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
2019-05-14 12:19:13 C 18 54 58.59 +14 14 14.0 V T08
2019-05-14 12:54:02 C 18 54 55.56 +14 14 36.6 V T08
2019-05-16 01:24:02 C 18 51 48.61 +14 37 13.0 q 160
2019-05-16 01:27:54 C 18 51 48.22 +14 37 15.5 q 160
2019-05-21 09:36:04 C 18 39 08.83 +15 50 36.3 V T05
2019-05-21 09:52:50 C 18 39 06.95 +15 50 45.0 V T05
2019-05-21 10:10:23 C 18 39 04.98 +15 50 54.5 V T05
2019-05-21 10:28:29 C 18 39 02.93 +15 51 04.6 V T05
2019-05-21 11:05:21 C 18 38 58.79 +15 51 24.6 V T05
2019-05-21 11:08:06 C 18 38 58.47 +15 51 25.8 V T05
2019-05-21 11:23:14 C 18 38 56.73 +15 51 33.4 V T05
2019-05-21 11:39:42 C 18 38 54.85 +15 51 42.4 V T05
2019-05-21 16:56:42 C 18 38 19.97 +15 54 23.7 q D29
2019-05-21 17:09:51 C 18 38 18.45 +15 54 30.8 q D29
2019-05-24 10:56:48 C 18 30 40.10 +16 26 35.7 V T05
2019-05-24 11:20:22 C 18 30 37.15 +16 26 46.9 V T05
2019-05-24 11:37:28 C 18 30 35.00 +16 26 54.4 V T05
2019-05-28 10:58:08 C 18 18 15.61 +17 04 49.3 V T05
2019-05-28 11:03:37 C 18 18 14.82 +17 04 51.2 V T05
2019-05-28 11:11:53 C 18 18 13.66 +17 04 54.3 V T05
2019-06-01 09:40:41 C 18 04 41.34 +17 30 13.4 V T05
2019-06-01 09:44:42 C 18 04 40.72 +17 30 14.3 V T05
2019-06-01 09:54:32 C 18 04 39.21 +17 30 16.2 V T05
2019-06-01 10:16:23 C 18 04 35.83 +17 30 20.7 V T05
2019-06-02 01:04:17 C 18 02 21.60 +17 32 55.9 q 160
2019-06-02 01:06:03 C 18 02 21.33 +17 32 56.3 q 160
2019-06-02 01:12:35 C 18 02 20.30 +17 32 57.2 q 160
2019-06-02 12:43:02 C 18 00 35.090 +17 34 53.49 U F52
2019-06-02 12:59:48 C 18 00 32.446 +17 34 55.88 U F52
2019-06-02 13:16:34 C 18 00 29.809 +17 34 58.26 U F52
2019-06-02 13:33:22 C 18 00 27.167 +17 35 00.59 U F52
2019-06-03 09:00:51 C 17 57 28.57 +17 37 33.5 V T08
2019-06-03 09:05:39 C 17 57 27.81 +17 37 34.1 V T08
2019-06-03 09:20:50 C 17 57 25.40 +17 37 36.2 V T08
2019-06-03 09:38:57 C 17 57 22.49 +17 37 38.5 V T08
2019-06-05 10:10:37 C 17 49 43.69 +17 41 00.9 V T05
2019-06-05 10:25:48 C 17 49 41.19 +17 41 01.3 V T05
2019-06-05 10:30:45 C 17 49 40.38 +17 41 01.5 V T05
2019-06-05 10:45:01 C 17 49 38.02 +17 41 02.2 V T05
2019-06-06 00:41:36 C 17 47 23.59 +17 41 04.8 q 160
2019-06-06 00:44:30 C 17 47 23.11 +17 41 04.8 q 160
2019-06-06 00:47:23 C 17 47 22.64 +17 41 04.8 q 160
2019-06-06 23:16:26 C 17 43 44.75 +17 40 33.2 q 160
2019-06-06 23:19:10 C 17 43 44.31 +17 40 33.1 q 160
2019-06-06 23:22:03 C 17 43 43.80 +17 40 32.9 q 160
2019-06-08 07:41:00 C 17 38 26.73 +17 38 08.9 V 703
2019-06-08 07:49:33 C 17 38 25.23 +17 38 06.8 V 703
2019-06-08 07:58:04 C 17 38 23.81 +17 38 07.5 V 703
2019-06-08 12:39:54 C 17 37 36.920 +17 37 38.05 U F52
2019-06-08 12:57:31 C 17 37 33.947 +17 37 35.81 U F52
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)