499998 (2011 PT)

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2165699667 ± 7.46e-09
Semi-major axis (a)1.3158664278 AU ± 7.84e-09
Inclination (i)2.22073019° ± 8.01e-07
Long. of Asc. Node (Ω)70.54266543° ± 2.00e-05
Arg. of Perihelion (ω)299.59466805° ± 2.38e-05
Mean Anomaly (M)139.56062529° ± 1.17e-05
Mean Motion (n)0.6529720110°/day ± 5.84e-09
Perihelion dist (q)1.03088928 AU ± 1.16e-08
Aphelion dist (Q)1.60084358 AU ± 1.37e-08
Orbital Period1.50944645 yr ± 1.35e-08
NGA Modelr2
A2-2.39509497e-13 ± 2.28e-14 AU/d²
Physical Parameters
H (abs. magnitude)24.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.265″
Uncertainty0
Orbit TypeAmor
MOID0.044586 AU
Observations Used195
Oppositions2
Arc Total2011-2017
First Observation Used2011-08-01
Last Observation Used2017-11-17
Observations (200)
Date Type RA Dec Mag Band Observatory
2017-07-14 02:38:24 C 19 52 08.40 -30 37 38.3 U W85
2017-08-16 01:01:55 C 19 17 47.84 -42 31 14.0 U W86
2017-08-16 01:05:18 C 19 17 47.68 -42 31 16.9 U W86
2017-08-16 01:08:42 C 19 17 47.49 -42 31 19.9 U W86
2017-08-16 01:12:05 C 19 17 47.33 -42 31 22.8 U W86
2017-08-16 01:15:29 C 19 17 47.16 -42 31 25.9 U W86
2017-08-16 01:18:52 C 19 17 47.01 -42 31 28.9 U W86
2017-08-16 01:22:16 C 19 17 46.82 -42 31 32.0 U W86
2017-08-16 01:25:39 C 19 17 46.65 -42 31 35.0 U W86
2017-08-16 01:29:02 C 19 17 46.49 -42 31 38.0 U W86
2017-08-27 06:51:14 C 19 17 10.509 -45 58 58.49 L F51
2017-08-27 07:04:10 C 19 17 10.417 -45 59 07.89 L F51
2017-08-27 07:17:05 C 19 17 10.305 -45 59 17.23 L F51
2017-08-27 07:29:58 C 19 17 10.195 -45 59 26.14 L F51
2017-09-11 21:40:10 C 19 45 51.09 -49 47 44.3 U K91
2017-09-11 21:47:23 C 19 45 51.87 -49 47 46.3 U K91
2017-09-11 21:53:09 C 19 45 52.51 -49 47 48.2 U K91
2017-09-11 21:58:55 C 19 45 53.14 -49 47 50.0 U K91
2017-09-11 22:04:40 C 19 45 53.75 -49 47 51.4 U K91
2017-09-13 22:43:18 C 19 52 55.98 -50 10 01.5 U K91
2017-09-13 22:45:56 C 19 52 56.32 -50 10 02.0 U K91
2017-09-13 22:48:34 C 19 52 56.64 -50 10 02.5 U K91
2017-09-13 22:51:12 C 19 52 57.02 -50 10 02.9 U K91
2017-09-13 22:53:50 C 19 52 57.39 -50 10 03.2 U K91
2017-09-13 22:56:28 C 19 52 57.73 -50 10 03.7 U K91
2017-09-13 22:59:06 C 19 52 58.08 -50 10 04.1 U K91
2017-09-13 23:01:44 C 19 52 58.44 -50 10 04.6 U K91
2017-09-13 23:04:22 C 19 52 58.79 -50 10 05.0 U K91
2017-09-13 23:06:59 C 19 52 59.12 -50 10 05.4 U K91
2017-09-13 23:09:37 C 19 52 59.49 -50 10 05.9 U K91
2017-09-13 23:12:15 C 19 52 59.83 -50 10 06.2 U K91
2017-10-26 04:56:08 C 00 45 53.23 -21 54 21.5 U 703
2017-10-26 05:04:00 C 00 45 54.77 -21 53 52.0 U 703
2017-10-26 05:11:49 C 00 45 56.33 -21 53 20.9 U 703
2017-10-26 05:19:36 C 00 45 57.90 -21 52 50.6 U 703
2017-10-29 04:13:59 C 01 01 31.36 -17 16 31.6 U 703
2017-10-29 04:55:34 C 01 01 38.50 -17 13 51.9 U 703
2017-11-06 09:12:29 C 01 36 10.171 -05 50 10.45 L F51
2017-11-06 09:33:48 C 01 36 12.681 -05 49 04.71 L F51
2017-11-06 09:55:09 C 01 36 15.204 -05 47 58.72 L F51
2017-11-13 07:59:45 C 01 58 03.959 +01 44 07.84 L F51
2017-11-13 08:18:48 C 01 58 05.665 +01 44 53.06 L F51
2017-11-17 06:20:02 C 02 08 16.70 +05 11 10.9 U G96
2017-11-17 06:27:34 C 02 08 17.31 +05 11 26.2 U G96
2017-11-17 06:35:02 C 02 08 17.92 +05 11 41.5 U G96
2017-11-17 06:42:35 C 02 08 18.52 +05 11 56.5 U G96
2017-11-17 09:28:21 C 02 08 35.707 +05 17 48.21 L F51
2017-11-17 09:46:00 C 02 08 37.097 +05 18 23.65 L F51
2017-11-17 10:03:50 C 02 08 38.508 +05 18 59.41 L F51
2017-11-17 10:21:26 C 02 08 39.915 +05 19 34.68 L F51