85989 (1999 JD6)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6328567975 ± 2.00e+00
Semi-major axis (a)0.8830640064 AU ± 3.00e+00
Inclination (i)17.06723520° ± 4.00e+00
Long. of Asc. Node (Ω)130.14381238° ± 5.00e+00
Arg. of Perihelion (ω)309.26133919° ± 6.00e+00
Mean Anomaly (M)93.49674384° ± 1.28e-05
Mean Motion (n)1.1877471614°/day ± 6.05e+00
Perihelion dist (q)0.32421095 AU ± 2.08e+00
Aphelion dist (Q)1.44191707 AU ± 5.21e+00
Orbital Period0.82982836 yr ± 4.23e+00
NGA Modelr2
A2-6.89086563e-08 AU/d²
Physical Parameters
H (abs. magnitude)17.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.280″
Uncertainty0
Orbit TypeAten
MOID0.048426 AU
Observations Used3582
Gaia Obs Used27
Oppositions5
Arc Total1990-2025
First Observation Used1990-06-22
Last Observation Used2025-07-13
Observations (3862)
Date Type RA Dec Mag Band Observatory
2014-06-25 02:32:06 C 16 06 11.31 +15 11 13.6 q I15
2014-06-25 02:34:42 C 16 06 10.98 +15 11 11.0 q I15
2014-07-01 04:42:30 C 15 50 14.96 +12 44 13.4 q H45
2014-07-01 04:44:40 C 15 50 14.77 +12 44 11.2 q H45
2014-07-01 04:46:46 C 15 50 14.56 +12 44 09.0 q H45
2014-07-01 04:48:28 C 15 50 14.39 +12 44 07.2 q H45
2014-07-01 04:49:56 C 15 50 14.24 +12 44 05.7 q H45
2014-07-01 04:51:29 C 15 50 14.07 +12 44 04.1 q H45
2014-07-01 06:28:49 C 15 50 04.59 +12 42 23.7 q 703
2014-07-01 06:39:32 C 15 50 03.52 +12 42 12.6 q 703
2014-07-01 06:50:14 C 15 50 02.44 +12 42 00.8 q 703
2014-07-01 07:00:55 C 15 50 01.43 +12 41 49.8 q 703
2014-07-02 22:06:02 C 15 46 23.29 +12 00 49.1 q 160
2014-07-02 22:09:03 C 15 46 23.01 +12 00 46.0 q 160
2014-07-02 22:12:04 C 15 46 22.73 +12 00 42.6 q 160
2014-07-03 22:13:52 C 15 44 15.98 +11 35 21.1 q 160
2014-07-03 22:16:52 C 15 44 15.78 +11 35 16.7 q 160
2014-07-06 02:22:34 C 15 40 00.63 +10 39 55.1 q I15
2014-07-06 02:28:49 C 15 40 00.12 +10 39 47.9 q I15
2014-07-06 02:35:03 C 15 39 59.64 +10 39 41.9 q I15
2014-07-11 03:06:34 C 15 31 45.66 +08 31 05.8 u H21
2014-07-11 03:10:31 C 15 31 45.42 +08 31 01.5 u H21
2014-07-11 03:14:43 C 15 31 45.15 +08 30 56.9 u H21
2014-07-15 22:35:27 C 15 25 48.39 +06 29 03.0 q 160
2014-07-15 22:38:25 C 15 25 48.27 +06 28 59.4 q 160
2014-07-15 22:41:26 C 15 25 48.11 +06 28 56.0 q 160
2014-07-16 21:30:09 C 15 24 50.15 +06 05 06.1 q 160
2014-07-16 21:33:11 C 15 24 50.02 +06 05 03.1 q 160
2014-07-16 21:36:13 C 15 24 49.91 +06 04 59.9 q 160
2014-07-17 20:07:10 C 15 23 56.53 +05 41 35.4 q 160
2014-07-17 20:10:09 C 15 23 56.39 +05 41 30.5 q 160
2014-07-18 02:24:38 C 15 23 42.28 +05 35 03.7 u H21
2014-07-18 02:29:28 C 15 23 42.04 +05 34 59.1 u H21
2014-07-18 02:34:00 C 15 23 41.83 +05 34 54.5 u H21
2014-07-18 02:38:50 C 15 23 41.68 +05 34 49.3 u H21
2014-07-18 20:31:29 C 15 23 02.59 +05 16 18.5 q 160
2014-07-18 20:34:28 C 15 23 02.49 +05 16 15.3 q 160
2014-07-18 20:37:25 C 15 23 02.38 +05 16 12.6 q 160
2014-08-04 01:49:48 S 15 17 09.24 -01 05 42.5 L C51
2014-08-08 16:20:09 S 15 17 51.62 -02 46 38.9 L C51
2014-08-08 19:29:34 S 15 17 53.57 -02 49 27.3 L C51
2014-08-08 22:38:59 S 15 17 55.64 -02 52 19.2 L C51
2014-08-09 01:48:24 S 15 17 57.67 -02 55 09.4 L C51
2014-08-09 03:23:12 S 15 17 58.70 -02 56 34.7 L C51
2014-08-09 04:57:49 S 15 17 59.74 -02 57 59.0 L C51
2014-08-09 06:32:37 S 15 18 00.80 -02 59 23.2 L C51
2014-08-09 08:07:14 S 15 18 01.87 -03 00 48.6 L C51
2014-08-09 08:07:25 S 15 18 01.89 -03 00 48.7 L C51
2014-08-09 09:42:02 S 15 18 02.95 -03 02 12.9 L C51
2014-08-09 12:51:28 S 15 18 05.14 -03 05 02.8 L C51
Radar Observations (15)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2010-07-25 23:57:00 24147.172 0.76 Hz 2380 -1 -1
2015-07-15 06:38:00 125503251.12 0.79 us 2380 -1 -1
2015-07-23 03:21:00 53986569.23 0.66 us 8560 -14 -14
2015-07-23 06:28:00 53319673.64 0.62 us 8560 -14 -14
2015-07-24 23:58:00 58503.203 1 Hz 8560 -14 -14
2015-07-25 00:39:00 48341993.44 0.62 us 8560 -14 -14
2015-07-27 23:36:00 58257478.69 1.17 us 8560 -14 -14
2015-07-28 23:01:00 -795663.707 2 Hz 8560 -14 -14
2015-07-29 01:21:00 66176190.42 0.79 us 8560 -14 -14
2015-07-29 17:29:00 -240761.688 0.31 Hz 2380 -1 -1
2015-07-29 18:14:00 72104690.28 0.61 us 2380 -1 -1
2015-07-30 17:25:00 80974186.48 0.64 us 2380 -1 -1
2015-07-31 17:26:00 90816962.05 0.64 us 2380 -1 -1
2015-08-02 17:50:00 112047864.21 0.79 us 2380 -1 -1
2015-08-04 17:20:00 134129332.19 2 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)