2015 XT129

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3475370495 ± 4.23e-08
Semi-major axis (a)1.7093831390 AU ± 6.98e-09
Inclination (i)1.00793729° ± 1.99e-06
Long. of Asc. Node (Ω)330.95063605° ± 6.79e-05
Arg. of Perihelion (ω)151.05596357° ± 7.11e-05
Mean Anomaly (M)146.06314447° ± 1.56e-05
Mean Motion (n)0.4410147880°/day ± 2.70e-09
Perihelion dist (q)1.11530917 AU ± 7.25e-08
Aphelion dist (Q)2.30345711 AU ± 7.29e-08
Orbital Period2.23490529 yr ± 1.37e-08
Physical Parameters
H (abs. magnitude)21.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.278″
Uncertainty0
Orbit TypeAmor
MOID0.131134 AU
Observations Used224
Oppositions6
Arc Total2015-2025
First Observation Used2015-12-06
Last Observation Used2025-02-27
Observations (234)
Date Type RA Dec Mag Band Observatory
2015-12-18 08:35:36 C 09 09 35.11 +20 49 51.6 u H21
2015-12-18 08:42:36 C 09 09 36.16 +20 49 46.9 u H21
2015-12-18 08:48:29 C 09 09 37.09 +20 49 43.0 u H21
2015-12-18 08:54:45 C 09 09 38.03 +20 49 38.6 u H21
2015-12-18 11:11:07 C 09 10 00.00 +20 48 07.5 q 703
2015-12-18 11:19:05 C 09 10 01.16 +20 48 02.8 q 703
2015-12-18 11:28:18 C 09 10 02.62 +20 47 55.6 q I52
2015-12-18 11:34:59 C 09 10 03.67 +20 47 49.9 q 703
2015-12-18 11:52:27 C 09 10 06.35 +20 47 38.7 q I52
2015-12-18 11:58:25 C 09 10 07.29 +20 47 34.4 q I52
2015-12-18 12:05:02 C 09 10 08.27 +20 47 29.7 q I52
2015-12-19 09:25:07 C 09 13 38.80 +20 32 17.7 u H21
2015-12-19 09:31:00 C 09 13 39.69 +20 32 13.6 u H21
2015-12-19 09:36:53 C 09 13 40.58 +20 32 08.9 u H21
2015-12-19 09:42:45 C 09 13 41.51 +20 32 04.6 u H21
2015-12-19 09:49:43 C 09 13 42.59 +20 31 59.7 u H21
2015-12-20 09:30:04 C 09 17 35.55 +20 14 44.3 u H21
2015-12-20 09:35:57 C 09 17 36.47 +20 14 39.8 u H21
2015-12-20 09:43:18 C 09 17 37.58 +20 14 34.4 u H21
2015-12-20 09:52:08 C 09 17 38.95 +20 14 27.9 u H21
2015-12-24 11:53:25 C 09 33 41.667 +18 58 19.13 V F51
2015-12-24 12:30:23 C 09 33 47.283 +18 57 49.59 V F51
2016-01-02 09:27:33 C 10 07 36.18 +15 48 52.5 q I52
2016-01-02 09:34:31 C 10 07 37.19 +15 48 45.7 q I52
2016-01-02 09:39:03 C 10 07 37.82 +15 48 41.7 q I52
2016-01-02 09:43:03 C 10 07 38.38 +15 48 37.7 q I52
2016-01-02 12:47:40 C 10 08 04.49 +15 45 42.8 o 926
2016-01-02 12:57:37 C 10 08 06.00 +15 45 33.7 o 926
2016-01-02 13:10:45 C 10 08 07.83 +15 45 20.2 o 926
2016-01-03 11:42:01 C 10 11 34.51 +15 23 59.4 q I52
2016-01-03 11:47:14 C 10 11 35.20 +15 23 54.2 q I52
2016-01-03 11:52:23 C 10 11 35.92 +15 23 49.0 q I52
2016-01-03 11:58:33 C 10 11 36.78 +15 23 43.5 q I52
2016-01-07 15:56:28 C 10 26 19.889 +13 47 09.78 V F51
2016-01-09 11:44:42 C 10 32 33.434 +13 04 14.86 L F51
2016-01-09 12:01:24 C 10 32 35.558 +13 03 58.78 L F51
2016-01-09 12:18:09 C 10 32 37.685 +13 03 42.67 L F51
2016-01-13 10:07:54 C 10 45 08.75 +11 31 29.5 u H21
2016-01-13 10:14:06 C 10 45 09.48 +11 31 23.5 u H21
2016-01-13 10:20:19 C 10 45 10.22 +11 31 17.1 u H21
2016-01-13 10:26:31 C 10 45 10.95 +11 31 11.1 u H21
2016-01-13 10:30:02 C 10 45 11.37 +11 31 07.9 u H21
2016-01-14 09:46:17 C 10 48 09.41 +11 08 28.3 u H21
2016-01-14 09:52:30 C 10 48 10.12 +11 08 22.0 u H21
2016-01-14 10:00:20 C 10 48 11.04 +11 08 14.3 u H21
2016-01-19 10:54:59 C 11 02 33.110 +09 13 06.49 L F51
2016-01-19 11:11:45 C 11 02 34.795 +09 12 51.20 L F51
2016-01-19 11:28:47 C 11 02 36.480 +09 12 35.57 L F51
2016-01-22 16:01:49 C 11 10 38.700 +08 02 41.88 V F51
2016-02-05 11:50:40 C 11 36 07.531 +03 47 17.53 L F51