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
2011-08-01 11:21:44 C 22 16 17.841 -29 23 51.47 L F51
2011-08-01 11:39:46 C 22 16 19.558 -29 24 07.29 L F51
2011-08-01 11:57:46 C 22 16 21.280 -29 24 22.82 L F51
2011-08-02 10:06:10 C 22 19 02.79 -29 43 27.4 o F65
2011-08-02 10:08:44 C 22 19 03.05 -29 43 29.6 o F65
2011-08-02 10:11:15 C 22 19 03.34 -29 43 32.4 o F65
2011-08-02 10:13:48 C 22 19 03.58 -29 43 34.5 o F65
2011-08-02 10:16:18 C 22 19 03.84 -29 43 37.1 o F65
2011-08-04 05:48:05 C 22 24 29.60 -30 21 10.3 o 807
2011-08-04 05:56:42 C 22 24 30.52 -30 21 17.7 o 807
2011-08-04 06:05:20 C 22 24 31.42 -30 21 25.9 o 807
2011-08-22 07:35:43 C 23 45 36.48 -36 42 49.5 o 807
2011-08-22 07:44:46 C 23 45 38.54 -36 42 55.0 o 807
2011-08-22 07:53:49 C 23 45 40.54 -36 43 00.1 o 807
2011-08-27 16:34:14 C 00 22 25.00 -37 45 28.5 o 474
2011-08-27 16:36:44 C 00 22 25.70 -37 45 28.6 o 474
2011-08-27 16:39:00 C 00 22 26.37 -37 45 29.1 o 474
2011-08-29 11:57:32 C 00 36 16.674 -37 55 15.74 o 568
2011-08-29 11:58:23 C 00 36 16.911 -37 55 15.94 o 568
2011-08-30 15:48:23 C 00 45 22.97 -37 53 23.0 o 474
2011-08-30 15:50:34 C 00 45 23.63 -37 53 22.7 o 474
2011-08-30 15:52:43 C 00 45 24.27 -37 53 22.3 o 474
2011-09-07 06:20:20 C 01 49 39.08 -36 07 40.8 o 807
2011-09-07 06:26:41 C 01 49 41.07 -36 07 34.3 o 807
2011-09-07 06:33:00 C 01 49 43.04 -36 07 27.5 o 807
2011-09-07 06:39:29 C 01 49 45.07 -36 07 20.6 o 807
2011-09-15 04:48:30 C 02 55 33.80 -30 46 11.9 o 807
2011-09-15 05:00:25 C 02 55 37.26 -30 45 48.9 o 807
2011-09-15 05:12:03 C 02 55 40.63 -30 45 26.5 o 807
2011-10-06 08:44:40 C 04 46 46.15 -09 36 58.7 o 807
2011-10-06 08:57:53 C 04 46 47.35 -09 36 27.8 o 807
2011-10-06 09:08:56 C 04 46 48.35 -09 36 01.5 o 807
2011-11-04 05:39:00 C 05 18 54.28 +11 07 19.7 o 807
2011-11-04 05:49:05 C 05 18 53.86 +11 07 33.4 o 807
2011-11-04 05:59:29 C 05 18 53.45 +11 07 47.3 o 807
2011-11-23 04:56:47 C 05 00 21.78 +19 16 18.9 o 691
2011-11-23 05:22:26 C 05 00 19.98 +19 16 41.8 o 691
2011-11-23 05:48:04 C 05 00 18.25 +19 17 04.1 o 691
2011-11-26 04:47:55 C 04 56 23.91 +20 12 13.5 o 691
2011-11-26 05:13:32 C 04 56 22.18 +20 12 33.5 o 691
2011-11-26 05:42:08 C 04 56 20.20 +20 12 56.5 o 691
2011-12-26 03:30:00 C 04 33 48.04 +25 17 33.9 o H21
2011-12-26 04:51:20 C 04 33 47.44 +25 17 49.7 o H21
2014-06-24 03:07:00 C 20 31 51.47 -23 36 07.6 t 950
2014-06-24 03:10:09 C 20 31 51.64 -23 36 08.7 t 950
2014-06-24 03:12:55 C 20 31 51.71 -23 36 09.5 t 950
2014-06-24 03:15:41 C 20 31 51.87 -23 36 10.5 t 950
2014-06-24 03:18:29 C 20 31 51.91 -23 36 12.1 t 950
2014-07-27 10:18:29 C 20 56 00.360 -32 44 01.52 L F51
2014-07-27 10:35:40 C 20 56 00.370 -32 44 20.45 L F51