2015 XB378

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5940464627 ± 1.52e-05
Semi-major axis (a)2.4348448651 AU ± 8.80e-05
Inclination (i)9.88327468° ± 1.79e-04
Long. of Asc. Node (Ω)50.74852613° ± 2.90e-04
Arg. of Perihelion (ω)39.49674974° ± 1.18e-04
Mean Anomaly (M)216.68252484° ± 5.08e-02
Mean Motion (n)0.2594211217°/day ± 1.41e-05
Perihelion dist (q)0.98843389 AU ± 5.15e-05
Aphelion dist (Q)3.88125584 AU ± 1.45e-04
Orbital Period3.79932936 yr ± 2.06e-04
Physical Parameters
H (abs. magnitude)21.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.225″
Uncertainty2
Orbit TypeApollo
MOID0.056322 AU
Observations Used21
Oppositions1
Arc Total2015-2016
First Observation Used2015-12-09
Last Observation Used2016-02-11
Observations (22)
Date Type RA Dec Mag Band Observatory
2015-12-09 05:01:52 C 23 09 29.594 -02 22 06.93 L F51
2015-12-09 05:19:31 C 23 09 30.018 -02 21 36.73 L F51
2015-12-09 05:37:12 C 23 09 30.475 -02 21 05.93 L F51
2015-12-09 05:55:01 C 23 09 30.937 -02 20 35.28 L F51
2015-12-10 04:56:55 C 23 10 16.431 -01 40 34.91 t 568
2015-12-10 04:58:52 C 23 10 16.485 -01 40 31.59 t 568
2015-12-10 05:00:44 C 23 10 16.539 -01 40 28.01 t 568
2015-12-14 02:23:01 C 23 13 44.63 +01 10 01.3 o 291
2015-12-14 02:35:00 C 23 13 45.04 +01 10 24.2 o 291
2015-12-14 02:46:58 C 23 13 45.47 +01 10 47.3 o 291
2015-12-15 18:05:37 C 23 15 25.61 +02 26 47.2 t G36
2015-12-15 18:17:28 C 23 15 26.06 +02 27 10.0 t G36
2015-12-15 18:29:19 C 23 15 26.51 +02 27 33.5 t G36
2015-12-30 03:40:56 C 23 35 09.37 +15 38 05.1 o 695
2015-12-30 03:46:47 C 23 35 09.76 +15 38 20.5 o 695
2015-12-30 03:52:38 C 23 35 10.16 +15 38 35.9 o 695
2016-01-14 03:28:54 C 00 10 15.25 +33 54 07.4 o 291
2016-01-14 03:33:53 C 00 10 15.95 +33 54 24.5 o 291
2016-01-14 03:38:52 C 00 10 16.45 +33 54 42.3 o 291
2016-02-11 02:41:27 C 04 20 53.16 +67 17 18.0 o 926
2016-02-11 02:48:26 C 04 20 58.20 +67 17 22.6 o 926
2016-02-11 02:55:26 C 04 21 03.18 +67 17 26.4 o 926