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
2015-07-16 22:55:20 C 21 24 17.57 +33 22 06.2 q 585
2015-07-16 22:55:47 C 21 24 17.52 +33 22 09.0 q 585
2015-07-16 22:56:13 C 21 24 17.52 +33 22 11.8 q 585
2015-07-16 22:56:39 C 21 24 17.49 +33 22 15.2 q 585
2015-07-16 22:57:19 C 21 24 17.43 +33 22 20.5 q 585
2015-07-16 22:57:52 C 21 24 17.40 +33 22 23.6 15.7 q 585
2015-07-16 23:30:48 C 21 24 15.08 +33 26 18.5 q 585
2015-07-16 23:31:12 C 21 24 15.08 +33 26 21.5 q 585
2015-07-16 23:31:50 C 21 24 15.01 +33 26 25.6 15.3 q 585
2015-07-16 23:33:14 C 21 24 14.92 +33 26 35.8 q 585
2015-07-16 23:33:41 C 21 24 14.90 +33 26 38.5 q 585
2015-07-16 23:34:07 C 21 24 14.87 +33 26 41.7 q 585
2015-07-16 23:34:33 C 21 24 14.85 +33 26 45.4 q 585
2015-07-16 23:35:00 C 21 24 14.81 +33 26 48.2 q 585
2015-07-16 23:35:39 C 21 24 14.75 +33 26 53.0 q 585
2015-07-16 23:36:03 C 21 24 14.72 +33 26 56.3 q 585
2015-07-16 23:36:29 C 21 24 14.71 +33 26 58.8 q 585
2015-07-16 23:36:55 C 21 24 14.68 +33 27 01.6 q 585
2015-07-16 23:37:21 C 21 24 14.63 +33 27 04.8 q 585
2015-07-16 23:37:48 C 21 24 14.64 +33 27 08.3 q 585
2015-07-16 23:38:28 C 21 24 14.55 +33 27 13.0 q 585
2015-07-16 23:38:52 C 21 24 14.50 +33 27 16.3 q 585
2015-07-16 23:39:30 C 21 24 14.45 +33 27 20.3 15.3 q 585
2015-07-16 23:40:55 C 21 24 14.41 +33 27 31.0 q 585
2015-07-16 23:41:21 C 21 24 14.41 +33 27 33.3 q 585
2015-07-16 23:41:47 C 21 24 14.33 +33 27 36.5 q 585
2015-07-16 23:42:13 C 21 24 14.34 +33 27 39.6 q 585
2015-07-16 23:42:25 C 21 24 15.34 +33 27 29.1 14.0 r 238
2015-07-16 23:42:53 C 21 24 14.24 +33 27 44.6 q 585
2015-07-16 23:43:16 C 21 24 14.24 +33 27 47.1 q 585
2015-07-16 23:43:43 C 21 24 14.24 +33 27 50.5 q 585
2015-07-16 23:44:09 C 21 24 14.19 +33 27 52.9 q 585
2015-07-16 23:44:35 C 21 24 14.11 +33 27 56.6 q 585
2015-07-16 23:45:02 C 21 24 14.08 +33 27 59.9 q 585
2015-07-16 23:45:42 C 21 24 14.03 +33 28 04.6 q 585
2015-07-16 23:46:06 C 21 24 14.04 +33 28 06.5 q 585
2015-07-16 23:46:44 C 21 24 13.95 +33 28 11.9 15.3 q 585
2015-07-16 23:48:08 C 21 24 13.86 +33 28 22.1 q 585
2015-07-16 23:48:34 C 21 24 13.85 +33 28 25.0 q 585
2015-07-16 23:49:00 C 21 24 13.86 +33 28 27.8 q 585
2015-07-16 23:49:27 C 21 24 13.82 +33 28 31.2 q 585
2015-07-16 23:49:53 C 21 24 13.78 +33 28 33.4 q 585
2015-07-16 23:50:34 C 21 24 13.69 +33 28 39.2 q 585
2015-07-16 23:50:57 C 21 24 13.73 +33 28 42.0 q 585
2015-07-16 23:51:23 C 21 24 13.68 +33 28 46.0 q 585
2015-07-16 23:51:49 C 21 24 13.67 +33 28 48.3 q 585
2015-07-16 23:52:16 C 21 24 13.63 +33 28 50.1 q 585
2015-07-16 23:52:41 C 21 24 13.58 +33 28 53.5 q 585
2015-07-16 23:53:22 C 21 24 13.49 +33 28 59.3 q 585
2015-07-16 23:53:45 C 21 24 13.39 +33 29 01.7 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)