503274 (2015 QE9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2485171093 ± 4.67e-07
Semi-major axis (a)1.5926682098 AU ± 7.23e-09
Inclination (i)11.37147567° ± 1.34e-05
Long. of Asc. Node (Ω)135.91443979° ± 2.10e-05
Arg. of Perihelion (ω)322.00392722° ± 6.08e-05
Mean Anomaly (M)296.46665032° ± 9.76e-05
Mean Motion (n)0.4903704697°/day ± 3.34e-09
Perihelion dist (q)1.19686291 AU ± 7.44e-07
Aphelion dist (Q)1.98847351 AU ± 7.44e-07
Orbital Period2.00996256 yr ± 1.37e-08
Physical Parameters
H (abs. magnitude)19.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.202″
Uncertainty0
Orbit TypeAmor
MOID0.236299 AU
Observations Used132
Oppositions7
Arc Total2011-2025
First Observation Used2011-08-24
Last Observation Used2025-09-15
Observations (144)
Date Type RA Dec Mag Band Observatory
2011-08-24 10:38:28 C 23 17 26.720 -14 58 30.17 L F51
2011-08-24 10:58:35 C 23 17 25.903 -14 58 47.52 L F51
2011-08-24 11:18:42 C 23 17 25.088 -14 59 04.87 L F51
2011-08-24 11:38:49 C 23 17 24.257 -14 59 22.23 L F51
2011-08-26 07:26:00 C 23 15 42.56 -15 37 21.9 o 291
2011-08-26 07:37:11 C 23 15 42.09 -15 37 31.6 o 291
2015-07-24 12:55:50 C 23 05 49.763 -08 16 24.54 L F51
2015-07-24 13:13:47 C 23 05 49.737 -08 16 31.99 L F51
2015-07-24 13:31:41 C 23 05 49.706 -08 16 39.63 L F51
2015-08-21 09:57:55 C 22 51 17.117 -15 29 20.82 L F51
2015-08-21 10:30:01 C 22 51 15.610 -15 29 47.49 L F51
2015-08-21 10:46:02 C 22 51 14.860 -15 30 00.74 L F51
2015-08-22 06:20:21 C 22 50 22.52 -15 46 03.6 t W87
2015-08-22 06:23:21 C 22 50 22.38 -15 46 06.2 t W87
2015-08-22 06:26:21 C 22 50 22.24 -15 46 08.4 t W87
2015-08-22 06:29:20 C 22 50 22.10 -15 46 11.1 t W87
2015-08-22 06:32:19 C 22 50 21.96 -15 46 13.3 t W87
2015-08-22 15:02:31 C 22 49 58.88 -15 53 14.9 t 474
2015-08-22 15:31:01 C 22 49 57.57 -15 53 38.6 t 474
2015-08-22 15:39:08 C 22 49 57.24 -15 53 44.8 t 474
2015-08-22 15:47:31 C 22 49 56.78 -15 53 52.1 t 474
2015-08-22 15:50:32 C 22 49 56.62 -15 53 54.7 t 474
2015-08-23 10:15:20 C 22 49 06.01 -16 09 30.7 o 291
2015-08-23 10:21:33 C 22 49 05.69 -16 09 35.9 o 291
2015-08-23 10:27:47 C 22 49 05.40 -16 09 40.8 o 291
2015-08-23 11:43:01 C 22 49 02.57 -16 10 29.8 t 474
2015-08-23 11:48:05 C 22 49 02.31 -16 10 34.3 t 474
2015-08-23 11:53:09 C 22 49 02.05 -16 10 38.7 t 474
2015-08-24 06:28:33 C 22 48 09.67 -16 26 28.5 u H21
2015-08-24 06:42:56 C 22 48 08.96 -16 26 40.6 u H21
2015-08-24 06:57:52 C 22 48 08.22 -16 26 52.9 u H21
2015-09-04 04:30:35 C 22 34 35.69 -20 05 18.0 q H36
2015-09-04 04:57:46 C 22 34 34.05 -20 05 41.9 q H36
2015-09-04 05:07:46 C 22 34 33.74 -20 05 47.3 o 291
2015-09-04 05:11:26 C 22 34 33.55 -20 05 50.4 o 291
2015-09-04 05:15:05 C 22 34 33.31 -20 05 53.4 o 291
2015-09-30 05:02:06 C 22 06 06.86 -26 18 39.0 o 291
2015-09-30 05:30:51 C 22 06 06.01 -26 18 49.0 o 291
2015-10-05 02:47:33 C 22 03 34.21 -26 52 01.6 u 807
2015-10-05 02:53:13 C 22 03 34.10 -26 52 03.5 u 807
2015-10-05 02:58:55 C 22 03 33.97 -26 52 04.7 u 807
2015-10-16 03:33:52 C 22 02 22.70 -27 26 08.8 o 291
2015-10-16 04:29:15 C 22 02 22.95 -27 26 10.3 o 291
2015-11-01 01:32:08 C 22 11 21.57 -26 49 38.7 u 807
2015-11-01 01:39:44 C 22 11 21.85 -26 49 36.9 u 807
2015-11-01 01:47:20 C 22 11 22.11 -26 49 35.3 u 807
2015-11-06 01:42:31 C 22 16 28.18 -26 20 55.3 u 807
2015-11-06 01:50:12 C 22 16 28.50 -26 20 53.1 u 807
2015-11-06 01:57:54 C 22 16 28.82 -26 20 51.0 u 807
2015-11-06 03:02:18 C 22 16 32.07 -26 20 42.4 o 291