 1.34e-05
Mean Anomaly (M)231.98790314° ± 4.87e-05
Mean Motion (n)0.4648280000°/day ± 1.20e-08
Perihelion dist (q)1.12130200 AU ± 5.62e-08
Aphelion dist (Q)2.17963980 AU ± 6.48e-08
Orbital Period2.12037080 yr ± 5.49e-08
Physical Parameters
H (abs. magnitude)19.13
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.253″
Uncertainty0
Orbit TypeAmor
MOID0.139438 AU
Observations Used485
Oppositions4
Arc Total2015-2021
First Observation Used
Last Observation Used2021-07-09
Observations (614)
Date Type RA Dec Mag Band Observatory
2015-12-19 00:45:23 C 00 21 17.06 +35 56 42.4 u H21
2015-12-19 00:48:35 C 00 21 17.53 +35 56 39.1 u H21
2015-12-19 00:51:44 C 00 21 17.98 +35 56 35.4 u H21
2015-12-19 00:54:59 C 00 21 18.46 +35 56 31.8 u H21
2015-12-19 00:58:18 C 00 21 18.94 +35 56 28.2 u H21
2015-12-19 01:02:12 C 00 21 19.52 +35 56 23.9 u H21
2015-12-19 17:55:51 C 00 23 54.66 +35 38 19.4 u B88
2015-12-19 18:31:26 C 00 23 59.91 +35 37 40.9 u B88
2015-12-19 19:08:43 C 00 24 05.30 +35 37 01.7 u B88
2015-12-22 04:04:52 C 00 33 02.33 +34 35 02.6 u 926
2015-12-22 04:19:44 C 00 33 04.58 +34 34 46.2 u 926
2015-12-22 04:30:57 C 00 33 06.31 +34 34 32.8 u 926
2015-12-25 23:47:25 C 00 48 14.46 +32 51 07.7 u H21
2015-12-25 23:50:25 C 00 48 14.96 +32 51 04.4 u H21
2015-12-25 23:53:25 C 00 48 15.43 +32 51 00.7 u H21
2015-12-25 23:56:25 C 00 48 15.93 +32 50 57.3 u H21
2015-12-25 23:59:25 C 00 48 16.42 +32 50 53.7 u H21
2015-12-26 00:02:25 C 00 48 16.89 +32 50 50.3 u H21
2015-12-26 00:05:25 C 00 48 17.40 +32 50 47.0 u H21
2015-12-26 00:08:25 C 00 48 17.88 +32 50 43.4 u H21
2015-12-26 00:11:25 C 00 48 18.37 +32 50 40.2 u H21
2015-12-27 17:26:26 C 00 55 24.73 +32 02 12.5 q A17
2015-12-27 17:40:30 C 00 55 27.09 +32 01 55.8 q A17
2015-12-27 18:02:26 C 00 55 30.75 +32 01 29.6 q A17
2015-12-30 17:48:14 C 01 08 14.26 +30 34 56.6 S K14
2015-12-30 18:16:42 C 01 08 19.22 +30 34 21.7 S K14
2015-12-30 18:52:50 C 01 08 25.51 +30 33 37.5 S K14
2015-12-30 19:14:52 C 01 08 29.35 +30 33 09.9 S K14
2015-12-31 02:05:01 C 01 09 43.65 +30 24 49.0 q 703
2015-12-31 02:12:21 C 01 09 44.88 +30 24 39.3 q 703
2015-12-31 02:19:39 C 01 09 46.19 +30 24 30.9 q 703
2015-12-31 02:26:56 C 01 09 47.38 +30 24 22.1 q 703
2015-12-31 04:02:23 C 01 10 04.07 +30 22 23.0 o 926
2015-12-31 04:11:21 C 01 10 05.65 +30 22 11.6 o 926
2015-12-31 04:20:25 C 01 10 07.27 +30 21 59.8 o 926
2016-01-01 12:41:36 C 01 16 00.65 +29 41 43.7 o 300
2016-01-01 12:44:55 C 01 16 01.31 +29 41 40.1 o 300
2016-01-01 12:48:15 C 01 16 01.92 +29 41 35.8 o 300
2016-01-01 12:51:36 C 01 16 02.46 +29 41 31.1 o 300
2016-01-01 12:54:56 C 01 16 03.09 +29 41 26.7 o 300
2016-01-01 12:58:14 C 01 16 03.68 +29 41 22.7 o 300
2016-01-01 17:37:58 C 01 16 56.29 +29 35 28.9 q 246
2016-01-01 17:38:21 C 01 16 56.35 +29 35 28.3 q 246
2016-01-01 17:38:48 C 01 16 56.44 +29 35 27.7 q 246
2016-01-01 17:39:08 C 01 16 56.48 +29 35 28.0 q 246
2016-01-01 17:40:00 C 01 16 56.67 +29 35 26.4 q 246
2016-01-01 17:40:22 C 01 16 56.74 +29 35 25.4 q 246
2016-01-01 17:40:44 C 01 16 56.79 +29 35 25.2 q 246
2016-01-02 01:42:56 C 01 18 25.01 +29 25 23.3 u H21
2016-01-02 01:46:02 C 01 18 25.57 +29 25 19.2 u H21