537829 (2015 XY378)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4892935176 ± 1.25e-07
Semi-major axis (a)0.7101677130 AU ± 3.41e-09
Inclination (i)13.91941616° ± 9.38e-06
Long. of Asc. Node (Ω)1.19986706° ± 1.09e-04
Arg. of Perihelion (ω)265.68508269° ± 9.85e-05
Mean Anomaly (M)59.41604057° ± 4.36e-05
Mean Motion (n)1.6469138832°/day ± 1.19e-08
Perihelion dist (q)0.36268725 AU ± 8.89e-08
Aphelion dist (Q)1.05764817 AU ± 8.90e-08
Orbital Period0.59846862 yr ± 4.31e-09
Physical Parameters
H (abs. magnitude)19.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.269″
Uncertainty0
Orbit TypeAten
MOID0.197509 AU
Observations Used71
Oppositions7
Arc Total2015-2025
First Observation Used2015-12-15
Last Observation Used2025-12-16
Observations (163)
Date Type RA Dec Mag Band Observatory
2015-12-21 02:57:49 S 13 40 56.66 +45 17 12.7 L C51
2015-12-21 06:06:41 S 13 41 46.627 +45 17 53.38 L C51
2015-12-21 07:40:56 S 13 42 11.582 +45 18 11.45 L C51
2015-12-21 20:16:14 S 13 45 33.367 +45 20 38.94 L C51
2015-12-21 23:25:06 S 13 46 24.350 +45 21 12.20 L C51
2015-12-22 02:33:58 S 13 47 15.590 +45 21 46.19 L C51
2015-12-22 15:09:05 S 13 50 41.638 +45 23 47.04 L C51
2015-12-22 18:17:57 S 13 51 33.629 +45 24 14.18 L C51
2015-12-27 10:53:11 C 14 24 37.65 +45 25 54.6 o 695
2015-12-27 10:56:47 C 14 24 38.78 +45 25 54.5 o 695
2015-12-28 12:02:48 C 14 32 33.44 +45 21 40.5 o 695
2015-12-28 12:05:41 C 14 32 34.34 +45 21 40.4 o 695
2015-12-28 13:04:22 C 14 32 52.64 +45 21 30.9 o 695
2015-12-28 13:09:40 C 14 32 54.30 +45 21 30.2 o 695
2015-12-28 13:14:55 C 14 32 55.93 +45 21 29.3 o 695
2016-01-12 13:04:49 C 16 44 02.40 +38 49 54.5 u 926
2016-01-12 13:11:40 C 16 44 05.06 +38 49 39.0 u 926
2016-01-12 13:18:31 C 16 44 07.63 +38 49 24.5 u 926
2016-12-09 01:35:59 C 20 37 27.10 -08 28 47.0 o 291
2016-12-09 01:52:34 C 20 37 31.50 -08 28 12.7 o 291
2016-12-20 01:58:50 C 21 42 21.25 +00 22 38.2 o 291
2016-12-20 02:04:18 C 21 42 22.49 +00 22 48.2 o 291
2016-12-20 02:09:42 C 21 42 23.69 +00 22 58.4 o 291
2017-01-08 02:53:48 C 23 12 51.50 +12 28 42.4 o 291
2017-01-08 03:08:51 C 23 12 54.10 +12 29 01.4 o 291
2017-01-08 03:23:58 C 23 12 56.69 +12 29 20.9 o 291
2017-01-28 02:04:37 C 00 28 48.86 +20 39 30.6 o 291
2017-01-28 02:13:42 C 00 28 50.19 +20 39 37.6 o 291
2017-01-28 02:22:48 C 00 28 51.49 +20 39 45.3 o 291
2017-01-30 02:53:19 C 00 35 54.11 +21 17 58.7 o 291
2017-01-30 02:59:28 C 00 35 55.10 +21 18 03.3 o 291
2017-02-26 03:02:40 C 02 04 21.06 +27 29 19.4 o 691
2017-02-26 03:28:43 C 02 04 24.42 +27 29 28.7 o 691
2017-02-26 03:54:49 C 02 04 27.86 +27 29 39.1 o 691
2017-04-06 03:11:06 C 04 05 00.71 +30 05 23.1 o 291
2017-04-06 03:30:33 C 04 05 03.11 +30 05 19.8 o 291
2017-04-06 03:50:00 C 04 05 05.58 +30 05 19.0 o 291
2018-10-10 12:18:34 C 09 32 29.44 +32 03 55.0 V I52
2018-10-10 12:23:22 C 09 32 29.78 +32 03 56.2 V I52
2018-10-10 12:25:47 C 09 32 29.98 +32 03 57.4 V I52
2018-11-28 12:02:14 C 11 51 16.06 +38 55 34.6 V G96
2018-11-28 12:09:34 C 11 51 17.21 +38 55 36.7 V G96
2018-11-28 12:16:56 C 11 51 18.33 +38 55 39.3 V G96
2018-11-28 12:24:15 C 11 51 19.47 +38 55 41.3 V G96
2018-12-04 10:54:53 C 12 15 12.82 +39 30 58.4 V 703
2018-12-04 11:02:14 C 12 15 14.14 +39 30 59.9 V 703
2018-12-04 11:09:35 C 12 15 15.43 +39 31 02.8 V 703
2019-01-04 12:53:12 C 15 21 43.27 +36 22 07.4 V 703
2019-01-04 13:00:22 C 15 21 45.64 +36 21 57.7 V 703
2019-01-04 13:07:32 C 15 21 47.97 +36 21 48.9 V 703