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
2020-06-03 04:50:35 C 16 59 39.66 +17 11 17.0 u H21
2020-06-03 04:54:04 C 16 59 39.57 +17 11 16.5 u H21
2020-06-03 04:56:49 C 16 59 39.49 +17 11 16.0 u H21
2020-06-03 04:59:23 C 16 59 39.41 +17 11 15.4 u H21
2020-06-03 05:01:54 C 16 59 39.33 +17 11 14.6 u H21
2020-06-03 05:04:26 C 16 59 39.24 +17 11 14.2 u H21
2020-06-03 05:06:57 C 16 59 39.18 +17 11 13.5 u H21
2020-06-03 05:09:58 C 16 59 39.08 +17 11 13.0 u H21
2020-06-03 05:44:15 S 17 00 07.354 +17 06 59.54 V C57
2020-06-03 05:44:15 s 1 -78481.658 0 +388973.54 6410.0 C57
2020-06-03 06:14:15 S 17 00 07.169 +17 06 56.45 V C57
2020-06-03 06:14:15 s 1 -79399.463 0 +388537.73 7890.0 C57
2020-06-03 08:44:15 S 17 00 03.446 +17 06 23.15 V C57
2020-06-03 08:44:15 s 1 -83961.497 0 +386239.25 5370.0 C57
2020-06-03 09:14:15 S 17 00 02.724 +17 06 17.64 V C57
2020-06-03 09:14:15 s 1 -84868.351 0 +385755.62 50.0 C57
2020-06-03 09:44:15 S 17 00 02.206 +17 06 12.42 V C57
2020-06-03 09:44:15 s 1 -85773.303 0 +385264.00 4030.0 C57
2020-06-03 10:14:15 S 17 00 01.661 +17 06 07.52 V C57
2020-06-03 10:14:15 s 1 -86676.330 0 +384764.37 7300.0 C57
2020-06-03 10:44:15 S 17 00 01.236 +17 05 59.24 V C57
2020-06-03 10:44:15 s 1 -87577.408 0 +384256.74 9840.0 C57
2020-06-03 11:14:15 S 17 00 00.449 +17 05 55.43 V C57
2020-06-03 11:14:15 s 1 -88476.515 0 +383741.10 1640.0 C57
2020-06-03 11:44:15 S 16 59 59.633 +17 05 49.63 V C57
2020-06-03 11:44:15 s 1 -89373.628 0 +383217.43 2680.0 C57
2020-06-03 16:44:15 S 16 59 53.251 +17 04 42.92 V C57
2020-06-03 16:44:15 s 1 -98229.937 0 +377537.78 7870.0 C57
2020-06-03 17:14:15 S 16 59 52.466 +17 04 38.53 V C57
2020-06-03 17:14:15 s 1 -99103.559 0 +376925.32 9510.0 C57
2020-06-03 17:44:15 S 16 59 51.634 +17 04 31.44 V C57
2020-06-03 17:44:15 s 1 -99974.899 0 +376304.74 200.0 C57
2020-06-03 18:14:15 S 16 59 51.142 +17 04 25.57 V C57
2020-06-03 18:14:15 s 1 -100843.93 4 +375676.02 9930.0 C57
2020-06-03 19:14:15 S 16 59 49.668 +17 04 12.76 V C57
2020-06-03 19:14:15 s 1 -102574.98 2 +374394.12 6400.0 C57
2020-06-03 19:44:15 S 16 59 49.066 +17 04 08.18 V C57
2020-06-03 19:44:15 s 1 -103436.94 5 +373740.92 3130.0 C57
2020-06-03 23:14:15 S 16 59 44.458 +17 03 22.10 V C57
2020-06-03 23:14:15 s 1 -109401.78 8 +368938.86 280.0 C57
2020-06-04 00:44:15 S 16 59 42.060 +17 03 01.87 V C57
2020-06-04 00:44:15 s 1 -111919.77 0 +366757.14 670.0 C57
2020-06-04 02:14:15 S 16 59 40.147 +17 02 44.84 V C57
2020-06-04 02:14:15 s 1 -114413.65 3 +364500.69 210.0 C57
2020-06-04 03:44:15 S 16 59 37.942 +17 02 23.78 V C57
2020-06-04 03:44:15 s 1 -116882.67 1 +362169.15 8410.0 C57
2020-06-04 04:14:15 S 16 59 37.020 +17 02 14.42 V C57
2020-06-04 04:14:15 s 1 -117700.01 5 +361375.22 5210.0 C57
2020-06-04 04:44:15 S 16 59 36.444 +17 02 07.12 V C57
2020-06-04 04:44:15 s 1 -118514.48 0 +360572.89 680.0 C57