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
2021-12-22 21:55:11 C 04 39 38.87 +24 28 58.6 o K88
2021-12-22 21:55:35 C 04 39 38.76 +24 28 57.8 o K88
2021-12-23 00:38:08 C 04 38 56.16 +24 22 54.4 V W46
2021-12-23 00:43:05 C 04 38 54.73 +24 22 42.8 V W46
2021-12-23 00:49:01 C 04 38 52.97 +24 22 29.4 V W46
2021-12-23 04:32:18 C 04 37 48.59 +24 13 48.7 Z V41
2021-12-23 04:48:07 C 04 37 43.64 +24 13 13.8 Z V41
2021-12-23 05:03:58 C 04 37 39.00 +24 12 35.2 Z V41
2021-12-23 05:19:47 C 04 37 34.07 +24 11 58.0 Z V41
2021-12-23 05:49:12 C 04 37 25.65 +24 10 50.1 Z V41
2021-12-23 12:04:16 C 04 35 35.23 +23 56 08.3 V T05
2021-12-23 12:17:32 C 04 35 31.25 +23 55 35.1 V T05
2021-12-23 12:18:11 C 04 35 31.06 +23 55 33.5 V T05
2021-12-23 12:25:28 C 04 35 28.85 +23 55 15.3 V T05
2021-12-23 12:30:07 C 04 35 27.46 +23 55 03.5 V T05
2021-12-23 12:34:06 C 04 35 26.26 +23 54 53.7 V T05
2021-12-23 12:45:21 C 04 35 22.87 +23 54 25.3 V T05
2021-12-25 08:49:16 C 04 21 33.87 +21 54 04.7 V T08
2021-12-25 08:53:16 C 04 21 32.44 +21 53 52.7 V T08
2021-12-25 09:10:01 C 04 21 26.49 +21 53 01.1 V T08
2021-12-25 19:43:54 C 04 17 49.52 +21 19 09.9 V G33
2021-12-25 19:45:44 C 04 17 48.85 +21 19 03.8 V G33
2021-12-25 19:47:17 C 04 17 48.27 +21 18 59.3 V G33
2021-12-25 19:48:57 C 04 17 47.69 +21 18 53.8 V G33
2021-12-25 19:50:36 C 04 17 47.07 +21 18 48.5 V G33
2021-12-25 19:52:19 C 04 17 46.46 +21 18 42.9 V G33
2021-12-25 20:04:56 C 04 17 41.90 +21 18 02.1 V G33
2021-12-25 20:06:37 C 04 17 41.27 +21 17 56.7 V G33
2021-12-25 20:08:15 C 04 17 40.67 +21 17 51.5 V G33
2021-12-25 20:09:59 C 04 17 40.05 +21 17 45.8 V G33
2021-12-25 20:11:40 C 04 17 39.46 +21 17 40.4 V G33
2021-12-25 20:13:21 C 04 17 38.84 +21 17 35.0 V G33
2021-12-26 02:37:44 C 04 15 22.67 +20 56 28.9 Z V41
2021-12-26 03:00:21 C 04 15 14.51 +20 55 13.2 Z V41
2021-12-26 03:20:43 C 04 15 06.86 +20 54 05.8 Z V41
2021-12-26 03:38:48 C 04 14 59.86 +20 53 02.8 Z V41
2021-12-27 01:58:30 C 04 06 38.87 +19 33 04.4 V G96
2021-12-27 02:06:02 C 04 06 35.83 +19 32 36.0 V G96
2021-12-27 02:13:33 C 04 06 32.81 +19 32 07.8 V G96
2021-12-27 02:21:03 C 04 06 29.80 +19 31 39.6 V G96
2021-12-27 05:52:22 C 04 05 03.49 +19 18 10.6 V 703
2021-12-27 06:00:48 C 04 05 00.00 +19 17 37.6 V 703
2021-12-27 06:09:13 C 04 04 56.55 +19 17 04.5 V 703
2021-12-27 06:17:36 C 04 04 53.09 +19 16 32.0 V 703
2021-12-27 15:34:36 C 04 01 08.35 +18 39 28.1 V D29
2021-12-27 15:54:58 C 04 00 59.75 +18 38 04.2 V D29
2021-12-27 16:15:20 C 04 00 51.09 +18 36 39.5 V D29
2021-12-28 14:25:38 C 03 51 25.84 +17 00 11.6 V D29
2021-12-28 14:44:44 C 03 51 17.04 +16 58 42.7 V D29
2021-12-28 14:46:00 C 03 51 16.48 +16 58 37.2 V D29