439877 (1999 XM141)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3692232612 ± 4.49e-08
Semi-major axis (a)1.2361088574 AU ± 9.40e-10
Inclination (i)21.62274780° ± 8.91e-06
Long. of Asc. Node (Ω)72.97641246° ± 7.21e-06
Arg. of Perihelion (ω)105.78877635° ± 1.07e-05
Mean Anomaly (M)264.67711196° ± 9.03e-06
Mean Motion (n)0.7171783960°/day ± 8.18e-10
Perihelion dist (q)0.77970871 AU ± 5.55e-08
Aphelion dist (Q)1.69250900 AU ± 5.55e-08
Orbital Period1.37431117 yr ± 1.57e-09
Physical Parameters
H (abs. magnitude)19.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.434″
Uncertainty0
Orbit TypeApollo
MOID0.034497 AU
Observations Used225
Oppositions7
Arc Total1999-2026
First Observation Used1999-12-13
Last Observation Used2026-01-10
Observations (266)
Date Type RA Dec Mag Band Observatory
2021-12-03 08:18:50 C 09 21 10.86 +32 11 25.8 V 703
2021-12-03 08:26:48 C 09 21 13.82 +32 11 50.8 V 703
2021-12-03 08:34:45 C 09 21 16.75 +32 12 15.7 V 703
2021-12-03 08:42:42 C 09 21 19.68 +32 12 40.5 V 703
2021-12-06 07:51:20 C 09 50 54.29 +35 56 00.2 V 703
2021-12-06 07:59:11 C 09 50 57.84 +35 56 25.7 V 703
2021-12-06 08:07:02 C 09 51 01.36 +35 56 51.0 V 703
2021-12-06 08:14:53 C 09 51 04.94 +35 57 16.6 V 703
2021-12-10 13:28:26 C 10 44 20.50 +41 04 11.4 V T08
2021-12-10 13:38:34 C 10 44 26.48 +41 04 40.3 V T08
2021-12-10 13:46:38 C 10 44 31.07 +41 05 03.3 V T08
2021-12-10 14:02:42 C 10 44 40.43 +41 05 47.8 V T08
2021-12-12 09:29:16 C 11 11 49.26 +42 56 47.8 V 703
2021-12-12 09:37:02 C 11 11 54.27 +42 57 06.5 V 703
2021-12-12 09:44:48 C 11 11 59.28 +42 57 25.2 V 703
2021-12-12 09:52:33 C 11 12 04.25 +42 57 44.0 V 703
2021-12-21 11:41:20 S 13 44 41.326 +45 28 17.69 L C51
2021-12-21 13:15:24 S 13 45 43.145 +45 26 44.02 L C51
2021-12-21 14:49:28 S 13 46 44.902 +45 25 07.64 L C51
2021-12-21 16:23:32 S 13 47 46.392 +45 23 30.08 L C51
2021-12-21 17:57:36 S 13 48 47.710 +45 21 50.29 L C51
2021-12-21 19:31:40 S 13 49 48.898 +45 20 09.13 L C51
2021-12-21 22:39:48 S 13 51 50.695 +45 16 40.98 L C51
2022-08-04 13:55:49 C 01 13 13.103 -42 36 03.54 U F52
2022-08-04 14:05:54 C 01 13 12.954 -42 36 14.35 U F52
2022-08-04 14:15:59 C 01 13 12.775 -42 36 24.66 U F52
2025-09-02 13:33:35 C 03 47 59.452 -10 23 15.21 X F52
2025-09-02 13:49:59 C 03 48 00.006 -10 23 19.91 X F52
2025-09-02 14:06:24 C 03 48 00.544 -10 23 24.34 X F52
2025-09-13 14:25:49 C 03 55 16.688 -11 47 23.72 X F51
2025-09-13 14:42:18 C 03 55 16.983 -11 47 29.37 X F51
2025-09-13 14:59:01 C 03 55 17.257 -11 47 35.47 X F51
2025-10-31 06:47:12 C 03 10 06.604 -18 34 46.99 V G96
2025-10-31 06:54:36 C 03 10 05.761 -18 34 47.42 V G96
2025-10-31 07:02:01 C 03 10 04.901 -18 34 47.57 V G96
2025-10-31 07:09:24 C 03 10 04.073 -18 34 47.28 V G96
2025-11-08 07:04:09 C 02 47 22.506 -18 13 39.68 V G96
2025-11-08 07:12:12 C 02 47 21.462 -18 13 38.50 V G96
2025-11-08 07:20:15 C 02 47 20.443 -18 13 36.16 V G96
2025-11-08 07:28:19 C 02 47 19.370 -18 13 33.35 V G96
2025-12-10 05:32:32 C 01 23 35.307 -07 16 24.06 X F52
2025-12-10 05:49:31 C 01 23 34.054 -07 16 02.62 X F52
2025-12-10 06:06:21 C 01 23 32.817 -07 15 41.33 X F52
2025-12-10 06:23:15 C 01 23 31.564 -07 15 19.94 X F52
2025-12-13 03:05:02 C 01 19 03.403 -05 47 21.41 V G96
2025-12-13 03:14:46 C 01 19 02.741 -05 47 09.06 V G96
2025-12-13 03:23:00 C 01 19 02.276 -05 46 58.30 V G96
2025-12-13 03:31:12 C 01 19 01.722 -05 46 47.71 V G96
2025-12-14 05:19:58 C 01 17 30.769 -05 13 11.13 X F52
2025-12-14 05:39:31 C 01 17 29.564 -05 12 45.73 X F52