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
2019-06-08 13:15:06 C 17 37 30.972 +17 37 33.59 U F52
2019-06-08 13:32:45 C 17 37 27.996 +17 37 31.27 U F52
2019-06-11 10:22:27 C 17 26 03.52 +17 24 44.1 V T08
2019-06-11 10:54:03 C 17 25 58.08 +17 24 36.1 V T08
2019-06-11 11:13:50 C 17 25 54.69 +17 24 31.0 V T08
2019-06-11 11:19:11 C 17 25 53.77 +17 24 29.6 V T08
2019-06-11 20:54:14 C 17 24 18.80 +17 21 49.0 d Z35
2019-06-11 21:03:29 C 17 24 17.33 +17 21 48.8 d Z35
2019-06-11 21:27:19 C 17 24 13.07 +17 21 43.8 d Z35
2019-06-12 08:12:04 C 17 22 24.78 +17 18 40.3 V 703
2019-06-12 08:19:38 C 17 22 23.50 +17 18 38.0 V 703
2019-06-12 08:27:13 C 17 22 22.20 +17 18 35.7 V 703
2019-06-12 08:34:47 C 17 22 20.90 +17 18 33.7 V 703
2019-06-13 09:55:02 C 17 18 07.76 +17 10 28.2 V T05
2019-06-13 09:59:26 C 17 18 07.01 +17 10 26.8 V T05
2019-06-13 10:07:30 C 17 18 05.63 +17 10 23.8 V T05
2019-06-13 10:22:03 C 17 18 03.13 +17 10 19.1 V T05
2019-06-14 00:23:14 C 17 15 42.76 +17 05 09.0 q 160
2019-06-14 00:26:12 C 17 15 42.23 +17 05 08.0 q 160
2019-06-14 00:29:08 C 17 15 41.76 +17 05 06.8 q 160
2019-06-15 11:16:09 C 17 09 55.33 +16 51 04.2 V T08
2019-06-15 11:31:15 C 17 09 52.76 +16 50 57.6 V T08
2019-06-15 11:43:18 C 17 09 50.73 +16 50 52.6 V T08
2019-06-15 11:52:47 C 17 09 49.11 +16 50 47.8 V T08
2019-06-17 23:29:18 C 17 00 03.17 +16 21 09.5 V A16
2019-06-17 23:50:47 C 16 59 59.62 +16 20 57.7 V A16
2019-06-18 00:11:44 C 16 59 56.14 +16 20 46.1 V A16
2019-06-18 23:50:26 C 16 56 07.38 +16 07 17.7 V A16
2019-06-19 00:02:45 C 16 56 05.37 +16 07 10.5 V A16
2019-06-19 00:23:41 C 16 56 01.95 +16 06 58.1 V A16
2019-06-19 00:45:08 C 16 55 58.41 +16 06 45.1 V A16
2019-06-21 07:32:45 C 16 47 20.12 +15 32 00.9 V T05
2019-06-21 07:47:41 C 16 47 17.72 +15 31 50.7 V T05
2019-06-21 07:55:03 C 16 47 16.55 +15 31 45.8 V T05
2019-06-21 08:07:31 C 16 47 14.55 +15 31 37.3 V T05
2019-06-22 07:34:32 C 16 43 37.04 +15 15 11.5 V 703
2019-06-22 07:42:04 C 16 43 35.86 +15 15 05.9 V 703
2019-06-22 07:49:35 C 16 43 34.68 +15 15 00.6 V 703
2019-06-22 07:57:07 C 16 43 33.50 +15 14 55.1 V 703
2019-06-25 00:15:14 C 16 33 58.56 +14 25 56.4 q 160
2019-06-25 00:18:10 C 16 33 58.10 +14 25 54.0 q 160
2019-06-25 00:21:05 C 16 33 57.68 +14 25 51.3 q 160
2019-06-25 07:33:42 C 16 32 55.25 +14 20 05.1 V 703
2019-06-25 07:41:21 C 16 32 54.11 +14 19 58.7 V 703
2019-06-25 07:49:01 C 16 32 52.98 +14 19 52.7 V 703
2019-06-25 07:56:40 C 16 32 51.84 +14 19 46.3 V 703
2019-06-25 08:38:12 C 16 32 46.45 +14 19 16.2 V T05
2019-06-25 08:42:47 C 16 32 45.77 +14 19 12.6 V T05
2019-06-25 09:04:13 C 16 32 42.58 +14 18 55.1 V T05
2019-06-25 09:21:29 C 16 32 40.01 +14 18 41.1 V T05
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)