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 22:26:46 C 21 22 52.62 +36 25 27.1 q 585
2015-07-17 22:27:13 C 21 22 52.56 +36 25 30.7 q 585
2015-07-17 22:27:39 C 21 22 52.51 +36 25 34.7 q 585
2015-07-17 22:28:05 C 21 22 52.52 +36 25 37.0 q 585
2015-07-17 22:28:31 C 21 22 52.51 +36 25 41.7 q 585
2015-07-17 22:28:57 C 21 22 52.43 +36 25 45.6 q 585
2015-07-17 22:29:23 C 21 22 52.43 +36 25 48.6 q 585
2015-07-17 22:29:50 C 21 22 52.35 +36 25 53.5 q 585
2015-07-17 22:30:16 C 21 22 52.37 +36 25 57.6 q 585
2015-07-17 22:30:42 C 21 22 52.30 +36 26 00.4 q 585
2015-07-17 22:31:08 C 21 22 52.29 +36 26 04.5 q 585
2015-07-17 22:31:35 C 21 22 52.21 +36 26 08.7 q 585
2015-07-17 22:32:00 C 21 22 52.16 +36 26 11.3 q 585
2015-07-17 22:32:41 C 21 22 52.15 +36 26 17.4 q 585
2015-07-17 22:33:14 C 21 22 52.07 +36 26 22.2 15.1 q 585
2015-07-17 22:34:39 C 21 22 51.97 +36 26 35.4 q 585
2015-07-17 22:35:04 C 21 22 51.96 +36 26 37.5 q 585
2015-07-17 22:35:30 C 21 22 51.89 +36 26 40.9 q 585
2015-07-17 22:35:57 C 21 22 51.87 +36 26 44.5 q 585
2015-07-17 22:37:16 C 21 22 51.74 +36 26 57.2 q 585
2015-07-17 22:37:42 C 21 22 51.69 +36 27 00.9 q 585
2015-07-17 22:37:58 C 21 22 52.18 +36 27 11.1 t 073
2015-07-17 22:38:08 C 21 22 51.56 +36 27 04.6 q 585
2015-07-17 22:39:00 C 21 22 51.55 +36 27 11.8 q 585
2015-07-17 22:39:26 C 21 22 51.51 +36 27 15.2 q 585
2015-07-17 22:39:52 C 21 22 51.47 +36 27 19.9 q 585
2015-07-17 22:40:19 C 21 22 51.43 +36 27 23.6 q 585
2015-07-17 22:40:45 C 21 22 51.45 +36 27 27.7 q 585
2015-07-17 22:41:11 C 21 22 51.39 +36 27 30.0 q 585
2015-07-17 22:41:38 C 21 22 51.31 +36 27 34.7 q 585
2015-07-17 22:42:04 C 21 22 51.26 +36 27 37.7 q 585
2015-07-17 22:42:29 C 21 22 51.25 +36 27 42.0 q 585
2015-07-17 22:42:56 C 21 22 51.21 +36 27 46.3 q 585
2015-07-17 22:43:22 C 21 22 51.18 +36 27 49.1 q 585
2015-07-17 22:43:48 C 21 22 51.08 +36 27 53.2 q 585
2015-07-17 22:44:29 C 21 22 51.05 +36 27 59.0 q 585
2015-07-17 22:45:02 C 21 22 50.98 +36 28 03.8 14.8 q 585
2015-07-17 22:46:26 C 21 22 50.92 +36 28 16.4 q 585
2015-07-17 22:46:52 C 21 22 50.83 +36 28 20.0 q 585
2015-07-17 22:47:18 C 21 22 50.75 +36 28 24.2 q 585
2015-07-17 22:47:45 C 21 22 50.78 +36 28 27.8 q 585
2015-07-17 22:48:11 C 21 22 50.72 +36 28 31.6 q 585
2015-07-17 22:48:37 C 21 22 50.71 +36 28 35.1 q 585
2015-07-17 22:49:03 C 21 22 50.71 +36 28 38.9 q 585
2015-07-17 22:49:29 C 21 22 50.62 +36 28 41.7 q 585
2015-07-17 22:49:55 C 21 22 50.54 +36 28 45.7 q 585
2015-07-17 22:50:22 C 21 22 50.54 +36 28 49.5 q 585
2015-07-17 22:50:48 C 21 22 50.50 +36 28 53.7 q 585
2015-07-17 22:51:14 C 21 22 50.41 +36 28 57.4 q 585
2015-07-17 22:51:41 C 21 22 50.43 +36 29 00.7 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)