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
2020-05-22 18:14:16 s 1 -156511.02 7 +312376.13 8010.0 C57
2020-05-22 19:44:16 S 17 05 58.997 +17 17 09.53 V C57
2020-05-22 19:44:16 s 1 -158537.35 4 +308682.27 5040.0 C57
2020-05-23 03:44:16 S 17 05 52.486 +17 18 25.92 V C57
2020-05-23 03:44:16 s 1 -168544.46 9 +287504.10 4440.0 C57
2020-05-23 04:14:16 S 17 05 51.953 +17 18 34.63 V C57
2020-05-23 04:14:16 s 1 -169121.71 8 +286096.14 2450.0 C57
2020-05-23 04:44:16 S 17 05 51.559 +17 18 34.85 V C57
2020-05-23 04:44:16 s 1 -169692.90 3 +284678.06 7000.0 C57
2020-05-23 05:14:16 S 17 05 51.180 +17 18 40.03 V C57
2020-05-23 05:14:16 s 1 -170257.95 2 +283249.84 8050.0 C57
2020-05-23 05:44:16 S 17 05 50.506 +17 18 45.72 V C57
2020-05-23 05:44:16 s 1 -170816.79 5 +281811.43 5540.0 C57
2020-05-23 07:25:18 C 17 05 14.96 +17 21 03.4 U I41
2020-05-23 07:44:16 S 17 05 49.222 +17 19 03.25 V C57
2020-05-23 07:44:16 s 1 -172988.62 4 +275955.30 8950.0 C57
2020-05-23 08:03:10 C 17 05 14.23 +17 21 08.2 U I41
2020-05-23 08:07:55 C 17 05 14.16 +17 21 08.8 U I41
2020-05-23 10:05:59 C 17 05 11.90 +17 21 22.9 U I41
2020-05-23 11:44:16 S 17 05 45.485 +17 19 41.95 V C57
2020-05-23 11:44:16 s 1 -177011.11 7 +263743.41 8740.0 C57
2020-05-23 12:14:16 S 17 05 45.046 +17 19 46.02 V C57
2020-05-23 12:14:16 s 1 -177482.21 5 +262169.34 5030.0 C57
2020-05-23 13:14:16 S 17 05 43.802 +17 19 59.45 V C57
2020-05-23 13:14:16 s 1 -178402.30 6 +258989.05 4500.0 C57
2020-05-23 13:33:56 C 17 05 08.403 +17 21 49.90 U F52
2020-05-23 13:49:50 C 17 05 08.097 +17 21 51.60 U F52
2020-05-23 14:05:46 C 17 05 07.797 +17 21 53.32 U F52
2020-05-23 14:21:43 C 17 05 07.495 +17 21 54.97 U F52
2020-05-23 19:14:16 S 17 05 38.338 +17 20 51.76 V C57
2020-05-23 19:14:16 s 1 -183263.31 0 +238989.03 4810.0 C57
2020-05-23 20:14:16 S 17 05 37.447 +17 21 01.44 V C57
2020-05-23 20:14:16 s 1 -183955.76 2 +235499.33 6590.0 C57
2020-05-23 23:44:16 S 17 05 33.818 +17 21 32.40 V C57
2020-05-23 23:44:16 s 1 -186088.88 1 +222923.10 3530.0 C57
2020-05-24 05:14:16 S 17 05 28.366 +17 22 20.75 V C57
2020-05-24 05:14:16 s 1 -188438.35 3 +201987.86 4480.0 C57
2020-05-24 05:44:16 S 17 05 27.727 +17 22 25.14 V C57
2020-05-24 05:44:16 s 1 -188585.42 4 +200011.53 650.0 C57
2020-05-24 06:44:16 S 17 05 26.698 +17 22 32.63 V C57
2020-05-24 06:44:16 s 1 -188843.93 8 +196021.52 260.0 C57
2020-05-24 07:14:16 S 17 05 26.102 +17 22 35.36 V C57
2020-05-24 07:14:16 s 1 -188955.01 3 +194007.72 3430.0 C57
2020-05-24 08:14:16 S 17 05 24.893 +17 22 46.16 V C57
2020-05-24 08:14:16 s 1 -189139.85 1 +189942.22 5830.0 C57
2020-05-24 08:44:16 S 17 05 24.466 +17 22 52.46 V C57
2020-05-24 08:44:16 s 1 -189213.21 9 +187890.41 4790.0 C57
2020-05-24 10:14:16 S 17 05 22.668 +17 23 01.10 V C57
2020-05-24 10:14:16 s 1 -189354.66 2 +181658.01 890.0 C57
2020-05-24 11:21:48 C 17 04 47.35 +17 24 06.9 V T08