496860 (1999 XL136)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6466062712 ± 2.36e-08
Semi-major axis (a)1.8188969549 AU ± 3.24e-09
Inclination (i)8.91393197° ± 6.25e-06
Long. of Asc. Node (Ω)269.95966586° ± 6.36e-06
Arg. of Perihelion (ω)275.45808233° ± 6.73e-06
Mean Anomaly (M)189.08923919° ± 1.97e-06
Mean Motion (n)0.4017909333°/day ± 1.07e-09
Perihelion dist (q)0.64278678 AU ± 4.29e-08
Aphelion dist (Q)2.99500713 AU ± 4.32e-08
Orbital Period2.45308244 yr ± 6.56e-09
Physical Parameters
H (abs. magnitude)19.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.338″
Uncertainty0
Orbit TypeApollo
MOID0.005064 AU
Observations Used285
Oppositions14
Arc Total1999-2022
First Observation Used1999-12-12
Last Observation Used2022-08-01
Observations (308)
Date Type RA Dec Mag Band Observatory
2000-01-06 04:10:37 C 01 53 08.91 +01 48 50.1 18.7 a 704
2000-01-06 04:31:37 C 01 52 57.76 +01 46 34.9 18.8 a 704
2000-01-06 04:52:39 C 01 52 46.49 +01 44 18.6 18.8 a 704
2000-01-09 01:49:03 C 01 15 35.36 -05 54 28.9 17.6 a 704
2000-01-09 02:10:47 C 01 15 22.89 -05 56 55.6 17.8 a 704
2000-01-09 02:35:33 C 01 15 08.72 -05 59 42.6 17.8 a 704
2000-01-09 02:57:09 C 01 14 56.35 -06 02 08.8 17.9 a 704
2000-01-09 03:18:50 C 01 14 43.99 -06 04 35.0 18.0 a 704
2012-07-08 13:55:48 C 17 59 23.62 -08 22 28.1 r E12
2012-07-08 14:15:17 C 17 59 24.33 -08 22 34.5 r E12
2012-07-08 14:35:07 C 17 59 25.07 -08 22 41.2 r E12
2012-07-08 14:54:35 C 17 59 25.78 -08 22 47.9 r E12
2012-07-08 16:23:44 C 17 59 29.24 -08 23 16.4 r E12
2012-07-08 16:26:10 C 17 59 29.33 -08 23 17.2 r E12
2012-07-08 16:53:32 C 17 59 30.47 -08 23 26.2 r E12
2012-07-08 17:35:51 C 17 59 32.28 -08 23 39.9 r E12
2012-07-08 20:59:03 C 17 59 45.43 -08 25 51.9 u 104
2012-07-08 21:04:13 C 17 59 45.61 -08 25 53.6 u 104
2012-07-08 21:07:56 C 17 59 45.61 -08 25 55.8 u 595
2012-07-08 21:09:21 C 17 59 45.82 -08 25 55.4 u 104
2012-07-08 21:12:25 C 17 59 45.79 -08 25 57.5 u 595
2012-07-08 21:30:48 C 17 59 47.03 -08 26 02.6 v I93
2012-07-08 21:34:53 C 17 59 47.39 -08 26 00.4 o I89
2012-07-08 21:42:24 C 17 59 46.81 -08 26 10.5 u C43
2012-07-08 21:45:38 C 17 59 47.78 -08 26 04.0 o I89
2012-07-08 21:50:15 C 17 59 47.14 -08 26 12.4 u C43
2012-07-08 21:51:33 C 17 59 47.15 -08 26 12.9 u C43
2012-07-08 21:52:40 C 17 59 47.84 -08 26 10.0 v I93
2012-07-08 21:53:10 C 17 59 47.26 -08 26 13.5 u C43
2012-07-08 21:55:00 C 17 59 47.32 -08 26 14.2 u C43
2012-07-08 21:56:38 C 17 59 47.40 -08 26 14.7 u C43
2012-07-08 21:58:04 C 17 59 47.44 -08 26 15.3 u C43
2012-07-08 21:59:23 C 17 59 47.52 -08 26 15.9 u C43
2012-07-08 22:00:40 C 17 59 47.55 -08 26 16.1 u C43
2012-07-08 22:01:59 C 17 59 47.59 -08 26 16.3 u C43
2012-07-08 22:02:38 C 17 59 47.64 -08 26 16.7 u C43
2012-07-08 22:04:20 C 17 59 47.68 -08 26 17.3 u C43
2012-07-08 22:08:49 C 17 59 47.80 -08 26 18.0 u C43
2012-07-08 22:11:06 C 17 59 47.88 -08 26 21.2 u C43
2012-07-08 22:16:17 C 17 59 48.72 -08 26 18.0 v I93
2012-07-08 22:35:19 C 17 59 49.59 -08 26 22.2 u I76
2012-07-08 22:37:06 C 17 59 49.66 -08 26 22.7 u I76
2012-07-08 22:38:53 C 17 59 49.74 -08 26 23.7 u I76
2012-07-08 22:40:39 C 17 59 49.78 -08 26 24.0 u I76
2012-07-08 22:42:24 C 17 59 49.85 -08 26 24.5 u I76
2012-07-08 22:44:11 C 17 59 49.89 -08 26 25.2 u I76
2012-07-08 22:54:10 C 17 59 49.73 -08 26 31.3 v 204
2012-07-08 23:00:10 C 17 59 49.95 -08 26 33.4 v 204
2012-07-08 23:06:11 C 17 59 50.16 -08 26 35.4 v 204
2012-07-08 23:29:57 C 17 59 51.42 -08 26 42.3 u 958