2015 XR1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4630820359 ± 4.88e-08
Semi-major axis (a)1.3904770284 AU ± 2.79e-09
Inclination (i)2.54758446° ± 3.18e-06
Long. of Asc. Node (Ω)143.87849915° ± 2.48e-04
Arg. of Perihelion (ω)195.94171821° ± 2.47e-04
Mean Anomaly (M)64.83042153° ± 2.15e-06
Mean Motion (n)0.6011274339°/day ± 1.81e-09
Perihelion dist (q)0.74657210 AU ± 6.79e-08
Aphelion dist (Q)2.03438196 AU ± 6.80e-08
Orbital Period1.63962952 yr ± 4.94e-09
Physical Parameters
H (abs. magnitude)23.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.310″
Uncertainty0
Orbit TypeApollo
MOID0.040771 AU
Observations Used85
Oppositions4
Arc Total2015-2025
First Observation Used2015-12-03
Last Observation Used2025-06-13
Observations (91)
Date Type RA Dec Mag Band Observatory
2015-12-03 06:45:08 C 01 02 49.515 -15 52 43.98 L F51
2015-12-03 07:01:23 C 01 02 57.345 -15 51 16.52 L F51
2015-12-04 02:44:58 C 01 12 22.40 -14 07 32.9 u 807
2015-12-04 02:52:52 C 01 12 25.95 -14 06 53.0 u 807
2015-12-04 03:00:29 C 01 12 29.36 -14 06 13.4 u 807
2015-12-04 04:21:43 C 01 13 07.87 -14 00 29.2 o 291
2015-12-04 04:25:35 C 01 13 09.60 -14 00 09.1 o 291
2015-12-04 04:29:26 C 01 13 11.28 -13 59 49.7 o 291
2015-12-04 04:29:41 C 01 13 11.35 -13 59 47.3 o 926
2015-12-04 04:35:24 C 01 13 13.89 -13 59 18.8 o 926
2015-12-04 04:41:06 C 01 13 16.44 -13 58 49.6 o 926
2015-12-05 01:28:37 C 01 22 24.33 -12 15 25.0 u 807
2015-12-05 01:33:48 C 01 22 26.41 -12 15 00.3 u 807
2015-12-05 01:39:05 C 01 22 28.56 -12 14 35.0 u 807
2015-12-05 01:44:06 C 01 22 30.62 -12 14 11.0 u 807
2015-12-05 01:49:23 C 01 22 32.77 -12 13 45.8 u 807
2015-12-05 05:40:12 C 01 24 08.04 -11 56 29.6 o 926
2015-12-05 05:46:24 C 01 24 10.50 -11 56 01.2 o 926
2015-12-05 05:52:35 C 01 24 12.93 -11 55 31.8 o 926
2015-12-08 02:49:10 C 01 49 23.16 -06 59 38.3 u 807
2015-12-08 02:58:52 C 01 49 26.15 -06 59 00.8 u 807
2015-12-08 03:08:35 C 01 49 29.15 -06 58 23.4 u 807
2015-12-13 05:08:02 C 02 21 38.37 -00 29 31.8 o 926
2015-12-13 05:17:23 C 02 21 40.26 -00 29 07.9 o 926
2015-12-13 05:26:45 C 02 21 42.20 -00 28 42.1 o 926
2015-12-14 06:41:29 C 02 26 58.15 +00 35 19.4 o 290
2015-12-14 06:47:02 C 02 26 59.26 +00 35 30.6 o 290
2015-12-14 06:52:18 C 02 27 00.33 +00 35 43.8 o 290
2015-12-18 01:55:53 C 02 43 25.87 +03 51 36.8 o 291
2015-12-18 02:04:50 C 02 43 27.26 +03 51 53.6 o 291
2015-12-18 02:13:50 C 02 43 28.62 +03 52 10.9 o 291
2025-04-30 11:34:47 C 16 31 43.727 -12 20 32.20 V F52
2025-04-30 11:51:30 C 16 31 43.799 -12 20 23.47 V F52
2025-04-30 12:08:12 C 16 31 43.896 -12 20 14.00 V F52
2025-04-30 12:23:05 C 16 31 43.951 -12 20 05.73 V F52
2025-05-21 08:44:56 C 16 26 45.899 -03 57 26.68 V G96
2025-05-21 08:52:25 C 16 26 45.445 -03 57 12.82 V G96
2025-05-21 08:59:54 C 16 26 45.107 -03 56 59.60 V G96
2025-05-21 09:10:22 C 16 26 44.552 -03 56 40.45 V G96
2025-05-21 09:54:59 C 16 26 42.112 -03 55 19.41 W H01
2025-05-21 10:00:04 C 16 26 41.854 -03 55 10.11 W H01
2025-05-21 10:14:24 C 16 26 41.132 -03 54 43.75 W H01
2025-05-21 10:21:42 C 16 26 44.282 -03 53 26.41 W 474
2025-05-21 10:26:57 C 16 26 44.014 -03 53 16.87 W 474
2025-05-21 10:27:04 C 16 26 40.505 -03 54 20.50 W H01
2025-05-21 10:32:12 C 16 26 43.750 -03 53 07.01 W 474
2025-05-21 10:37:27 C 16 26 43.469 -03 52 58.01 W 474
2025-05-21 10:47:20 C 16 26 39.584 -03 53 42.18 V I52
2025-05-21 10:54:07 C 16 26 39.253 -03 53 29.18 V I52
2025-05-21 10:55:58 C 16 26 39.196 -03 53 26.23 V I52