31669 (1999 JT6)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5777928900 ± 1.75e-08
Semi-major axis (a)2.1370956938 AU ± 1.33e-09
Inclination (i)9.53733995° ± 3.17e-06
Long. of Asc. Node (Ω)78.76339551° ± 1.94e-05
Arg. of Perihelion (ω)39.11167217° ± 1.95e-05
Mean Anomaly (M)223.52718329° ± 2.91e-06
Mean Motion (n)0.3154832618°/day ± 2.94e-10
Perihelion dist (q)0.90229700 AU ± 3.74e-08
Aphelion dist (Q)3.37189439 AU ± 3.75e-08
Orbital Period3.12417932 yr ± 2.91e-09
Physical Parameters
H (abs. magnitude)16.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.485″
Uncertainty0
Orbit TypeApollo
MOID0.001407 AU
Observations Used1427
Oppositions20
Arc Total1996-2025
First Observation Used1996-06-12
Last Observation Used2025-08-17
Observations (1984)
Date Type RA Dec Mag Band Observatory
1999-05-13 08:35:50 C 15 30 34.46 -09 17 26.4 z 684
1999-05-13 08:44:25 C 15 30 33.68 -09 17 28.0 18.9 a 704
1999-05-13 08:55:33 C 15 30 32.81 -09 17 28.7 18.3 a 704
1999-05-13 09:17:21 C 15 30 31.27 -09 17 30.7 a 704
1999-05-13 09:39:06 C 15 30 29.44 -09 17 34.4 19.2 a 704
1999-05-13 10:00:48 C 15 30 27.92 -09 17 34.3 18.4 a 704
1999-05-13 10:22:31 C 15 30 26.27 -09 17 37.8 18.5 a 704
1999-05-13 11:55:22 C 15 30 20.17 -09 17 38.4 z 428
1999-05-13 12:02:30 C 15 30 19.72 -09 17 39.1 z 428
1999-05-13 21:46:41 C 15 29 36.68 -09 18 58.5 d 046
1999-05-13 21:50:09 C 15 29 36.43 -09 18 58.7 d 046
1999-05-14 05:23:15 C 15 29 03.47 -09 19 50.7 17.7 a 704
1999-05-14 05:26:13 C 15 29 03.20 -09 19 50.7 z 719
1999-05-14 05:30:45 C 15 29 02.89 -09 19 51.1 z 719
1999-05-14 05:45:04 C 15 29 01.70 -09 19 53.3 17.9 a 704
1999-05-14 06:06:44 C 15 29 00.14 -09 19 55.1 a 704
1999-05-14 06:28:30 C 15 28 58.50 -09 19 57.7 18.4 a 704
1999-05-14 07:08:54 C 15 28 55.53 -09 20 02.6 z 684
1999-05-14 07:10:03 C 15 28 54.70 -09 19 53.6 z 860
1999-05-14 07:12:41 C 15 28 55.14 -09 20 02.0 17.9 a 704
1999-05-14 07:12:44 C 15 28 55.25 -09 20 02.9 z 684
1999-05-14 07:16:58 C 15 28 54.39 -09 19 54.2 z 860
1999-05-14 07:23:12 C 15 28 54.03 -09 19 55.3 z 860
1999-05-14 07:34:24 C 15 28 53.53 -09 20 05.8 17.7 a 704
1999-05-14 07:56:08 C 15 28 51.87 -09 20 07.2 18.0 a 704
1999-05-14 08:17:48 C 15 28 50.37 -09 20 09.8 18.6 a 704
1999-05-14 08:39:30 C 15 28 48.65 -09 20 13.4 18.1 a 704
1999-05-14 09:00:55 C 15 28 47.10 -09 20 15.1 17.8 a 704
1999-05-14 09:32:34 C 15 28 44.76 -09 20 19.3 18.2 a 704
1999-05-14 09:54:58 C 15 28 42.99 -09 20 20.0 18.6 a 704
1999-05-14 10:17:05 C 15 28 41.47 -09 20 23.4 19.1 a 704
1999-05-14 10:39:06 C 15 28 39.80 -09 20 27.5 18.3 a 704
1999-05-14 22:25:45 C 15 27 49.25 -09 21 51.9 557
1999-05-15 05:22:23 C 15 27 19.52 -09 22 40.6 17.9 a 704
1999-05-15 05:44:09 C 15 27 17.90 -09 22 41.6 a 704
1999-05-15 06:05:55 C 15 27 16.33 -09 22 45.7 18.2 a 704
1999-05-15 06:27:51 C 15 27 14.63 -09 22 47.9 18.7 a 704
1999-05-15 06:49:43 C 15 27 13.09 -09 22 51.6 18.7 a 704
1999-05-15 07:33:11 C 15 27 09.77 -09 22 55.8 18.2 a 704
1999-05-15 07:54:56 C 15 27 08.12 -09 22 58.5 19.1 a 704
1999-05-15 08:16:37 C 15 27 06.57 -09 23 01.2 18.4 a 704
1999-05-15 08:38:39 C 15 27 05.04 -09 23 04.3 18.2 a 704
1999-05-15 09:00:19 C 15 27 03.42 -09 23 06.5 17.7 a 704
1999-05-15 09:22:01 C 15 27 01.83 -09 23 07.9 18.1 a 704
1999-05-15 09:43:42 C 15 27 00.26 -09 23 10.8 18.3 a 704
1999-05-15 10:05:28 C 15 26 58.54 -09 23 14.5 18.6 a 704
1999-05-15 10:27:16 C 15 26 56.98 -09 23 16.3 19.3 a 704
1999-05-15 16:14:11 C 15 26 32.41 -09 23 48.4 z 428
1999-05-15 16:20:46 C 15 26 31.95 -09 23 49.2 z 428
1999-05-15 16:33:40 C 15 26 31.14 -09 23 50.0 426