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 23:16:08 C 21 22 48.15 +36 32 32.7 q 585
2015-07-17 23:16:35 C 21 22 48.10 +36 32 36.2 q 585
2015-07-17 23:17:00 C 21 22 48.06 +36 32 40.6 q 585
2015-07-17 23:17:26 C 21 22 48.04 +36 32 44.8 q 585
2015-07-17 23:17:53 C 21 22 47.97 +36 32 47.3 q 585
2015-07-17 23:18:19 C 21 22 47.94 +36 32 51.1 q 585
2015-07-17 23:18:45 C 21 22 47.87 +36 32 55.3 q 585
2015-07-17 23:19:11 C 21 22 47.89 +36 32 59.3 q 585
2015-07-17 23:19:52 C 21 22 47.81 +36 33 05.1 q 585
2015-07-17 23:20:25 C 21 22 47.75 +36 33 09.8 14.8 q 585
2015-07-17 23:20:25 C 21 22 49.60 +36 33 16.1 q 160
2015-07-17 23:21:49 C 21 22 47.62 +36 33 22.7 q 585
2015-07-17 23:23:00 C 21 22 49.35 +36 33 38.6 q 160
2015-07-17 23:25:27 C 21 22 47.27 +36 33 53.1 q 585
2015-07-17 23:25:36 C 21 22 49.12 +36 34 01.2 q 160
2015-07-17 23:25:50 C 21 22 47.21 +36 33 57.2 q 585
2015-07-17 23:26:29 C 21 22 47.21 +36 34 02.4 14.8 q 585
2015-07-17 23:27:54 C 21 22 47.03 +36 34 14.4 q 585
2015-07-17 23:28:20 C 21 22 46.95 +36 34 18.6 q 585
2015-07-17 23:28:45 C 21 22 46.92 +36 34 22.1 q 585
2015-07-17 23:29:01 C 21 22 49.62 +36 34 33.8 r 006
2015-07-17 23:29:11 C 21 22 46.92 +36 34 25.0 q 585
2015-07-17 23:29:38 C 21 22 46.86 +36 34 30.0 q 585
2015-07-17 23:30:04 C 21 22 46.85 +36 34 32.4 q 585
2015-07-17 23:30:31 C 21 22 46.78 +36 34 36.6 q 585
2015-07-17 23:30:57 C 21 22 46.75 +36 34 41.4 q 585
2015-07-17 23:31:12 C 21 22 47.24 +36 34 51.6 t 073
2015-07-17 23:31:23 C 21 22 46.75 +36 34 44.7 q 585
2015-07-17 23:31:50 C 21 22 46.68 +36 34 47.5 q 585
2015-07-17 23:32:15 C 21 22 46.60 +36 34 52.4 q 585
2015-07-17 23:32:41 C 21 22 46.60 +36 34 55.5 q 585
2015-07-17 23:33:07 C 21 22 46.54 +36 34 59.4 q 585
2015-07-17 23:33:34 C 21 22 46.53 +36 35 02.8 q 585
2015-07-17 23:34:00 C 21 22 46.48 +36 35 07.2 q 585
2015-07-17 23:34:26 C 21 22 46.41 +36 35 11.5 q 585
2015-07-17 23:34:53 C 21 22 46.37 +36 35 15.1 q 585
2015-07-17 23:35:19 C 21 22 46.35 +36 35 18.8 q 585
2015-07-17 23:35:34 C 21 22 49.01 +36 35 31.1 r 006
2015-07-17 23:35:45 C 21 22 46.27 +36 35 23.1 q 585
2015-07-17 23:36:11 C 21 22 46.28 +36 35 25.9 q 585
2015-07-17 23:36:37 C 21 22 46.22 +36 35 30.9 q 585
2015-07-17 23:37:03 C 21 22 46.26 +36 35 34.2 q 585
2015-07-17 23:37:44 C 21 22 46.16 +36 35 39.7 q 585
2015-07-17 23:38:17 C 21 22 46.12 +36 35 44.4 14.9 q 585
2015-07-17 23:39:41 C 21 22 45.97 +36 35 56.4 q 585
2015-07-17 23:40:07 C 21 22 45.91 +36 35 59.9 q 585
2015-07-17 23:40:33 C 21 22 45.81 +36 36 05.0 q 585
2015-07-17 23:41:00 C 21 22 45.96 +36 36 07.6 q 585
2015-07-17 23:41:26 C 21 22 45.77 +36 36 11.1 q 585
2015-07-17 23:41:52 C 21 22 45.68 +36 36 16.1 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)