2013 XY21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5291889236 ± 7.35e-08
Semi-major axis (a)2.6745838735 AU ± 3.17e-08
Inclination (i)25.18672434° ± 7.30e-06
Long. of Asc. Node (Ω)10.54177619° ± 1.52e-05
Arg. of Perihelion (ω)122.06479536° ± 2.58e-05
Mean Anomaly (M)242.55702538° ± 2.20e-05
Mean Motion (n)0.2253346317°/day ± 4.01e-09
Perihelion dist (q)1.25922371 AU ± 1.97e-07
Aphelion dist (Q)4.08994403 AU ± 2.03e-07
Orbital Period4.37405594 yr ± 7.78e-08
Physical Parameters
H (abs. magnitude)18.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.260″
Uncertainty0
Orbit TypeAmor
MOID0.399003 AU
Observations Used90
Oppositions8
Arc Total2013-2023
First Observation Used2013-11-26
Last Observation Used2023-04-16
Observations (94)
Date Type RA Dec Mag Band Observatory
2013-11-26 11:26:36 C 03 01 46.285 +68 25 32.68 V F51
2013-12-12 06:16:54 C 01 49 46.326 +71 58 22.75 L F51
2013-12-12 06:35:09 C 01 49 42.751 +71 58 27.56 L F51
2013-12-12 06:53:44 C 01 49 39.120 +71 58 32.32 L F51
2013-12-12 07:11:06 C 01 49 35.758 +71 58 36.69 V F51
2013-12-14 02:43:09 C 01 41 46.17 +72 08 26.2 o 926
2013-12-14 03:02:51 C 01 41 42.48 +72 08 30.7 o 926
2013-12-14 03:19:12 C 01 41 39.41 +72 08 33.2 o 926
2013-12-15 00:55:03 C 01 37 55.95 +72 12 31.8 t H01
2013-12-15 01:05:06 C 01 37 54.14 +72 12 33.8 t H01
2013-12-15 01:15:26 C 01 37 52.30 +72 12 35.8 t H01
2013-12-15 01:26:30 C 01 37 50.38 +72 12 37.9 t H01
2013-12-15 08:13:44 C 01 36 37.85 +72 13 40.2 t H01
2013-12-15 08:28:41 C 01 36 35.28 +72 13 42.0 t H01
2013-12-15 08:53:12 C 01 36 31.12 +72 13 44.9 t H01
2013-12-15 08:58:20 C 01 36 30.25 +72 13 45.3 t H01
2013-12-22 06:00:17 C 01 12 18.622 +72 28 14.80 t 568
2013-12-22 06:01:49 C 01 12 18.436 +72 28 14.81 t 568
2013-12-23 00:31:31 C 01 10 07.44 +72 28 35.2 q H36
2013-12-23 00:56:57 C 01 10 04.13 +72 28 35.7 q H36
2013-12-23 07:38:47 C 01 09 15.38 +72 28 34.5 o 291
2013-12-23 07:57:57 C 01 09 13.21 +72 28 34.0 o 291
2013-12-23 22:44:38 C 01 07 35.37 +72 28 43.0 o 033
2013-12-23 22:57:07 C 01 07 34.08 +72 28 43.0 o 033
2013-12-30 06:32:55 C 00 55 04.55 +72 26 42.2 o 291
2013-12-30 07:04:45 C 00 55 02.77 +72 26 40.2 o 291
2014-01-03 05:30:10 C 00 51 23.939 +72 25 09.07 t 568
2014-01-03 05:31:54 C 00 51 23.881 +72 25 09.02 t 568
2014-01-03 05:33:28 C 00 51 23.826 +72 25 08.97 t 568
2014-01-03 05:35:12 C 00 51 23.773 +72 25 08.94 t 568
2014-01-03 05:36:55 C 00 51 23.715 +72 25 08.89 t 568
2014-01-03 05:41:04 C 00 51 23.576 +72 25 08.78 t 568
2014-01-11 06:03:58 C 00 53 34.314 +72 28 49.68 t 568
2014-01-11 06:05:58 C 00 53 34.390 +72 28 49.63 t 568
2014-01-11 06:08:01 C 00 53 34.469 +72 28 49.68 t 568
2014-01-11 06:09:59 C 00 53 34.519 +72 28 49.80 t 568
2014-01-11 06:12:29 C 00 53 34.618 +72 28 49.83 t 568
2014-01-14 03:45:44 C 00 57 31.73 +72 33 31.9 o 926
2014-01-14 04:19:46 C 00 57 34.00 +72 33 32.2 o 926
2014-01-14 04:44:21 C 00 57 35.61 +72 33 34.2 o 926
2014-02-07 01:58:15 C 02 41 28.91 +73 36 34.0 u H21
2014-02-07 02:06:33 C 02 41 31.37 +73 36 33.5 u H21
2014-02-07 02:14:50 C 02 41 33.66 +73 36 32.4 u H21
2014-02-24 22:01:56 C 05 11 07.85 +70 29 39.7 q 204
2014-02-24 22:32:23 C 05 11 18.36 +70 29 09.0 q 204
2014-03-10 03:35:34 C 06 47 56.82 +63 02 06.3 o 926
2014-03-10 03:46:23 C 06 47 59.42 +63 01 46.6 o 926
2014-03-10 04:00:52 C 06 48 03.01 +63 01 20.5 o 926
2014-03-19 07:57:24 C 07 36 46.818 +55 42 34.02 V F51
2014-03-19 08:14:53 C 07 36 50.087 +55 41 55.78 V F51