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
2012-07-08 23:39:30 C 17 59 51.78 -08 26 45.2 u 958
2012-07-08 23:48:42 C 17 59 52.08 -08 26 49.1 u 958
2012-07-08 23:58:38 C 17 59 52.47 -08 26 51.5 u 958
2012-07-09 00:08:05 C 17 59 52.81 -08 26 54.7 u 958
2012-07-09 23:01:23 C 18 00 54.71 -08 34 11.3 u I56
2012-07-09 23:21:39 C 18 00 55.38 -08 34 18.1 u I56
2012-07-09 23:41:54 C 18 00 55.92 -08 34 24.2 u I56
2012-07-10 03:14:47 C 18 01 05.64 -08 35 32.8 u I42
2012-07-10 03:16:48 C 18 01 05.70 -08 35 33.7 u I42
2012-07-10 07:15:10 C 18 01 15.18 -08 36 44.5 o G68
2012-07-10 07:30:11 C 18 01 15.63 -08 36 49.1 o G68
2012-07-10 07:43:51 C 18 01 16.05 -08 36 53.1 o G68
2012-07-12 21:13:26 C 18 03 35.70 -08 54 25.0 o C77
2012-07-12 21:20:14 C 18 03 35.84 -08 54 26.6 o C77
2012-07-12 21:36:07 C 18 03 36.23 -08 54 30.7 o C77
2012-07-12 21:45:26 C 18 03 36.52 -08 54 33.2 o C77
2012-07-12 21:54:45 C 18 03 36.75 -08 54 35.8 o C77
2012-07-12 22:04:04 C 18 03 37.01 -08 54 38.0 o C77
2012-07-12 22:13:23 C 18 03 37.23 -08 54 40.5 o C77
2012-07-18 07:15:17 C 18 07 34.08 -09 26 14.3 u H45
2012-07-18 07:18:08 C 18 07 34.13 -09 26 14.4 u H45
2012-07-18 07:19:11 C 18 07 34.14 -09 26 15.0 u H45
2012-07-18 07:23:21 C 18 07 34.26 -09 26 15.8 u H45
2012-07-18 07:25:05 C 18 07 34.32 -09 26 16.2 u H45
2012-07-18 07:26:57 C 18 07 34.33 -09 26 16.5 u H45
2012-08-08 08:16:16 c 18 22 27.668 -11 05 39.64 L F51
2012-08-08 08:31:07 c 18 22 28.099 -11 05 42.02 L F51
2012-08-08 08:46:58 c 18 22 28.557 -11 05 44.62 L F51
2017-02-16 05:39:26 C 02 07 47.209 +09 22 55.05 L F51
2017-02-16 05:46:33 C 02 07 47.466 +09 22 52.05 L F51
2017-02-16 05:53:39 C 02 07 47.741 +09 22 49.40 L F51
2017-07-17 23:00:09 C 21 40 12.08 -00 05 00.8 q 151
2017-07-17 23:04:07 C 21 40 11.70 -00 05 01.8 q 151
2017-07-17 23:07:28 C 21 40 11.37 -00 05 03.2 q 151
2017-07-27 11:08:15 C 21 17 06.864 -01 08 57.19 L F51
2017-07-27 11:26:07 C 21 17 05.045 -01 09 03.16 L F51
2017-07-27 11:43:54 C 21 17 03.230 -01 09 09.12 L F51
2021-12-08 07:21:53 C 05 38 20.48 +30 52 00.0 V G96
2021-12-08 07:29:19 C 05 38 19.74 +30 51 56.7 V G96
2021-12-08 07:36:45 C 05 38 19.00 +30 51 53.5 V G96
2021-12-08 07:44:11 C 05 38 18.25 +30 51 50.3 V G96
2021-12-21 11:07:35 C 04 48 45.46 +25 41 22.7 V T08
2021-12-21 11:10:28 C 04 48 48.77 +25 41 01.5 V D29
2021-12-21 11:12:15 C 04 48 44.22 +25 41 13.5 V T08
2021-12-21 11:20:55 C 04 48 41.98 +25 40 57.0 V T08
2021-12-21 11:33:22 C 04 48 42.92 +25 40 19.7 V D29
2021-12-21 11:38:52 C 04 48 37.28 +25 40 22.7 V T08
2021-12-21 11:56:17 C 04 48 37.06 +25 39 37.2 V D29
2021-12-22 21:54:22 C 04 39 39.10 +24 29 00.8 o K88
2021-12-22 21:54:46 C 04 39 39.01 +24 28 59.8 o K88