871972 (2017 XB2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5019906572 ± 3.29e-08
Semi-major axis (a)2.2871331413 AU ± 1.03e-08
Inclination (i)45.08371996° ± 9.41e-06
Long. of Asc. Node (Ω)336.89358763° ± 3.58e-06
Arg. of Perihelion (ω)212.96312678° ± 1.35e-05
Mean Anomaly (M)79.11390369° ± 6.07e-06
Mean Motion (n)0.2849542283°/day ± 1.92e-09
Perihelion dist (q)1.13901367 AU ± 7.55e-08
Aphelion dist (Q)3.43525261 AU ± 7.69e-08
Orbital Period3.45889334 yr ± 2.33e-08
Physical Parameters
H (abs. magnitude)18.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.239″
Uncertainty0
Orbit TypeAmor
MOID0.205116 AU
Observations Used157
Oppositions11
Arc Total2010-2025
First Observation Used2010-12-25
Last Observation Used2025-01-05
Observations (170)
Date Type RA Dec Mag Band Observatory
2018-02-08 11:42:57 C 13 12 49.55 +08 16 47.0 o 691
2018-02-08 12:04:59 C 13 12 47.90 +08 15 14.0 o 691
2018-02-09 10:20:01 C 13 11 13.46 +06 38 52.0 U 703
2018-02-09 10:35:06 C 13 11 12.19 +06 37 44.7 U 703
2018-02-09 10:42:40 C 13 11 11.59 +06 37 11.6 U 703
2018-02-11 00:32:07 C 13 08 09.20 +03 40 17.1 q 160
2018-02-11 00:35:20 C 13 08 08.88 +03 40 02.0 q 160
2018-02-11 00:38:08 C 13 08 08.66 +03 39 48.1 q 160
2018-02-11 14:55:58 C 13 06 50.88 +02 28 40.3 U T08
2018-02-11 15:25:30 C 13 06 47.99 +02 26 10.5 U T08
2018-02-11 15:40:09 C 13 06 46.55 +02 24 55.6 U T08
2018-02-12 12:27:57 C 13 04 48.286 +00 36 28.51 U F51
2018-02-12 12:45:57 C 13 04 46.362 +00 34 52.25 U F51
2018-02-12 13:04:00 C 13 04 44.430 +00 33 15.67 U F51
2018-02-12 13:22:05 C 13 04 42.487 +00 31 38.81 U F51
2018-02-14 04:01:57 C 13 00 31.91 -03 05 24.6 U K74
2018-02-14 04:07:08 C 13 00 31.28 -03 05 55.5 U K74
2018-02-14 04:17:12 C 13 00 30.08 -03 06 54.7 U K74
2018-02-14 04:22:05 C 13 00 29.49 -03 07 22.9 U K74
2018-02-14 04:32:09 C 13 00 28.26 -03 08 22.3 U K74
2018-02-14 04:37:38 C 13 00 27.58 -03 08 54.3 U K74
2018-02-14 04:42:13 C 13 00 27.05 -03 09 21.1 U K74
2018-02-14 04:47:42 C 13 00 26.38 -03 09 52.9 U K74
2018-02-15 14:25:28 C 12 56 17.56 -06 34 40.0 U T08
2018-02-15 14:40:12 C 12 56 15.52 -06 36 13.4 U T08
2018-02-15 14:54:54 C 12 56 13.43 -06 37 46.1 U T08
2018-02-15 15:09:35 C 12 56 11.36 -06 39 19.5 U T08
2018-02-23 05:41:09 C 12 22 26.69 -28 51 16.9 U W88
2018-02-23 05:56:10 C 12 22 22.82 -28 53 14.8 U W88
2018-02-23 06:16:13 C 12 22 17.57 -28 55 53.3 U W88
2018-02-23 07:25:26 C 12 21 59.54 -29 04 59.5 U W88
2018-02-23 07:51:15 C 12 21 52.77 -29 08 22.8 U W88
2018-02-24 02:12:35 C 12 17 09.41 -31 32 54.2 U 807
2018-02-24 02:15:09 C 12 17 08.75 -31 33 14.6 U 807
2018-02-24 02:17:38 C 12 17 08.06 -31 33 34.3 U 807
2018-02-24 02:22:37 C 12 17 06.69 -31 34 13.5 U 807
2018-02-24 02:28:51 C 12 17 05.00 -31 35 03.0 U 807
2018-02-24 02:35:04 C 12 17 03.32 -31 35 52.3 U 807
2018-02-24 05:25:31 C 12 16 16.01 -31 58 18.5 U W88
2018-02-24 07:45:36 C 12 15 36.54 -32 16 39.6 U W88
2018-02-24 07:55:33 C 12 15 33.74 -32 17 57.9 U W88
2018-02-24 08:05:23 C 12 15 30.95 -32 19 14.5 U W88
2018-03-03 04:13:09 C 11 16 19.44 -51 44 26.2 U W88
2018-03-03 04:33:07 C 11 16 10.09 -51 46 23.8 U W88
2018-03-03 06:33:02 C 11 15 13.41 -51 58 08.6 U W88
2018-03-10 10:14:05 C 09 39 47.94 -63 55 52.1 U 474
2018-03-10 10:16:58 C 09 39 46.09 -63 55 59.5 U 474
2018-03-10 10:21:19 C 09 39 43.32 -63 56 10.7 U 474
2018-03-23 00:06:23 C 06 58 34.86 -67 29 46.2 q I47
2018-03-23 00:21:37 C 06 58 28.95 -67 29 41.9 q I47