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
2023-05-11 21:20:43 C 13 34 11.62 +69 03 44.6 M32
2023-05-11 21:23:30 C 13 34 11.45 +69 03 32.2 M32
2023-05-11 21:23:54 C 13 34 11.43 +69 03 30.1 M32
2023-05-11 21:24:17 C 13 34 11.39 +69 03 28.3 M32
2023-05-11 21:27:04 C 13 34 11.19 +69 03 15.5 M32
2023-05-11 21:27:27 C 13 34 11.15 +69 03 13.7 M32
2023-05-11 21:29:26 C 13 34 11.00 +69 03 04.7 M32
2023-05-11 21:31:02 C 13 34 10.81 +69 02 57.2 M32
2023-05-11 21:31:26 C 13 34 10.82 +69 02 55.5 M32
2023-05-12 10:21:29 C 13 33 24.833 +68 04 55.92 V T05
2023-05-12 10:26:19 C 13 33 24.557 +68 04 34.00 V T05
2023-05-12 10:33:48 C 13 33 24.002 +68 03 59.83 V T05
2023-05-12 10:48:19 C 13 33 22.966 +68 02 54.20 V T05
2023-05-13 20:03:37 C 13 31 50.95 +65 35 56.5 M32
2023-05-13 20:04:02 C 13 31 50.91 +65 35 54.8 M32
2023-05-13 20:08:10 C 13 31 50.77 +65 35 37.0 M32
2023-05-13 20:08:35 C 13 31 50.72 +65 35 35.0 M32
2023-05-13 20:14:22 C 13 31 50.39 +65 35 10.1 M32
2023-05-13 20:14:47 C 13 31 50.37 +65 35 08.2 M32
2023-05-13 20:18:30 C 13 31 50.16 +65 34 52.2 M32
2023-05-13 20:19:20 C 13 31 50.13 +65 34 48.2 M32
2023-05-13 20:19:45 C 13 31 50.14 +65 34 46.6 M32
2023-05-14 09:23:56 C 13 31 18.794 +64 38 42.50 V T05
2023-05-14 09:28:33 C 13 31 18.521 +64 38 22.45 V T05
2023-05-14 09:37:19 C 13 31 18.120 +64 37 44.76 V T05
2023-05-14 09:51:44 C 13 31 17.364 +64 36 42.77 V T05
2023-05-14 20:34:06 C 13 30 55.86 +63 51 06.7 X L99
2023-05-14 20:38:26 C 13 30 55.66 +63 50 49.4 X L99
2023-05-14 20:42:26 C 13 30 55.40 +63 50 31.2 X L99
2023-05-14 20:46:26 C 13 30 55.23 +63 50 14.9 X L99
2023-05-15 02:47:49 B 13 30 44.36 +63 24 58.4 V H89
2023-05-15 03:58:26 C 13 30 43.277 +63 20 05.14 Z U76
2023-05-15 04:07:57 B 13 30 40.90 +63 19 22.7 V H89
2023-05-15 04:08:37 C 13 30 42.996 +63 19 22.87 Z U76
2023-05-15 04:21:06 C 13 30 42.422 +63 18 31.79 Z U76
2023-05-15 05:24:14 B 13 30 37.81 +63 14 01.6 V H89
2023-05-15 20:56:57 B 13 30 13.306 +62 09 43.84 Z Y89
2023-05-15 21:11:44 B 13 30 12.770 +62 08 43.64 Z Y89
2023-05-15 21:20:38 C 13 30 11.54 +62 08 04.4 Y 557
2023-05-15 21:22:14 B 13 30 12.380 +62 08 00.70 Z Y89
2023-05-15 21:32:44 B 13 30 11.981 +62 07 18.01 Z Y89
2023-05-15 21:43:15 B 13 30 11.555 +62 06 35.10 Z Y89
2023-05-15 21:51:36 C 13 30 10.43 +62 05 57.4 Y 557
2023-05-15 21:53:42 B 13 30 11.200 +62 05 52.31 Z Y89
2023-05-15 22:04:10 B 13 30 10.797 +62 05 09.61 Z Y89
2023-05-15 22:14:41 B 13 30 10.381 +62 04 26.72 Z Y89
2023-05-15 22:21:01 C 13 30 09.34 +62 03 56.5 Y 557
2023-05-15 22:25:14 B 13 30 09.979 +62 03 43.79 Z Y89
2023-05-15 22:35:46 B 13 30 09.601 +62 03 00.56 Z Y89
2023-05-15 22:50:26 C 13 30 08.30 +62 01 55.2 Y 557
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)