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
2021-11-08 10:40:22 C 07 19 12.25 +13 06 42.6 V G96
2021-11-11 15:42:31 C 07 28 45.096 +14 27 38.53 V T12
2021-11-11 15:43:12 C 07 28 45.178 +14 27 39.31 V T12
2021-11-11 15:43:51 C 07 28 45.260 +14 27 40.00 V T12
2021-11-11 15:44:27 C 07 28 45.335 +14 27 40.67 V T12
2021-11-11 15:45:06 C 07 28 45.416 +14 27 41.45 V T12
2021-11-11 15:45:49 C 07 28 45.504 +14 27 42.21 V T12
2021-11-16 09:36:32 C 07 44 45.02 +16 54 40.7 V G96
2021-11-16 09:44:04 C 07 44 46.13 +16 54 51.6 V G96
2021-11-16 09:46:07 C 07 44 46.43 +16 54 54.5 V G96
2021-11-16 09:51:37 C 07 44 47.25 +16 55 02.8 V G96
2021-11-16 09:53:39 C 07 44 47.54 +16 55 05.7 V G96
2021-11-16 09:59:10 C 07 44 48.30 +16 55 13.3 V G96
2021-11-16 10:01:12 C 07 44 48.64 +16 55 17.0 V G96
2021-11-18 20:21:17 C 07 54 07.63 +18 25 59.1 V D29
2021-11-18 20:40:40 C 07 54 10.77 +18 26 30.3 V D29
2021-11-27 03:53:56 S 08 36 29.918 +25 25 16.36 V C57
2021-11-27 03:53:56 s 1 -29634.323 0 +376093.81 6970.0 C57
2021-11-27 04:53:56 S 08 36 44.719 +25 27 35.53 V C57
2021-11-27 04:53:56 s 1 -31742.301 0 +375460.72 7910.0 C57
2021-11-27 08:13:56 S 08 37 34.447 +25 35 49.02 V C57
2021-11-27 08:13:56 s 1 -38743.814 0 +373088.01 3870.0 C57
2021-11-27 10:03:56 S 08 38 01.829 +25 40 33.92 V C57
2021-11-27 10:03:56 s 1 -42576.058 0 +371610.30 1000.0 C57
2021-11-27 10:43:56 S 08 38 12.170 +25 42 10.40 V C57
2021-11-27 10:43:56 s 1 -43965.969 0 +371042.44 4430.0 C57
2021-11-27 21:03:56 S 08 40 47.870 +26 08 08.09 V C57
2021-11-27 21:03:56 s 1 -65205.338 0 +360140.02 5180.0 C57
2021-11-27 23:53:56 S 08 41 31.342 +26 15 07.63 V C57
2021-11-27 23:53:56 s 1 -70908.271 0 +356452.89 7630.0 C57
2021-11-30 02:03:55 S 08 55 04.073 +28 27 35.86 V C57
2021-11-30 02:03:55 s 1 -154104.26 2 +236927.86 460.0 C57
2021-11-30 08:43:55 S 08 56 59.218 +28 45 39.24 V C57
2021-11-30 08:43:55 s 1 -160749.03 5 +212380.75 2640.0 C57
2021-11-30 10:15:33 C 08 57 14.50 +28 44 01.1 V 703
2021-11-30 10:23:14 C 08 57 16.77 +28 44 22.4 V 703
2021-11-30 10:30:56 C 08 57 19.15 +28 44 45.6 V 703
2021-11-30 10:38:40 C 08 57 21.45 +28 45 06.0 V 703
2021-11-30 10:53:55 S 08 57 36.658 +28 51 43.24 V C57
2021-11-30 10:53:55 s 1 -162539.14 3 +203901.62 2680.0 C57
2021-11-30 11:33:55 S 08 57 47.957 +28 53 26.66 V C57
2021-11-30 11:33:55 s 1 -163049.75 4 +201241.90 3860.0 C57
2021-11-30 11:53:55 S 08 57 53.834 +28 54 31.46 V C57
2021-11-30 11:53:55 s 1 -163297.72 4 +199903.01 3810.0 C57
2021-11-30 12:23:55 S 08 58 02.237 +28 55 48.83 V C57
2021-11-30 12:23:55 s 1 -163660.36 1 +197883.34 9840.0 C57
2021-11-30 12:43:55 S 08 58 07.922 +28 56 40.09 V C57
2021-11-30 12:43:55 s 1 -163895.82 8 +196529.31 7600.0 C57
2021-11-30 14:43:55 S 08 58 43.068 +29 02 19.21 V C57
2021-11-30 14:43:55 s 1 -165199.60 4 +188276.78 9730.0 C57