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
2021-12-28 15:05:05 C 03 51 07.65 +16 57 07.3 V D29
2021-12-28 15:06:22 C 03 51 07.17 +16 57 02.3 V D29
2021-12-29 00:35:47 C 03 46 54.07 +16 11 56.3 V W46
2021-12-29 00:43:22 C 03 46 50.47 +16 11 19.8 V W46
2021-12-29 00:58:08 C 03 46 43.48 +16 10 08.1 V W46
2021-12-29 16:21:39 C 03 39 23.50 +14 52 00.8 V D29
2021-12-29 16:42:01 C 03 39 13.40 +14 50 12.2 V D29
2021-12-29 17:02:22 C 03 39 03.32 +14 48 23.3 V D29
2021-12-29 21:11:14 C 03 37 04.62 +14 26 03.0 V 130
2021-12-29 21:13:32 C 03 37 03.47 +14 25 50.5 V 130
2021-12-29 21:16:16 C 03 37 02.07 +14 25 35.7 V 130
2021-12-29 21:17:59 C 03 37 01.19 +14 25 26.4 V 130
2022-01-03 12:41:12 S 02 30 59.450 +01 17 50.68 L C51
2022-01-03 14:15:16 S 02 29 53.635 +01 04 08.36 L C51
2022-01-04 02:50:22 C 02 20 56.28 -00 48 55.5 V U97
2022-01-04 02:55:54 C 02 20 52.18 -00 49 44.8 V U97
2022-01-04 04:38:22 C 02 19 35.56 -01 05 17.4 V U97
2022-01-04 04:43:54 C 02 19 31.49 -01 06 08.0 V U97
2022-01-04 09:50:04 C 02 15 50.14 -01 52 54.4 q Q21
2022-01-04 09:53:53 C 02 15 47.24 -01 53 29.5 q Q21
2022-01-05 02:50:23 C 02 03 03.50 -04 32 11.2 V U97
2022-01-05 02:55:54 C 02 02 59.23 -04 33 03.5 V U97
2022-01-05 04:22:58 C 02 01 50.40 -04 46 46.2 V 703
2022-01-05 04:31:15 C 02 01 43.86 -04 48 05.1 V 703
2022-01-05 04:38:23 C 02 01 38.38 -04 49 17.1 V U97
2022-01-05 04:39:33 C 02 01 37.33 -04 49 24.3 V 703
2022-01-05 04:43:54 C 02 01 34.06 -04 50 09.4 V U97
2022-01-05 04:47:50 C 02 01 30.80 -04 50 42.4 V 703
2022-01-05 06:35:15 C 02 00 09.43 -05 07 30.1 V T08
2022-01-05 06:39:54 C 02 00 05.72 -05 08 14.6 V T08
2022-01-05 06:54:31 C 01 59 54.09 -05 10 33.8 V T08
2022-01-05 07:04:28 C 01 59 46.17 -05 12 08.6 V T08
2022-01-06 03:17:15 C 01 43 52.84 -08 27 19.7 V 703
2022-01-06 03:25:07 C 01 43 46.35 -08 28 35.3 V 703
2022-01-06 03:32:59 C 01 43 39.85 -08 29 52.0 V 703
2022-01-06 03:40:50 C 01 43 33.39 -08 31 07.8 V 703
2022-01-06 18:36:57 C 01 31 27.92 -10 56 13.6 V K74
2022-01-06 18:38:41 C 01 31 26.46 -10 56 30.5 V K74
2022-01-06 18:40:47 C 01 31 24.67 -10 56 50.4 V K74
2022-01-06 18:49:10 C 01 31 18.05 -10 58 11.3 V G33
2022-01-06 18:52:35 C 01 31 15.18 -10 58 44.0 V G33
2022-01-06 18:55:57 C 01 31 12.38 -10 59 16.2 V G33
2022-01-07 06:19:58 C 01 21 45.55 -12 48 25.8 V T05
2022-01-07 06:25:56 C 01 21 40.40 -12 49 23.6 V T05
2022-01-07 06:35:50 C 01 21 31.95 -12 50 56.6 V T05
2022-01-07 06:51:48 C 01 21 18.23 -12 53 29.9 V T05
2022-01-08 06:15:53 C 01 01 37.55 -16 33 05.6 V T08
2022-01-08 06:20:31 C 01 01 33.47 -16 33 48.2 V T08
2022-01-08 06:29:49 C 01 01 25.35 -16 35 12.6 V T08
2022-01-08 06:44:26 C 01 01 12.62 -16 37 25.6 V T08