1999 XK136

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7028229981 ± 7.05e-08
Semi-major axis (a)2.3836642260 AU ± 2.06e-08
Inclination (i)2.66089919° ± 1.45e-05
Long. of Asc. Node (Ω)63.32358303° ± 1.18e-04
Arg. of Perihelion (ω)302.90696679° ± 1.17e-04
Mean Anomaly (M)34.04067331° ± 1.64e-05
Mean Motion (n)0.2678210191°/day ± 3.48e-09
Perihelion dist (q)0.70837019 AU ± 1.68e-07
Aphelion dist (Q)4.05895826 AU ± 1.72e-07
Orbital Period3.68016777 yr ± 4.78e-08
Physical Parameters
H (abs. magnitude)20.56
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.491″
Uncertainty0
Orbit TypeApollo
MOID0.011308 AU
Observations Used147
Oppositions17
Arc Total1999-2022
First Observation Used1999-12-10
Last Observation Used2022-01-31
Observations (156)
Date Type RA Dec Mag Band Observatory
1999-12-10 08:44:32 C 09 23 45.72 +29 18 23.5 16.8 a 704
1999-12-10 09:05:45 C 09 23 16.01 +29 19 58.8 16.4 a 704
1999-12-10 09:26:47 C 09 22 46.60 +29 21 32.4 16.2 a 704
1999-12-10 09:47:53 C 09 22 17.16 +29 23 04.9 16.5 a 704
1999-12-12 10:33:56 C 08 28 19.17 +31 27 25.8 16.3 a 704
1999-12-12 11:03:12 C 08 27 52.28 +31 28 03.0 16.3 a 704
1999-12-12 11:27:55 C 08 27 29.69 +31 28 33.5 16.3 a 704
1999-12-12 11:53:24 C 08 27 06.55 +31 29 04.1 16.3 a 704
1999-12-12 12:19:58 C 08 26 42.50 +31 29 34.8 16.7 a 704
1999-12-13 03:00:33 C 08 14 42.28 +31 44 15.4 557
1999-12-13 03:01:24 C 08 14 41.74 +31 44 16.0 557
1999-12-13 03:03:59 C 08 14 39.59 +31 44 18.0 557
1999-12-13 05:01:38 C 08 13 18.62 +31 45 49.5 z 719
1999-12-13 05:06:19 C 08 13 14.73 +31 45 54.3 z 719
1999-12-13 05:50:53 C 08 12 40.52 +31 46 36.1 z 719
1999-12-13 05:56:00 C 08 12 36.72 +31 46 41.1 z 719
1999-12-13 06:21:52 C 08 12 17.24 +31 47 03.1 17.1 678
1999-12-13 06:27:46 C 08 12 12.73 +31 47 08.6 17.0 678
1999-12-13 06:34:05 C 08 12 07.93 +31 47 14.5 17.0 678
1999-12-13 08:13:37 C 08 10 51.00 +31 48 41.7 16.4 a 704
1999-12-13 08:35:01 C 08 10 34.61 +31 48 58.0 16.5 a 704
1999-12-13 08:56:16 C 08 10 18.37 +31 49 13.8 16.6 a 704
1999-12-13 09:17:47 C 08 10 01.97 +31 49 29.4 16.7 a 704
1999-12-13 09:39:02 C 08 09 45.81 +31 49 44.2 16.5 a 704
1999-12-13 11:38:53 C 08 08 17.01 +31 50 59.9 i 670
1999-12-13 11:46:53 C 08 08 10.98 +31 51 04.4 i 670
1999-12-13 21:43:52 C 08 01 27.28 +31 55 39.2 557
1999-12-13 21:45:44 C 08 01 26.09 +31 55 39.7 557
1999-12-13 21:46:40 C 08 01 25.47 +31 55 39.7 557
1999-12-14 01:27:47 C 07 58 57.24 +31 57 31.1 118
1999-12-14 01:29:00 C 07 58 56.43 +31 57 31.5 118
1999-12-14 01:31:16 C 07 58 54.94 +31 57 32.3 118
1999-12-14 01:32:20 C 07 58 54.21 +31 57 32.7 118
1999-12-14 04:24:20 C 07 57 12.15 +31 58 22.8 z 719
1999-12-14 04:33:36 C 07 57 06.08 +31 58 26.5 z 719
1999-12-14 08:43:18 C 07 54 27.93 +32 00 16.5 16.7 a 704
1999-12-14 09:04:45 C 07 54 14.39 +32 00 23.4 17.0 a 704
1999-12-14 09:08:44 C 07 54 13.07 +32 00 21.7 i 670
1999-12-14 09:26:06 C 07 54 00.93 +32 00 28.9 16.5 a 704
1999-12-14 09:47:27 C 07 53 47.52 +32 00 34.4 16.7 a 704
1999-12-14 10:08:44 C 07 53 34.20 +32 00 39.8 16.7 a 704
1999-12-14 12:10:55 C 07 52 19.87 +32 01 04.7 i 670
1999-12-14 12:15:00 C 07 52 17.33 +32 01 04.8 i 670
1999-12-14 20:51:00 C 07 47 31.77 +32 01 58.2 d 611
1999-12-14 21:01:20 C 07 47 26.13 +32 02 00.5 d 611
1999-12-15 03:20:33 C 07 43 55.91 +32 02 54.7 557
1999-12-15 03:21:42 C 07 43 55.29 +32 02 54.5 557
1999-12-15 03:22:45 C 07 43 54.77 +32 02 54.6 557
1999-12-15 03:23:19 C 07 43 54.46 +32 02 57.2 c 046
1999-12-15 03:30:18 C 07 43 50.65 +32 02 57.0 c 046