2015 XS378

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6141311437 ± 2.70e-04
Semi-major axis (a)2.5693365262 AU ± 1.54e-03
Inclination (i)9.35531272° ± 3.24e-03
Long. of Asc. Node (Ω)253.03477970° ± 1.94e-03
Arg. of Perihelion (ω)166.49540715° ± 2.48e-03
Mean Anomaly (M)151.33789419° ± 8.07e-01
Mean Motion (n)0.2393209894°/day ± 2.15e-04
Perihelion dist (q)0.99142695 AU ± 9.12e-04
Aphelion dist (Q)4.14724611 AU ± 2.58e-03
Orbital Period4.11842808 yr ± 3.70e-03
Physical Parameters
H (abs. magnitude)24.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.254″
Uncertainty3
Orbit TypeApollo
MOID0.013626 AU
Observations Used31
Oppositions1
Arc Total2015-2015
First Observation Used2015-12-09
Last Observation Used2015-12-30
Observations (33)
Date Type RA Dec Mag Band Observatory
2015-12-09 08:14:47 C 03 14 59.46 +09 21 00.3 V 703
2015-12-09 08:27:46 C 03 15 13.81 +09 19 37.3 V 703
2015-12-09 08:34:15 C 03 15 21.02 +09 18 55.5 V 703
2015-12-14 10:12:34 C 05 03 27.912 -01 27 31.66 L F51
2015-12-14 10:46:50 C 05 03 48.444 -01 29 42.86 L F51
2015-12-14 11:03:56 C 05 03 58.683 -01 30 48.17 L F51
2015-12-15 05:07:47 C 05 15 02.37 -02 36 15.2 u 926
2015-12-15 05:20:19 C 05 15 09.24 -02 36 57.0 u 926
2015-12-15 05:32:49 C 05 15 16.01 -02 37 40.4 u 926
2015-12-15 06:53:43 C 05 15 59.61 -02 42 13.2 o 926
2015-12-15 06:57:48 C 05 16 01.80 -02 42 26.9 o 926
2015-12-15 07:01:51 C 05 16 03.94 -02 42 40.3 o 926
2015-12-15 07:35:19 C 05 16 21.91 -02 44 32.9 u 926
2015-12-15 07:47:52 C 05 16 28.58 -02 45 14.3 u 926
2015-12-15 08:00:24 C 05 16 35.25 -02 45 55.7 u 926
2015-12-15 11:50:12 C 05 18 42.257 -02 58 06.27 t 568
2015-12-15 11:51:46 C 05 18 43.074 -02 58 11.30 t 568
2015-12-15 11:53:19 C 05 18 43.890 -02 58 16.33 t 568
2015-12-16 09:35:04 C 05 30 04.60 -04 04 13.0 o 926
2015-12-16 09:39:16 C 05 30 06.57 -04 04 24.9 o 926
2015-12-16 09:43:25 C 05 30 08.49 -04 04 36.0 o 926
2015-12-16 10:42:21 C 05 30 36.14 -04 07 20.4 o 291
2015-12-16 10:44:56 C 05 30 37.35 -04 07 27.8 o 291
2015-12-16 10:47:32 C 05 30 38.55 -04 07 34.6 o 291
2015-12-17 00:09:37 C 05 37 01.69 -04 43 33.3 q 204
2015-12-17 00:21:16 C 05 37 06.70 -04 44 03.4 q 204
2015-12-17 00:38:31 C 05 37 14.10 -04 44 46.3 q 204
2015-12-18 07:53:11 C 05 50 18.48 -05 55 40.4 q I52
2015-12-18 08:05:34 C 05 50 22.87 -05 56 05.9 q I52
2015-12-18 08:08:24 C 05 50 23.88 -05 56 11.4 q I52
2015-12-30 07:55:51 C 06 50 48.32 -10 00 53.9 o 695
2015-12-30 08:09:49 C 06 50 49.66 -10 00 55.9 o 695
2015-12-30 08:23:48 C 06 50 50.96 -10 00 58.4 o 695