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
2011-12-02 19:55:03 C 07 04 20.11 +36 37 16.8 u C73
2011-12-02 19:57:04 C 07 04 20.02 +36 37 11.2 u C73
2011-12-02 19:59:06 C 07 04 19.96 +36 37 04.9 u C73
2011-12-14 15:54:55 C 06 48 53.38 +18 38 06.5 u 379
2011-12-14 16:08:35 C 06 48 52.28 +18 37 07.1 u 379
2011-12-14 16:30:35 C 06 48 50.53 +18 35 30.3 u 379
2011-12-15 14:21:34 C 06 47 20.39 +16 59 12.5 u 379
2011-12-15 14:43:33 C 06 47 18.61 +16 57 35.6 u 379
2011-12-18 20:19:32 C 06 41 40.65 +11 09 28.2 u 089
2011-12-18 20:22:27 C 06 41 40.40 +11 09 15.0 u 089
2011-12-18 20:25:23 C 06 41 40.16 +11 09 02.1 u 089
2011-12-18 20:28:19 C 06 41 39.90 +11 08 48.8 u 089
2011-12-18 20:31:15 C 06 41 39.66 +11 08 35.7 u 089
2011-12-22 01:54:49 C 06 35 47.43 +05 21 53.8 t 130
2011-12-22 01:56:23 C 06 35 47.31 +05 21 47.0 t 130
2011-12-22 01:57:10 C 06 35 47.24 +05 21 43.3 t 130
2011-12-22 01:57:57 C 06 35 47.17 +05 21 39.7 t 130
2011-12-26 21:18:05 C 06 27 09.15 -02 47 36.8 r J37
2011-12-26 21:54:14 C 06 27 06.27 -02 50 02.3 r J37
2011-12-26 22:12:15 C 06 27 04.75 -02 51 14.1 r J37
2012-01-03 03:02:38 C 06 15 13.28 -13 04 52.5 u I20
2012-01-03 03:13:25 C 06 15 12.50 -13 05 25.5 u I20
2012-01-03 03:23:55 C 06 15 11.75 -13 05 57.8 u I20
2012-01-05 06:20:20 C 06 12 09.08 -15 35 10.3 17.6 c 704
2012-01-05 06:40:18 C 06 12 07.70 -15 36 05.9 18.1 c 704
2012-01-05 06:59:32 C 06 12 06.44 -15 36 58.8 18.1 c 704
2012-01-05 07:18:58 C 06 12 05.20 -15 37 52.2 17.8 c 704
2012-01-05 07:38:10 C 06 12 03.86 -15 38 45.2 18.1 c 704
2012-01-06 06:39:05 C 06 10 46.92 -16 40 49.5 17.3 c 704
2012-01-06 06:58:14 C 06 10 45.72 -16 41 39.9 17.4 c 704
2012-01-06 07:17:23 C 06 10 44.47 -16 42 30.0 17.3 c 704
2012-01-06 07:36:30 C 06 10 43.26 -16 43 19.3 17.6 c 704
2012-01-07 06:24:14 C 06 09 30.35 -17 41 46.2 u 448
2012-01-07 06:29:55 C 06 09 30.01 -17 42 00.2 u 448
2012-01-07 06:34:35 C 06 09 29.69 -17 42 11.9 u 448
2012-01-07 06:40:52 C 06 09 29.30 -17 42 27.5 u 448
2012-01-07 06:46:28 C 06 09 28.95 -17 42 41.5 u 448
2012-01-10 05:04:50 C 06 06 01.70 -20 24 38.0 17.5 u I36
2012-01-10 05:09:16 C 06 06 01.44 -20 24 46.8 17.8 u I36
2012-01-10 05:15:10 C 06 06 01.14 -20 24 59.0 18.0 u I36
2014-04-18 08:11:33 C 18 25 28.39 -39 03 13.7 u 807
2014-04-18 08:20:37 C 18 25 28.59 -39 03 11.2 u 807
2014-04-18 08:31:30 C 18 25 28.80 -39 03 07.9 u 807
2014-06-26 08:06:50 C 16 59 56.751 -19 28 04.19 L F51
2014-06-26 08:22:07 C 16 59 55.688 -19 27 49.86 L F51
2014-06-26 08:37:25 C 16 59 54.633 -19 27 35.25 L F51
2014-06-26 08:52:46 C 16 59 53.566 -19 27 20.72 L F51
2014-07-26 07:38:06 C 16 37 06.339 -11 12 59.11 L F51
2014-07-26 07:55:13 C 16 37 06.304 -11 12 51.94 L F51
2014-07-26 08:12:18 C 16 37 06.272 -11 12 44.88 L F51