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
2015-07-17 00:21:10 C 21 24 11.50 +33 32 17.1 q 585
2015-07-17 00:21:36 C 21 24 11.50 +33 32 21.0 q 585
2015-07-17 00:22:02 C 21 24 11.46 +33 32 24.1 q 585
2015-07-17 00:22:43 C 21 24 11.40 +33 32 28.8 q 585
2015-07-17 00:23:06 C 21 24 11.37 +33 32 30.9 q 585
2015-07-17 00:23:33 C 21 24 11.34 +33 32 34.6 q 585
2015-07-17 00:23:59 C 21 24 11.32 +33 32 37.7 q 585
2015-07-17 00:24:25 C 21 24 11.28 +33 32 40.7 q 585
2015-07-17 00:24:52 C 21 24 11.26 +33 32 43.6 q 585
2015-07-17 00:25:30 C 21 24 11.19 +33 32 48.8 15.0 q 585
2015-07-17 00:26:05 C 21 24 12.46 +33 32 40.4 14.1 r 238
2015-07-17 00:26:54 C 21 24 11.09 +33 32 58.0 q 585
2015-07-17 00:27:34 C 21 24 11.05 +33 33 03.7 q 585
2015-07-17 00:27:58 C 21 24 11.01 +33 33 05.8 q 585
2015-07-17 00:28:24 C 21 24 10.97 +33 33 09.2 q 585
2015-07-17 00:28:50 C 21 24 10.98 +33 33 12.0 q 585
2015-07-17 00:30:23 C 21 24 10.91 +33 33 23.1 q 585
2015-07-17 00:33:09 C 21 24 10.64 +33 33 44.1 15.0 q 585
2015-07-17 00:34:48 C 21 24 10.54 +33 33 54.9 q 585
2015-07-17 07:00:43 C 21 23 50.94 +34 21 31.9 u H21
2015-07-17 07:02:41 C 21 23 50.78 +34 21 46.8 u H21
2015-07-17 07:04:38 C 21 23 50.61 +34 22 01.7 u H21
2015-07-17 07:06:36 C 21 23 50.47 +34 22 16.5 u H21
2015-07-17 07:08:34 C 21 23 50.31 +34 22 31.3 u H21
2015-07-17 07:10:31 C 21 23 50.15 +34 22 46.2 u H21
2015-07-17 07:12:29 C 21 23 49.99 +34 23 01.0 u H21
2015-07-17 07:14:27 C 21 23 49.83 +34 23 15.9 u H21
2015-07-17 07:16:24 C 21 23 49.67 +34 23 30.8 u H21
2015-07-17 07:18:22 C 21 23 49.52 +34 23 45.6 u H21
2015-07-17 07:21:22 C 21 23 49.28 +34 24 08.4 u H21
2015-07-17 20:08:07 C 21 23 05.17 +36 05 42.5 t 073
2015-07-17 20:38:18 C 21 23 02.71 +36 10 00.5 t 073
2015-07-17 20:54:09 C 21 23 02.92 +36 12 09.3 q K14
2015-07-17 21:07:59 C 21 23 01.82 +36 14 08.9 q K14
2015-07-17 21:19:35 C 21 23 00.91 +36 15 49.0 q K14
2015-07-17 21:20:35 C 21 22 59.78 +36 15 45.1 q C23
2015-07-17 21:22:18 C 21 22 59.65 +36 15 59.9 q C23
2015-07-17 21:24:02 C 21 22 59.52 +36 16 14.7 q C23
2015-07-17 21:25:44 C 21 22 59.38 +36 16 29.4 q C23
2015-07-17 21:31:21 C 21 22 59.97 +36 17 30.9 q K14
2015-07-17 21:33:05 C 21 22 57.39 +36 17 44.6 q 585
2015-07-17 21:33:28 C 21 22 57.40 +36 17 48.2 q 585
2015-07-17 21:34:07 C 21 22 57.30 +36 17 53.7 15.8 q 585
2015-07-17 21:35:32 C 21 22 57.13 +36 18 05.4 q 585
2015-07-17 21:35:58 C 21 22 57.15 +36 18 09.3 q 585
2015-07-17 21:36:24 C 21 22 57.14 +36 18 12.8 q 585
2015-07-17 21:36:50 C 21 22 57.03 +36 18 16.9 q 585
2015-07-17 21:37:16 C 21 22 57.04 +36 18 20.3 q 585
2015-07-17 21:37:42 C 21 22 56.96 +36 18 24.5 q 585
2015-07-17 21:38:09 C 21 22 56.98 +36 18 28.4 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)