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
2015-06-30 06:58:23 C 21 26 45.38 +14 38 07.6 u H21
2015-06-30 07:00:20 C 21 26 45.39 +14 38 09.9 u H21
2015-06-30 07:02:17 C 21 26 45.39 +14 38 12.5 u H21
2015-06-30 07:04:20 C 21 26 45.42 +14 38 15.2 u H21
2015-07-01 00:18:57 C 21 26 58.48 +14 59 43.6 q 160
2015-07-01 00:21:48 C 21 26 58.50 +14 59 47.5 q 160
2015-07-01 00:24:38 C 21 26 58.50 +14 59 51.2 q 160
2015-07-01 06:20:58 C 21 27 03.06 +15 07 30.0 u H21
2015-07-01 06:22:56 C 21 27 03.07 +15 07 32.4 u H21
2015-07-01 06:24:53 C 21 27 03.08 +15 07 35.2 u H21
2015-07-01 06:26:51 C 21 27 03.09 +15 07 37.6 u H21
2015-07-01 06:28:48 C 21 27 03.11 +15 07 40.1 u H21
2015-07-01 06:30:46 C 21 27 03.11 +15 07 42.6 u H21
2015-07-01 06:32:44 C 21 27 03.13 +15 07 45.2 u H21
2015-07-01 06:34:41 C 21 27 03.13 +15 07 48.1 u H21
2015-07-01 06:36:39 C 21 27 03.16 +15 07 50.5 u H21
2015-07-01 06:38:36 C 21 27 03.15 +15 07 53.2 u H21
2015-07-01 06:40:34 C 21 27 03.17 +15 07 55.6 u H21
2015-07-01 06:43:27 C 21 27 03.19 +15 07 59.3 u H21
2015-07-02 00:38:41 C 21 27 15.10 +15 31 39.7 q 160
2015-07-02 00:41:33 C 21 27 15.11 +15 31 43.0 q 160
2015-07-02 00:44:26 C 21 27 15.13 +15 31 47.5 q 160
2015-07-03 00:20:38 C 21 27 29.55 +16 04 44.3 q 160
2015-07-03 00:24:39 C 21 27 29.60 +16 04 50.2 q 160
2015-07-03 00:26:22 C 21 27 29.59 +16 04 52.7 q 160
2015-07-03 21:19:30 C 21 27 41.68 +16 35 49.7 q K14
2015-07-03 22:03:01 C 21 27 41.89 +16 36 57.5 q K14
2015-07-03 22:22:15 C 21 27 41.99 +16 37 28.0 q K14
2015-07-04 05:43:22 C 21 27 45.04 +16 48 54.3 u H21
2015-07-04 05:45:20 C 21 27 45.04 +16 48 57.3 u H21
2015-07-04 05:47:17 C 21 27 45.04 +16 49 00.4 u H21
2015-07-04 05:49:15 C 21 27 45.05 +16 49 03.5 u H21
2015-07-04 05:51:13 C 21 27 45.05 +16 49 06.8 u H21
2015-07-04 05:53:10 C 21 27 45.05 +16 49 09.7 u H21
2015-07-04 05:55:08 C 21 27 45.04 +16 49 12.8 u H21
2015-07-04 05:57:05 C 21 27 45.06 +16 49 16.1 u H21
2015-07-04 05:59:03 C 21 27 45.05 +16 49 19.1 u H21
2015-07-04 06:01:01 C 21 27 45.04 +16 49 22.1 u H21
2015-07-04 06:02:58 C 21 27 45.05 +16 49 25.4 u H21
2015-07-04 06:04:56 C 21 27 45.05 +16 49 28.7 u H21
2015-07-04 06:06:54 C 21 27 45.06 +16 49 31.8 u H21
2015-07-04 06:08:51 C 21 27 45.07 +16 49 34.7 u H21
2015-07-04 06:10:49 C 21 27 45.06 +16 49 37.8 u H21
2015-07-04 06:12:46 C 21 27 45.06 +16 49 40.9 u H21
2015-07-04 06:14:44 C 21 27 45.06 +16 49 44.1 u H21
2015-07-04 06:16:42 C 21 27 45.05 +16 49 47.1 u H21
2015-07-04 06:20:55 C 21 27 45.07 +16 49 54.0 u H21
2015-07-04 07:05:15 C 21 27 45.09 +16 51 04.5 u H21
2015-07-04 07:07:12 C 21 27 45.09 +16 51 07.9 u H21
2015-07-04 07:09:10 C 21 27 45.07 +16 51 11.0 u H21
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)