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 20:37:20 C 21 28 06.89 +20 19 23.0 16.1 q 585
2015-07-08 20:38:08 C 21 28 06.88 +20 19 24.0 q 585
2015-07-08 20:38:39 C 21 28 06.86 +20 19 25.5 q 585
2015-07-08 20:39:10 C 21 28 06.81 +20 19 26.4 q 585
2015-07-08 20:39:41 C 21 28 06.86 +20 19 27.4 q 585
2015-07-08 20:40:12 C 21 28 06.87 +20 19 29.3 q 585
2015-07-08 20:40:43 C 21 28 06.85 +20 19 30.4 q 585
2015-07-08 20:41:15 C 21 28 06.83 +20 19 31.9 q 585
2015-07-08 20:41:46 C 21 28 06.81 +20 19 32.9 q 585
2015-07-08 20:42:17 C 21 28 06.83 +20 19 34.2 q 585
2015-07-08 20:42:49 C 21 28 06.84 +20 19 35.3 q 585
2015-07-08 20:43:20 C 21 28 06.83 +20 19 36.4 q 585
2015-07-08 20:44:08 C 21 28 06.82 +20 19 39.1 q 585
2015-07-08 20:45:11 C 21 28 06.83 +20 19 41.0 16.0 q 585
2015-07-08 20:45:58 C 21 28 06.82 +20 19 42.6 q 585
2015-07-08 20:46:30 C 21 28 06.81 +20 19 43.8 q 585
2015-07-08 20:47:01 C 21 28 06.79 +20 19 45.4 q 585
2015-07-08 20:47:32 C 21 28 06.80 +20 19 46.9 q 585
2015-07-08 20:48:03 C 21 28 06.75 +20 19 48.0 q 585
2015-07-08 20:48:34 C 21 28 06.81 +20 19 48.8 q 585
2015-07-08 20:49:05 C 21 28 06.78 +20 19 50.1 q 585
2015-07-08 20:49:37 C 21 28 06.78 +20 19 51.5 q 585
2015-07-08 20:50:08 C 21 28 06.77 +20 19 52.6 q 585
2015-07-08 20:50:39 C 21 28 06.75 +20 19 54.1 q 585
2015-07-08 20:51:10 C 21 28 06.76 +20 19 54.5 q 585
2015-07-08 20:51:38 C 21 28 07.09 +20 19 58.7 t 073
2015-07-08 20:51:41 C 21 28 06.77 +20 19 56.4 q 585
2015-07-08 20:52:30 C 21 28 06.76 +20 19 58.3 q 585
2015-07-08 20:53:33 C 21 28 06.71 +20 20 00.5 16.1 q 585
2015-07-08 20:54:20 C 21 28 06.73 +20 20 02.6 q 585
2015-07-08 20:54:51 C 21 28 06.72 +20 20 03.9 q 585
2015-07-08 20:55:22 C 21 28 06.74 +20 20 05.2 q 585
2015-07-08 20:55:54 C 21 28 06.72 +20 20 06.3 q 585
2015-07-08 20:56:25 C 21 28 06.73 +20 20 07.6 q 585
2015-07-08 20:56:56 C 21 28 06.72 +20 20 08.8 q 585
2015-07-08 20:57:27 C 21 28 06.72 +20 20 09.6 q 585
2015-07-08 20:57:59 C 21 28 06.70 +20 20 11.3 q 585
2015-07-08 20:58:30 C 21 28 06.71 +20 20 12.0 q 585
2015-07-08 20:59:01 C 21 28 06.72 +20 20 13.2 q 585
2015-07-08 20:59:32 C 21 28 06.70 +20 20 14.5 q 585
2015-07-08 21:00:20 C 21 28 06.69 +20 20 17.3 q 585
2015-07-08 21:01:24 C 21 28 06.66 +20 20 19.0 16.2 q 585
2015-07-08 21:02:11 C 21 28 06.69 +20 20 20.9 q 585
2015-07-08 21:02:42 C 21 28 06.68 +20 20 22.5 q 585
2015-07-08 21:03:13 C 21 28 06.66 +20 20 23.9 q 585
2015-07-08 21:03:44 C 21 28 06.67 +20 20 24.4 q 585
2015-07-08 21:04:15 C 21 28 06.66 +20 20 26.4 q 585
2015-07-08 21:04:47 C 21 28 06.66 +20 20 27.3 q 585
2015-07-08 21:05:18 C 21 28 06.65 +20 20 28.4 q 585
2015-07-08 21:05:49 C 21 28 06.64 +20 20 30.2 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)