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
2015-07-07 00:28:54 C 21 28 04.31 +18 45 34.3 t 073
2015-07-07 21:10:05 C 21 28 07.74 +19 27 32.2 t 073
2015-07-07 21:38:44 C 21 28 07.59 +19 28 31.7 t L04
2015-07-07 21:39:46 C 21 28 07.57 +19 28 35.6 t 073
2015-07-07 21:40:12 C 21 28 07.58 +19 28 34.8 t L04
2015-07-07 22:09:32 C 21 28 07.39 +19 29 39.5 t 073
2015-07-07 22:40:23 C 21 28 07.17 +19 30 45.9 t 073
2015-07-07 23:10:00 C 21 28 06.94 +19 31 49.3 t 073
2015-07-07 23:39:39 C 21 28 06.69 +19 32 52.8 t 073
2015-07-08 00:09:24 C 21 28 06.42 +19 33 56.8 t 073
2015-07-08 20:12:28 C 21 28 07.02 +20 18 24.0 q 585
2015-07-08 20:13:17 C 21 28 06.99 +20 18 26.1 q 585
2015-07-08 20:14:20 C 21 28 07.00 +20 18 28.3 16.3 q 585
2015-07-08 20:15:06 C 21 28 06.97 +20 18 30.4 q 585
2015-07-08 20:15:38 C 21 28 06.99 +20 18 31.6 q 585
2015-07-08 20:16:09 C 21 28 07.01 +20 18 32.2 q 585
2015-07-08 20:16:41 C 21 28 07.12 +20 18 33.2 q 585
2015-07-08 20:17:12 C 21 28 06.99 +20 18 35.1 q 585
2015-07-08 20:17:43 C 21 28 06.98 +20 18 36.5 q 585
2015-07-08 20:18:14 C 21 28 06.91 +20 18 37.0 q 585
2015-07-08 20:18:45 C 21 28 06.96 +20 18 38.4 q 585
2015-07-08 20:19:16 C 21 28 06.96 +20 18 39.4 q 585
2015-07-08 20:19:47 C 21 28 06.99 +20 18 41.2 q 585
2015-07-08 20:20:18 C 21 28 06.97 +20 18 42.4 q 585
2015-07-08 20:21:07 C 21 28 06.95 +20 18 45.0 q 585
2015-07-08 20:22:11 C 21 28 06.94 +20 18 46.5 16.0 q 585
2015-07-08 20:22:57 C 21 28 06.97 +20 18 48.3 q 585
2015-07-08 20:23:28 C 21 28 06.99 +20 18 49.5 q 585
2015-07-08 20:23:59 C 21 28 06.97 +20 18 51.2 q 585
2015-07-08 20:24:31 C 21 28 06.96 +20 18 52.8 q 585
2015-07-08 20:25:03 C 21 28 06.94 +20 18 53.9 q 585
2015-07-08 20:25:34 C 21 28 06.95 +20 18 54.7 q 585
2015-07-08 20:26:05 C 21 28 06.96 +20 18 55.6 q 585
2015-07-08 20:26:36 C 21 28 06.95 +20 18 57.3 q 585
2015-07-08 20:27:07 C 21 28 06.89 +20 18 58.1 q 585
2015-07-08 20:27:38 C 21 28 06.93 +20 18 59.6 q 585
2015-07-08 20:28:26 C 21 28 06.90 +20 19 01.8 q 585
2015-07-08 20:29:30 C 21 28 06.90 +20 19 04.0 16.2 q 585
2015-07-08 20:30:17 C 21 28 06.90 +20 19 06.1 q 585
2015-07-08 20:30:48 C 21 28 06.93 +20 19 06.5 q 585
2015-07-08 20:31:19 C 21 28 06.94 +20 19 08.4 q 585
2015-07-08 20:31:50 C 21 28 06.86 +20 19 09.6 q 585
2015-07-08 20:32:21 C 21 28 06.89 +20 19 10.5 q 585
2015-07-08 20:32:53 C 21 28 06.96 +20 19 11.8 q 585
2015-07-08 20:33:24 C 21 28 06.90 +20 19 13.0 q 585
2015-07-08 20:33:56 C 21 28 06.86 +20 19 14.3 q 585
2015-07-08 20:34:27 C 21 28 06.89 +20 19 15.4 q 585
2015-07-08 20:34:58 C 21 28 06.83 +20 19 17.2 q 585
2015-07-08 20:35:29 C 21 28 06.88 +20 19 18.5 q 585
2015-07-08 20:36:17 C 21 28 06.83 +20 19 20.3 q 585
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)