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
2015-07-04 07:11:08 C 21 27 45.08 +16 51 13.9 u H21
2015-07-04 07:13:05 C 21 27 45.08 +16 51 16.8 u H21
2015-07-04 07:15:03 C 21 27 45.06 +16 51 19.9 u H21
2015-07-04 07:17:00 C 21 27 45.08 +16 51 23.2 u H21
2015-07-04 07:18:57 C 21 27 45.07 +16 51 26.1 u H21
2015-07-04 07:20:54 C 21 27 45.07 +16 51 29.3 u H21
2015-07-04 07:22:51 C 21 27 45.07 +16 51 32.3 u H21
2015-07-04 07:24:48 C 21 27 45.07 +16 51 35.4 u H21
2015-07-04 07:27:15 C 21 27 45.07 +16 51 39.1 u H21
2015-07-06 00:54:22 C 21 27 59.76 +18 01 22.1 q 160
2015-07-06 00:57:11 C 21 27 59.76 +18 01 27.3 q 160
2015-07-06 01:00:01 C 21 27 59.76 +18 01 32.3 q 160
2015-07-06 06:27:13 C 21 28 01.73 +18 11 28.5 u H21
2015-07-06 06:29:11 C 21 28 01.72 +18 11 32.1 u H21
2015-07-06 06:31:08 C 21 28 01.71 +18 11 35.7 u H21
2015-07-06 06:33:06 C 21 28 01.70 +18 11 39.3 u H21
2015-07-06 06:35:04 C 21 28 01.68 +18 11 43.2 u H21
2015-07-06 06:37:01 C 21 28 01.67 +18 11 46.8 u H21
2015-07-06 06:38:59 C 21 28 01.68 +18 11 50.3 u H21
2015-07-06 06:40:56 C 21 28 01.67 +18 11 54.0 u H21
2015-07-06 06:42:54 C 21 28 01.65 +18 11 57.8 u H21
2015-07-06 06:44:52 C 21 28 01.64 +18 12 01.3 u H21
2015-07-06 06:46:49 C 21 28 01.64 +18 12 04.8 u H21
2015-07-06 06:48:47 C 21 28 01.63 +18 12 08.3 u H21
2015-07-06 06:50:44 C 21 28 01.62 +18 12 12.1 u H21
2015-07-06 06:52:41 C 21 28 01.61 +18 12 15.6 u H21
2015-07-06 06:54:38 C 21 28 01.61 +18 12 19.4 u H21
2015-07-06 06:56:35 C 21 28 01.59 +18 12 22.8 u H21
2015-07-06 06:58:32 C 21 28 01.59 +18 12 26.4 u H21
2015-07-06 07:00:29 C 21 28 01.57 +18 12 30.0 u H21
2015-07-06 07:02:26 C 21 28 01.56 +18 12 33.7 u H21
2015-07-06 07:04:35 C 21 28 01.56 +18 12 37.7 u H21
2015-07-06 08:50:07 C 21 28 01.00 +18 15 52.8 u H21
2015-07-06 08:52:11 C 21 28 00.99 +18 15 56.7 u H21
2015-07-06 08:54:15 C 21 28 00.98 +18 16 00.2 u H21
2015-07-06 08:56:19 C 21 28 00.96 +18 16 04.2 u H21
2015-07-06 08:58:23 C 21 28 00.97 +18 16 08.0 u H21
2015-07-06 09:00:27 C 21 28 00.95 +18 16 11.8 u H21
2015-07-06 09:02:31 C 21 28 00.94 +18 16 15.6 u H21
2015-07-06 09:04:35 C 21 28 00.93 +18 16 19.4 u H21
2015-07-06 09:07:10 C 21 28 00.90 +18 16 24.0 u H21
2015-07-06 21:25:00 C 21 28 05.23 +18 39 33.6 t 073
2015-07-06 21:51:15 C 21 28 05.15 +18 40 25.2 t 073
2015-07-06 22:25:35 C 21 28 05.02 +18 41 31.8 t 073
2015-07-06 22:49:20 C 21 28 04.90 +18 42 19.3 t 073
2015-07-06 23:27:15 C 21 28 04.68 +18 43 33.5 t 073
2015-07-06 23:49:47 C 21 28 04.55 +18 44 17.6 t 073
2015-07-06 23:57:38 C 21 28 05.02 +18 44 32.6 q 160
2015-07-07 00:00:27 C 21 28 05.01 +18 44 38.1 q 160
2015-07-07 00:03:16 C 21 28 04.99 +18 44 43.8 q 160
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)