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 22:52:07 C 21 22 50.36 +36 29 05.9 q 585
2015-07-17 22:52:33 C 21 22 50.32 +36 29 08.8 q 585
2015-07-17 22:52:59 C 21 22 50.21 +36 29 11.7 q 585
2015-07-17 22:53:25 C 21 22 50.23 +36 29 16.1 q 585
2015-07-17 22:53:51 C 21 22 50.23 +36 29 19.8 q 585
2015-07-17 22:54:17 C 21 22 50.14 +36 29 23.1 q 585
2015-07-17 22:54:44 C 21 22 50.13 +36 29 26.9 q 585
2015-07-17 22:55:10 C 21 22 50.12 +36 29 31.3 q 585
2015-07-17 22:55:36 C 21 22 50.07 +36 29 34.7 q 585
2015-07-17 22:56:16 C 21 22 49.97 +36 29 40.6 q 585
2015-07-17 22:56:49 C 21 22 49.89 +36 29 45.9 14.7 q 585
2015-07-17 22:58:14 C 21 22 49.84 +36 29 57.7 q 585
2015-07-17 22:58:40 C 21 22 49.77 +36 30 02.0 q 585
2015-07-17 22:59:07 C 21 22 49.70 +36 30 05.6 q 585
2015-07-17 22:59:32 C 21 22 49.71 +36 30 10.1 q 585
2015-07-17 22:59:58 C 21 22 49.64 +36 30 12.1 q 585
2015-07-17 23:00:25 C 21 22 49.60 +36 30 15.9 q 585
2015-07-17 23:00:51 C 21 22 49.55 +36 30 20.0 q 585
2015-07-17 23:01:17 C 21 22 49.57 +36 30 24.2 q 585
2015-07-17 23:01:43 C 21 22 49.54 +36 30 28.0 q 585
2015-07-17 23:02:10 C 21 22 49.45 +36 30 31.3 q 585
2015-07-17 23:02:36 C 21 22 49.44 +36 30 35.6 q 585
2015-07-17 23:03:02 C 21 22 49.40 +36 30 39.3 q 585
2015-07-17 23:03:28 C 21 22 49.31 +36 30 43.0 q 585
2015-07-17 23:03:54 C 21 22 49.30 +36 30 47.1 q 585
2015-07-17 23:04:20 C 21 22 49.24 +36 30 50.7 q 585
2015-07-17 23:04:47 C 21 22 49.19 +36 30 53.2 q 585
2015-07-17 23:05:13 C 21 22 49.17 +36 30 58.4 q 585
2015-07-17 23:05:39 C 21 22 49.11 +36 31 02.5 q 585
2015-07-17 23:06:06 C 21 22 49.11 +36 31 05.4 q 585
2015-07-17 23:06:31 C 21 22 49.02 +36 31 10.4 q 585
2015-07-17 23:06:57 C 21 22 49.04 +36 31 13.6 q 585
2015-07-17 23:07:24 C 21 22 48.92 +36 31 17.7 q 585
2015-07-17 23:08:04 C 21 22 48.89 +36 31 23.0 q 585
2015-07-17 23:08:31 C 21 22 49.32 +36 31 35.4 t 073
2015-07-17 23:08:38 C 21 22 48.84 +36 31 27.3 14.8 q 585
2015-07-17 23:10:01 C 21 22 48.73 +36 31 39.0 q 585
2015-07-17 23:10:27 C 21 22 48.62 +36 31 44.3 q 585
2015-07-17 23:10:54 C 21 22 48.61 +36 31 46.8 q 585
2015-07-17 23:11:20 C 21 22 48.59 +36 31 51.3 q 585
2015-07-17 23:11:46 C 21 22 48.56 +36 31 54.1 q 585
2015-07-17 23:12:13 C 21 22 48.47 +36 31 58.8 q 585
2015-07-17 23:12:39 C 21 22 48.48 +36 32 01.9 q 585
2015-07-17 23:13:05 C 21 22 48.46 +36 32 05.6 q 585
2015-07-17 23:13:31 C 21 22 48.42 +36 32 10.4 q 585
2015-07-17 23:13:57 C 21 22 48.33 +36 32 14.6 q 585
2015-07-17 23:14:23 C 21 22 48.28 +36 32 17.5 q 585
2015-07-17 23:14:50 C 21 22 48.18 +36 32 21.9 q 585
2015-07-17 23:15:16 C 21 22 48.11 +36 32 27.4 q 585
2015-07-17 23:15:42 C 21 22 48.21 +36 32 28.9 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)