477885 (2011 JT9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5185451094 ± 4.29e-08
Semi-major axis (a)2.6951360659 AU ± 1.24e-08
Inclination (i)19.05131166° ± 4.05e-06
Long. of Asc. Node (Ω)118.94512835° ± 8.01e-06
Arg. of Perihelion (ω)185.31023648° ± 1.22e-05
Mean Anomaly (M)69.13277656° ± 3.51e-06
Mean Motion (n)0.2227620637°/day ± 1.53e-09
Perihelion dist (q)1.29758644 AU ± 1.16e-07
Aphelion dist (Q)4.09268569 AU ± 1.17e-07
Orbital Period4.42456973 yr ± 3.05e-08
Physical Parameters
H (abs. magnitude)17.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.316″
Uncertainty0
Orbit TypeAmor
MOID0.281108 AU
Observations Used817
Oppositions14
Arc Total2007-2025
First Observation Used2007-11-11
Last Observation Used2025-12-15
Observations (1102)
Date Type RA Dec Mag Band Observatory
2011-05-13 07:59:17 C 14 16 28.58 +23 46 37.5 c H06
2011-05-14 05:10:20 C 14 15 31.46 +23 46 48.9 r G96
2011-05-14 05:20:27 C 14 15 30.96 +23 46 48.9 r G96
2011-05-14 05:30:33 C 14 15 30.49 +23 46 48.9 r G96
2011-05-14 05:40:31 C 14 15 29.98 +23 46 48.8 r G96
2011-07-18 03:56:38 C 14 10 40.42 +08 14 08.2 c H06
2011-07-18 04:00:59 C 14 10 40.61 +08 14 03.6 c H06
2011-07-18 04:05:19 C 14 10 40.79 +08 13 59.3 c H06
2015-01-15 05:40:05 C 11 59 25.78 +16 34 34.0 t 950
2015-01-15 05:42:51 C 11 59 25.75 +16 34 35.1 t 950
2015-01-15 05:45:39 C 11 59 25.77 +16 34 35.6 t 950
2015-01-15 05:48:28 C 11 59 25.80 +16 34 36.1 t 950
2015-01-15 05:51:16 C 11 59 25.77 +16 34 37.7 t 950
2015-01-15 05:54:03 C 11 59 25.77 +16 34 37.8 t 950
2015-02-23 08:52:17 C 11 45 56.749 +22 33 53.66 L F51
2015-02-23 09:10:23 C 11 45 56.164 +22 34 01.57 L F51
2015-02-23 09:28:29 C 11 45 55.562 +22 34 09.39 L F51
2015-02-23 09:46:38 C 11 45 54.977 +22 34 17.46 L F51
2015-03-16 11:18:51 C 11 27 06.063 +25 52 03.23 L F51
2015-03-16 11:34:04 C 11 27 05.409 +25 52 08.08 L F51
2015-03-16 12:04:36 C 11 27 04.166 +25 52 17.81 L F51
2015-03-17 11:26:37 C 11 26 07.528 +25 59 49.42 L F51
2015-03-17 12:56:26 C 11 26 03.833 +26 00 17.74 L F51
2016-10-09 14:14:43 C 05 08 50.219 -01 31 44.88 L F51
2016-10-09 14:29:00 C 05 08 50.062 -01 31 48.21 L F51
2016-10-09 14:43:16 C 05 08 49.909 -01 31 51.34 L F51
2016-10-09 14:57:33 C 05 08 49.760 -01 31 54.63 L F51
2016-11-03 13:52:10 C 04 53 15.042 -03 20 21.98 L F51
2016-11-03 14:08:29 C 04 53 14.364 -03 20 23.72 L F51
2016-11-03 14:24:47 C 04 53 13.677 -03 20 25.43 L F51
2016-11-03 14:41:05 C 04 53 13.007 -03 20 27.13 L F51
2020-04-21 10:27:44 C 17 01 20.92 +12 34 40.8 V 703
2020-04-21 10:35:20 C 17 01 21.08 +12 34 43.9 V 703
2020-04-21 10:42:56 C 17 01 21.26 +12 34 46.8 V 703
2020-04-21 10:50:33 C 17 01 21.36 +12 34 50.9 V 703
2020-04-22 12:56:36 C 17 01 59.70 +12 47 53.2 V T08
2020-04-22 13:00:52 C 17 01 59.80 +12 47 55.9 V T08
2020-04-22 13:01:31 C 17 01 59.81 +12 47 55.1 V T08
2020-04-22 13:37:46 C 17 02 00.58 +12 48 13.9 V T08
2020-04-23 11:25:28 C 17 02 31.251 +12 59 01.83 U F52
2020-04-23 11:41:28 C 17 02 31.565 +12 59 09.92 U F52
2020-04-23 11:57:27 C 17 02 31.891 +12 59 17.85 U F52
2020-04-23 12:13:28 C 17 02 32.213 +12 59 25.86 U F52
2020-04-23 14:40:00 C 17 02 35.132 +13 00 38.33 U F52
2020-04-23 14:48:32 C 17 02 35.302 +13 00 42.66 U F52
2020-04-25 09:07:24 C 17 03 30.26 +13 21 30.5 U I41
2020-04-25 10:05:26 C 17 03 31.30 +13 21 59.0 U I41
2020-04-28 09:09:00 C 17 04 50.67 +13 56 20.9 U I41
2020-04-28 11:05:04 C 17 04 52.33 +13 57 16.3 U I41
2020-04-28 11:56:22 C 17 04 53.49 +13 57 42.8 V T05