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
2015-11-06 03:08:34 C 22 16 32.35 -26 20 40.5 o 291
2015-11-06 03:14:48 C 22 16 32.58 -26 20 39.4 o 291
2015-11-17 01:40:37 C 22 30 54.77 -24 52 53.5 o 291
2015-11-17 01:59:45 C 22 30 55.94 -24 52 46.7 o 291
2015-11-17 02:16:48 C 22 30 56.88 -24 52 38.9 o 291
2015-12-11 10:14:33 C 23 14 53.61 -19 51 26.2 t 474
2015-12-11 10:24:41 C 23 14 54.50 -19 51 18.1 t 474
2015-12-11 10:34:48 C 23 14 55.28 -19 51 11.9 t 474
2016-02-10 03:46:41 C 01 48 04.24 +00 31 08.9 o 291
2016-02-10 03:53:20 C 01 48 05.06 +00 31 15.8 o 291
2016-02-10 03:59:58 C 01 48 05.74 +00 31 21.8 o 291
2017-07-24 11:46:11 C 22 55 21.726 -08 53 57.68 L F51
2017-07-24 12:01:57 C 22 55 21.602 -08 54 04.88 L F51
2017-07-24 12:17:42 C 22 55 21.467 -08 54 12.02 L F51
2017-07-24 12:33:27 C 22 55 21.344 -08 54 19.03 L F51
2017-08-01 11:50:41 C 22 53 03.878 -10 33 53.80 L F51
2017-08-01 12:07:01 C 22 53 03.524 -10 34 03.40 L F51
2017-08-01 12:23:21 C 22 53 03.174 -10 34 13.02 L F51
2017-08-17 10:20:14 C 22 40 57.937 -15 02 31.95 L F51
2017-08-17 10:51:50 C 22 40 56.455 -15 02 57.23 L F51
2017-08-17 11:07:37 C 22 40 55.712 -15 03 09.78 L F51
2017-08-18 08:39:34 C 22 39 58.13 -15 20 22.9 o 691
2017-08-18 08:47:11 C 22 39 57.71 -15 20 27.9 o 691
2017-08-18 08:54:48 C 22 39 57.39 -15 20 34.8 o 691
2017-09-10 06:38:32 C 22 10 56.15 -22 31 19.4 o 691
2017-09-10 06:48:42 C 22 10 55.62 -22 31 25.5 o 691
2017-09-16 08:37:42 C 22 03 45.364 -24 02 03.56 L F51
2017-09-16 08:54:51 C 22 03 44.511 -24 02 13.21 L F51
2017-09-16 09:11:55 C 22 03 43.669 -24 02 22.83 L F51
2017-09-16 09:29:00 C 22 03 42.835 -24 02 32.39 L F51
2017-09-26 07:20:26 C 21 54 48.106 -25 53 08.22 L F51
2017-09-26 07:37:51 C 21 54 47.533 -25 53 14.44 L F51
2017-09-26 07:55:02 C 21 54 46.993 -25 53 20.75 L F51
2017-10-25 03:18:39 C 21 56 06.64 -27 03 56.0 o 291
2017-10-25 03:34:49 C 21 56 07.14 -27 03 53.6 o 291
2017-10-25 03:51:01 C 21 56 07.58 -27 03 52.2 o 291
2017-11-19 10:14:13 C 22 27 09.42 -24 17 10.7 U 474
2017-11-19 10:24:22 C 22 27 10.11 -24 17 06.6 U 474
2017-11-19 10:34:29 C 22 27 10.73 -24 17 02.0 U 474
2019-07-30 11:39:11 C 22 42 36.417 -10 35 12.45 U F51
2019-07-30 11:55:15 C 22 42 36.053 -10 35 21.52 U F51
2019-07-30 12:11:18 C 22 42 35.666 -10 35 30.81 U F51
2019-07-30 12:27:21 C 22 42 35.305 -10 35 39.85 U F51
2019-08-22 09:48:40 C 22 21 40.91 -17 06 38.1 V G96
2019-08-22 09:56:50 C 22 21 40.47 -17 06 44.2 V G96
2019-08-22 10:05:01 C 22 21 40.01 -17 06 51.1 V G96
2019-08-22 10:13:11 C 22 21 39.57 -17 06 57.2 V G96
2021-07-09 13:22:46 C 22 35 51.335 -07 43 07.18 U F51
2021-07-09 13:39:55 C 22 35 51.451 -07 43 11.65 U F51
2021-07-09 13:57:04 C 22 35 51.509 -07 43 15.89 U F51