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
2018-05-06 07:54:29 C 07 54 35.01 +72 48 46.7 U T05
2018-05-06 07:55:09 C 07 54 35.85 +72 48 45.9 U T05
2018-05-06 07:59:59 C 07 54 42.43 +72 48 42.9 U T05
2018-05-06 08:04:05 C 07 54 47.27 +72 48 41.4 U T05
2018-05-06 08:17:39 C 07 55 04.68 +72 48 35.0 U T05
2018-05-06 08:21:02 C 07 55 08.96 +72 48 33.0 U T05
2018-05-10 07:51:48 C 09 42 05.45 +70 11 15.2 U T05
2018-05-10 07:58:34 C 09 42 11.41 +70 10 57.3 U T05
2018-05-10 08:11:56 C 09 42 23.41 +70 10 21.1 U T05
2018-05-10 08:20:44 C 09 42 31.28 +70 09 57.2 U T05
2018-05-10 08:25:24 C 09 42 35.47 +70 09 45.0 U T05
2018-05-10 08:29:23 C 09 42 39.01 +70 09 33.8 U T05
2018-05-10 08:36:06 C 09 42 45.03 +70 09 15.3 U T05
2018-05-10 08:46:52 C 09 42 54.64 +70 08 46.4 U T05
2018-05-13 04:32:24 C 10 34 21.84 +66 42 57.3 U 703
2018-05-13 04:40:52 C 10 34 26.97 +66 42 28.4 U 703
2018-05-13 04:57:49 C 10 34 37.60 +66 41 32.6 U 703
2018-05-13 10:14:43 C 10 37 51.28 +66 23 45.2 U T05
2018-05-13 10:49:22 C 10 38 12.15 +66 21 45.6 U T05
2018-05-13 11:13:32 C 10 38 26.69 +66 20 22.5 U T05
2018-05-14 08:38:16 C 10 50 40.68 +65 07 24.3 U T05
2018-05-14 09:02:16 C 10 50 53.32 +65 06 00.0 U T05
2018-05-14 09:03:35 C 10 50 54.01 +65 05 54.7 U T05
2018-05-14 09:29:39 C 10 51 07.78 +65 04 23.0 U T05
2018-05-14 09:30:19 C 10 51 08.11 +65 04 20.9 U T05
2018-05-14 09:49:34 C 10 51 18.28 +65 03 12.4 U T05
2018-05-14 09:51:33 C 10 51 19.33 +65 03 05.4 U T05
2018-05-14 10:17:29 C 10 51 33.00 +65 01 33.5 U T05
2018-05-16 08:39:39 C 11 13 30.53 +62 18 19.6 U T08
2018-05-16 08:54:43 C 11 13 36.76 +62 17 25.0 U T08
2018-05-16 09:08:40 C 11 13 42.45 +62 16 34.7 U T08
2018-05-16 09:11:59 C 11 13 43.83 +62 16 22.5 U T08
2018-05-16 09:26:40 C 11 13 49.87 +62 15 30.1 U T08
2018-05-16 09:29:18 C 11 13 50.94 +62 15 20.6 U T08
2018-05-16 09:37:16 C 11 13 54.20 +62 14 51.0 U T08
2018-05-16 10:04:47 C 11 14 05.49 +62 13 11.7 U T08
2018-05-18 05:53:06 C 11 30 31.53 +59 37 17.9 U 703
2018-05-18 06:00:52 C 11 30 34.10 +59 36 49.9 U 703
2018-05-18 06:08:40 C 11 30 36.64 +59 36 21.8 U 703
2018-05-18 06:16:27 C 11 30 39.21 +59 35 53.8 U 703
2018-05-18 08:52:24 C 11 31 31.47 +59 26 45.3 U T05
2018-05-18 09:03:48 C 11 31 35.15 +59 26 04.5 U T05
2018-05-18 09:09:06 C 11 31 36.88 +59 25 45.2 U T05
2018-05-18 09:29:15 C 11 31 43.42 +59 24 32.8 U T05
2018-05-20 06:26:10 C 11 45 16.755 +56 46 43.87 U F51
2018-05-20 06:45:38 C 11 45 21.870 +56 45 36.01 U F51
2018-05-20 07:05:12 C 11 45 26.985 +56 44 27.89 U F51
2018-05-20 09:11:22 C 11 45 59.93 +56 37 06.3 U T08
2018-05-20 09:31:09 C 11 46 05.14 +56 35 56.7 U T08
2018-05-20 09:50:11 C 11 46 10.22 +56 34 49.4 U T08
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)