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
2015-07-08 21:06:21 C 21 28 06.65 +20 20 31.2 q 585
2015-07-08 21:06:52 C 21 28 06.60 +20 20 32.8 q 585
2015-07-08 21:07:23 C 21 28 06.64 +20 20 33.2 q 585
2015-07-08 21:08:11 C 21 28 06.65 +20 20 35.2 q 585
2015-07-08 21:09:14 C 21 28 06.63 +20 20 36.9 16.1 q 585
2015-07-08 21:10:02 C 21 28 06.62 +20 20 39.3 q 585
2015-07-08 21:10:33 C 21 28 06.62 +20 20 40.7 q 585
2015-07-08 21:11:04 C 21 28 06.61 +20 20 41.8 q 585
2015-07-08 21:11:35 C 21 28 06.65 +20 20 43.3 q 585
2015-07-08 21:12:06 C 21 28 06.61 +20 20 44.5 q 585
2015-07-08 21:12:37 C 21 28 06.60 +20 20 46.4 q 585
2015-07-08 21:13:08 C 21 28 06.60 +20 20 47.5 q 585
2015-07-08 21:13:40 C 21 28 06.61 +20 20 48.2 q 585
2015-07-08 21:14:11 C 21 28 06.60 +20 20 49.2 q 585
2015-07-08 21:14:43 C 21 28 06.63 +20 20 51.5 q 585
2015-07-08 21:15:14 C 21 28 06.56 +20 20 51.8 q 585
2015-07-08 21:16:02 C 21 28 06.55 +20 20 54.5 q 585
2015-07-08 21:17:05 C 21 28 06.57 +20 20 55.8 16.1 q 585
2015-07-08 21:17:53 C 21 28 06.54 +20 20 58.0 q 585
2015-07-08 21:18:24 C 21 28 06.55 +20 20 59.3 q 585
2015-07-08 21:18:55 C 21 28 06.54 +20 21 00.5 q 585
2015-07-08 21:19:26 C 21 28 06.56 +20 21 01.7 q 585
2015-07-08 21:19:57 C 21 28 06.57 +20 21 02.8 q 585
2015-07-08 21:20:28 C 21 28 06.54 +20 21 04.0 q 585
2015-07-08 21:20:59 C 21 28 06.52 +20 21 05.0 q 585
2015-07-08 21:21:30 C 21 28 06.53 +20 21 06.4 q 585
2015-07-08 21:22:01 C 21 28 06.52 +20 21 08.0 q 585
2015-07-08 21:22:31 C 21 28 06.80 +20 21 12.0 t 073
2015-07-08 21:22:33 C 21 28 06.51 +20 21 08.8 q 585
2015-07-08 21:23:04 C 21 28 06.53 +20 21 10.5 q 585
2015-07-08 21:23:53 C 21 28 06.51 +20 21 11.9 q 585
2015-07-08 21:24:56 C 21 28 06.45 +20 21 15.3 16.1 q 585
2015-07-08 21:52:11 C 21 28 06.62 +20 22 21.1 t 073
2015-07-08 22:22:04 C 21 28 06.27 +20 23 33.0 t 073
2015-07-08 22:51:48 C 21 28 05.93 +20 24 42.7 t 073
2015-07-08 23:21:29 C 21 28 05.62 +20 25 53.5 t 073
2015-07-08 23:52:22 C 21 28 05.25 +20 27 06.5 t 073
2015-07-09 00:17:19 C 21 28 04.91 +20 28 05.3 t 073
2015-07-09 20:44:05 C 21 28 02.63 +21 18 20.8 14.9 t 073
2015-07-09 21:14:57 C 21 28 02.30 +21 19 41.3 15.3 t 073
2015-07-09 21:44:39 C 21 28 01.88 +21 20 59.7 15.4 t 073
2015-07-09 22:14:19 C 21 28 01.57 +21 22 17.1 15.2 t 073
2015-07-09 22:35:00 C 21 28 01.80 +21 23 07.1 q A13
2015-07-09 22:45:13 C 21 28 01.12 +21 23 38.1 14.8 t 073
2015-07-09 23:02:33 C 21 28 01.39 +21 24 16.0 q C23
2015-07-09 23:04:16 C 21 28 01.37 +21 24 20.6 q C23
2015-07-09 23:06:13 C 21 28 01.36 +21 24 26.0 q C23
2015-07-09 23:06:52 C 21 28 01.41 +21 24 31.0 q A13
2015-07-09 23:08:12 C 21 28 01.32 +21 24 31.1 q C23
2015-07-09 23:10:09 C 21 28 01.30 +21 24 36.2 q C23
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)