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 22:02:10 C 21 22 54.82 +36 21 54.6 q 585
2015-07-17 22:02:37 C 21 22 54.78 +36 21 58.4 q 585
2015-07-17 22:03:03 C 21 22 54.81 +36 22 02.2 q 585
2015-07-17 22:03:29 C 21 22 54.76 +36 22 06.4 q 585
2015-07-17 22:03:56 C 21 22 54.69 +36 22 09.5 q 585
2015-07-17 22:04:22 C 21 22 54.58 +36 22 13.8 q 585
2015-07-17 22:04:48 C 21 22 54.61 +36 22 17.1 q 585
2015-07-17 22:05:13 C 21 22 54.57 +36 22 21.5 q 585
2015-07-17 22:05:40 C 21 22 54.55 +36 22 24.9 q 585
2015-07-17 22:06:06 C 21 22 54.52 +36 22 28.7 q 585
2015-07-17 22:06:32 C 21 22 54.45 +36 22 32.3 q 585
2015-07-17 22:06:59 C 21 22 54.41 +36 22 35.4 q 585
2015-07-17 22:07:25 C 21 22 54.36 +36 22 39.9 q 585
2015-07-17 22:07:51 C 21 22 54.33 +36 22 43.2 q 585
2015-07-17 22:08:17 C 21 22 54.27 +36 22 47.5 q 585
2015-07-17 22:08:25 C 21 22 54.89 +36 22 55.3 t 073
2015-07-17 22:08:57 C 21 22 54.23 +36 22 53.1 q 585
2015-07-17 22:09:31 C 21 22 54.17 +36 22 57.8 15.1 q 585
2015-07-17 22:10:55 C 21 22 54.02 +36 23 09.9 q 585
2015-07-17 22:11:21 C 21 22 54.01 +36 23 13.5 q 585
2015-07-17 22:11:47 C 21 22 53.99 +36 23 16.9 q 585
2015-07-17 22:12:13 C 21 22 53.98 +36 23 20.9 q 585
2015-07-17 22:12:40 C 21 22 53.89 +36 23 24.2 q 585
2015-07-17 22:13:06 C 21 22 53.87 +36 23 28.5 q 585
2015-07-17 22:13:32 C 21 22 53.91 +36 23 31.7 q 585
2015-07-17 22:14:07 C 21 22 53.82 +36 23 37.0 q 585
2015-07-17 22:14:32 C 21 22 53.71 +36 23 41.1 q 585
2015-07-17 22:15:24 C 21 22 53.62 +36 23 49.2 q 585
2015-07-17 22:15:51 C 21 22 53.64 +36 23 51.9 q 585
2015-07-17 22:16:17 C 21 22 53.56 +36 23 55.4 q 585
2015-07-17 22:16:43 C 21 22 53.45 +36 24 00.5 q 585
2015-07-17 22:17:10 C 21 22 53.49 +36 24 03.8 q 585
2015-07-17 22:17:36 C 21 22 53.48 +36 24 06.8 q 585
2015-07-17 22:18:02 C 21 22 53.48 +36 24 10.2 q 585
2015-07-17 22:18:28 C 21 22 53.44 +36 24 15.3 q 585
2015-07-17 22:18:54 C 21 22 53.31 +36 24 18.4 q 585
2015-07-17 22:19:20 C 21 22 53.30 +36 24 22.5 q 585
2015-07-17 22:19:47 C 21 22 53.27 +36 24 25.8 q 585
2015-07-17 22:20:13 C 21 22 53.24 +36 24 30.2 q 585
2015-07-17 22:20:53 C 21 22 53.18 +36 24 35.3 q 585
2015-07-17 22:21:26 C 21 22 53.12 +36 24 40.4 15.2 q 585
2015-07-17 22:22:51 C 21 22 53.01 +36 24 52.2 q 585
2015-07-17 22:23:17 C 21 22 52.98 +36 24 56.6 q 585
2015-07-17 22:23:43 C 21 22 52.91 +36 25 00.5 q 585
2015-07-17 22:24:09 C 21 22 52.86 +36 25 03.5 q 585
2015-07-17 22:24:35 C 21 22 52.89 +36 25 07.5 q 585
2015-07-17 22:25:01 C 21 22 52.88 +36 25 11.4 q 585
2015-07-17 22:25:27 C 21 22 52.78 +36 25 15.5 q 585
2015-07-17 22:25:54 C 21 22 52.75 +36 25 18.1 q 585
2015-07-17 22:26:20 C 21 22 52.69 +36 25 23.6 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)