137671 (1999 XP35)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1843338248 ± 2.60e-08
Semi-major axis (a)1.4347623822 AU ± 5.04e-10
Inclination (i)21.10357246° ± 3.94e-06
Long. of Asc. Node (Ω)263.43731958° ± 2.28e-06
Arg. of Perihelion (ω)198.31862216° ± 9.72e-06
Mean Anomaly (M)28.59839614° ± 6.81e-06
Mean Motion (n)0.5735117287°/day ± 3.02e-10
Perihelion dist (q)1.17028714 AU ± 3.73e-08
Aphelion dist (Q)1.69923762 AU ± 3.73e-08
Orbital Period1.71858087 yr ± 9.06e-10
Physical Parameters
H (abs. magnitude)18.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.238″
Uncertainty0
Orbit TypeAmor
MOID0.193203 AU
Observations Used495
Oppositions20
Arc Total1976-2024
First Observation Used1976-05-02
Last Observation Used2024-03-22
Observations (547)
Date Type RA Dec Mag Band Observatory
1999-12-30 17:30:52 C 08 54 58.93 -21 35 00.5 413
1999-12-30 17:35:57 C 08 54 58.59 -21 35 16.8 413
2000-01-03 13:51:56 C 08 50 29.25 -26 10 23.1 m 422
2000-01-03 13:53:11 C 08 50 29.17 -26 10 26.9 m 422
2000-01-03 13:54:39 C 08 50 29.10 -26 10 31.1 m 422
2000-01-03 16:32:34 C 08 50 19.36 -26 18 01.1 413
2000-01-03 16:34:57 C 08 50 19.21 -26 18 07.8 413
2000-01-04 16:52:45 C 08 48 58.60 -27 26 32.0 360
2000-01-04 16:56:45 C 08 48 58.42 -27 26 43.2 360
2000-01-04 17:00:15 C 08 48 58.15 -27 26 52.3 360
2000-01-15 13:19:30 C 08 31 22.01 -37 25 22.7 m 422
2000-01-15 13:21:13 C 08 31 21.90 -37 25 25.9 m 422
2000-02-11 11:55:28 C 07 46 49.31 -46 39 36.3 z 428
2000-02-24 14:28:14 C 07 39 14.61 -45 52 47.1 413
2000-02-24 14:31:04 C 07 39 14.58 -45 52 45.9 413
2000-03-02 10:25:07 C 07 40 14.64 -44 44 08.1 m 422
2000-03-02 10:26:37 C 07 40 14.58 -44 44 07.7 m 422
2000-03-02 10:29:22 C 07 40 14.64 -44 44 07.4 19.5 m 422
2000-03-04 09:51:33 C 07 41 06.59 -44 19 53.6 c 474
2000-03-04 09:55:37 C 07 41 06.67 -44 19 51.3 c 474
2000-03-04 09:58:27 C 07 41 06.67 -44 19 50.1 c 474
2000-06-12 09:02:53 C 11 20 53.66 -19 27 42.0 413
2000-06-12 09:05:58 C 11 20 53.87 -19 27 41.8 413
2000-06-12 09:12:20 C 11 20 54.65 -19 27 40.2 413
2004-09-02 09:43:58 C 22 00 14.51 +45 29 40.0 o 568
2004-09-02 09:48:54 C 22 00 14.09 +45 29 41.0 o 568
2004-10-04 08:34:09 C 21 13 29.47 +41 37 57.4 c G90
2004-10-04 08:38:43 C 21 13 29.33 +41 37 54.1 c G90
2004-10-04 08:43:16 C 21 13 29.27 +41 37 50.8 c G90
2004-10-05 04:18:14 C 21 13 08.95 +41 23 21.1 c G90
2004-10-05 04:22:47 C 21 13 09.28 +41 23 30.1 c G90
2004-10-05 04:27:21 C 21 13 09.16 +41 23 26.8 c G90
2004-11-03 05:41:01 C 21 32 35.09 +31 23 11.4 r 448
2004-11-03 05:51:26 C 21 32 35.77 +31 23 01.1 r 448
2004-11-03 06:02:56 C 21 32 36.61 +31 22 50.8 r 448
2004-12-13 18:16:18 C 23 13 47.04 +18 51 25.8 c 246
2004-12-13 18:17:28 C 23 13 47.29 +18 51 25.6 c 246
2004-12-13 18:19:28 C 23 13 47.58 +18 51 24.9 c 246
2004-12-13 18:21:42 C 23 13 47.87 +18 51 21.9 c 246
2004-12-13 18:24:06 C 23 13 48.10 +18 51 22.0 c 246
2006-10-22 11:29:24 C 09 28 44.32 +12 43 27.8 r G96
2006-10-22 11:42:31 C 09 28 45.94 +12 43 08.5 r G96
2006-10-22 11:55:25 C 09 28 47.53 +12 42 49.8 r G96
2006-10-22 12:08:28 C 09 28 49.11 +12 42 30.9 r G96
2009-07-07 06:01:46 C 20 04 35.19 +05 26 51.3 o H55
2009-07-07 06:12:45 C 20 04 34.37 +05 27 00.1 o H55
2009-07-07 06:23:28 C 20 04 33.55 +05 27 08.3 o H55
2011-10-19 15:15:33 C 06 03 15.093 +59 43 59.80 L F51
2011-10-19 15:21:11 C 06 03 15.812 +59 43 58.36 L F51
2011-10-19 15:27:17 C 06 03 16.620 +59 43 56.82 L F51