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
1999-12-15 03:33:14 C 07 43 49.08 +32 02 56.8 c 046
1999-12-15 03:34:23 C 07 43 48.48 +32 02 56.8 c 046
1999-12-15 07:18:55 C 07 41 58.44 +32 03 30.3 z 719
1999-12-15 07:23:34 C 07 41 55.89 +32 03 31.6 z 719
1999-12-15 08:03:42 C 07 41 34.62 +32 03 36.6 18.4 a 704
1999-12-15 08:27:14 C 07 41 22.19 +32 03 38.3 16.9 a 704
1999-12-15 08:50:02 C 07 41 10.18 +32 03 39.7 16.9 a 704
1999-12-15 09:02:48 C 07 41 04.68 +32 03 38.2 i 670
1999-12-15 09:35:06 C 07 40 46.42 +32 03 41.1 16.7 a 704
1999-12-15 09:39:49 C 07 40 43.96 +32 03 40.5 17.1 a 704
1999-12-15 09:47:25 C 07 40 41.23 +32 03 40.5 i 670
1999-12-15 10:02:21 C 07 40 32.17 +32 03 40.4 17.5 a 704
1999-12-15 10:24:15 C 07 40 20.76 +32 03 39.8 17.7 a 704
1999-12-15 10:46:04 C 07 40 09.47 +32 03 39.0 17.5 a 704
1999-12-15 11:07:47 C 07 39 58.24 +32 03 38.0 18.1 a 704
1999-12-15 12:16:00 C 07 39 24.21 +32 03 34.7 i 670
1999-12-15 14:23:43 C 07 38 28.72 +32 03 32.5 z 355
1999-12-15 14:29:06 C 07 38 26.00 +32 03 33.4 z 355
1999-12-15 14:31:56 C 07 38 24.44 +32 03 33.3 z 355
1999-12-16 12:54:19 C 07 28 28.86 +32 01 31.3 z 402
1999-12-16 12:56:07 C 07 28 28.06 +32 01 31.2 z 402
1999-12-16 12:59:45 C 07 28 26.53 +32 01 31.0 z 402
1999-12-17 00:52:15 C 07 23 40.98 +31 59 30.9 118
1999-12-17 00:54:06 C 07 23 40.22 +31 59 30.7 118
1999-12-17 00:57:14 C 07 23 39.01 +31 59 30.2 118
1999-12-17 09:37:28 C 07 20 27.99 +31 58 03.2 i 670
1999-12-17 11:12:59 C 07 19 52.04 +31 57 39.8 i 670
1999-12-21 04:54:27 C 06 55 25.09 +31 32 14.3 i 739
1999-12-21 04:59:33 C 06 55 23.98 +31 32 13.9 i 739
1999-12-21 05:04:50 C 06 55 22.77 +31 32 11.5 i 739
1999-12-21 07:30:45 C 06 54 51.78 +31 31 35.7 i 670
1999-12-21 08:52:11 C 06 54 33.56 +31 31 10.4 i 670
1999-12-21 09:32:03 C 06 54 24.68 +31 30 57.9 i 670
1999-12-21 23:53:14 C 06 51 34.54 +31 26 17.6 118
1999-12-22 00:02:26 C 06 51 32.64 +31 26 14.8 118
1999-12-27 14:26:07 C 06 32 25.58 +30 46 44.0 z 402
1999-12-27 14:27:56 C 06 32 25.41 +30 46 43.5 z 402
1999-12-27 14:29:45 C 06 32 25.19 +30 46 43.2 z 402
1999-12-30 16:49:35 C 06 25 37.07 +30 27 37.4 413
1999-12-30 16:54:46 C 06 25 36.62 +30 27 35.5 413
1999-12-30 16:57:50 C 06 25 36.36 +30 27 34.0 413
2000-01-02 06:15:37 C 06 21 21.31 +30 12 11.3 19.1 a 704
2000-01-02 06:46:24 C 06 21 19.15 +30 12 03.1 19.7 a 704
2000-01-02 07:15:18 C 06 21 17.15 +30 11 56.8 19.7 a 704
2000-01-03 21:41:19 C 06 19 05.93 +30 03 01.0 587
2000-01-03 22:07:59 C 06 19 04.25 +30 02 55.1 587
2000-01-04 14:39:32 C 06 18 13.07 +29 59 18.2 z 402
2000-01-04 14:41:21 C 06 18 12.98 +29 59 18.8 z 402
2000-01-04 14:43:09 C 06 18 12.90 +29 59 18.2 z 402
2000-01-14 22:05:57 C 06 10 56.25 +29 10 56.1 c 046