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
2000-07-01 14:42:00 C 17 55 40.80 +11 47 30.4 m 349
2000-07-01 21:43:45 C 17 54 12.25 +11 44 05.6 610
2000-07-01 21:47:45 C 17 54 11.38 +11 44 03.7 610
2000-07-01 21:51:46 C 17 54 10.51 +11 44 01.7 610
2000-07-01 21:55:46 C 17 54 09.64 +11 43 59.8 610
2000-07-01 21:59:46 C 17 54 08.78 +11 43 57.9 610
2000-07-01 23:12:51 C 17 53 52.53 +11 43 22.1 071
2000-07-01 23:20:06 C 17 53 50.65 +11 43 18.0 071
2000-07-01 23:27:42 C 17 53 49.35 +11 43 14.7 071
2000-07-02 21:21:05 C 17 49 11.24 +11 31 54.2 493
2000-07-02 21:31:01 C 17 49 09.11 +11 31 49.1 493
2000-07-02 21:46:01 C 17 49 05.83 +11 31 41.0 493
2000-07-02 21:56:46 C 17 49 03.52 +11 31 35.6 493
2000-07-02 22:49:27 C 17 48 51.13 +11 31 04.1 071
2000-07-02 22:53:28 C 17 48 50.32 +11 31 02.6 071
2000-07-02 22:57:29 C 17 48 49.42 +11 31 00.0 071
2000-07-03 05:44:38 C 17 47 23.42 +11 27 17.1 c 670
2000-07-03 08:11:18 C 17 46 51.10 +11 25 53.1 c 670
2000-07-03 09:03:16 C 17 46 39.67 +11 25 23.4 c 670
2000-07-03 21:31:07 C 17 43 59.85 +11 17 58.1 c 127
2000-07-03 21:37:16 C 17 43 58.53 +11 17 54.6 c 127
2000-07-03 21:43:24 C 17 43 57.16 +11 17 51.1 c 127
2000-07-03 23:42:19 C 17 43 30.35 +11 16 41.3 071
2000-07-03 23:46:20 C 17 43 29.48 +11 16 38.6 071
2000-07-03 23:50:21 C 17 43 28.52 +11 16 35.4 071
2000-07-05 04:55:10 C 17 37 12.29 +10 57 58.4 i 739
2000-07-05 05:01:11 C 17 37 10.84 +10 57 54.7 i 739
2000-07-05 05:03:26 C 17 37 10.48 +10 57 53.4 i 739
2000-07-05 14:29:34 C 17 35 07.15 +10 51 26.3 900
2000-07-05 14:40:16 C 17 35 04.73 +10 51 18.4 900
2000-07-05 15:38:01 C 17 34 51.93 +10 50 37.5 z 402
2000-07-05 15:39:49 C 17 34 51.51 +10 50 36.2 z 402
2000-07-05 15:41:38 C 17 34 51.12 +10 50 35.2 z 402
2000-07-05 20:49:13 C 17 33 45.59 +10 46 57.7 493
2000-07-05 20:58:39 C 17 33 43.57 +10 46 51.3 493
2000-07-05 21:12:48 C 17 33 40.30 +10 46 41.0 493
2000-07-05 21:40:41 C 17 33 33.78 +10 46 18.8 587
2000-07-05 21:46:07 C 17 33 32.63 +10 46 14.8 587
2000-07-06 20:57:01 C 17 28 29.99 +10 29 05.6 610
2000-07-06 21:01:01 C 17 28 29.10 +10 29 02.5 610
2000-07-06 21:05:00 C 17 28 28.21 +10 28 59.3 610
2000-07-06 21:09:00 C 17 28 27.31 +10 28 56.1 610
2000-07-06 21:13:01 C 17 28 26.42 +10 28 53.0 610
2000-07-10 03:44:58 C 17 11 22.60 +09 22 12.7 i 739
2000-07-10 03:47:13 C 17 11 22.11 +09 22 11.2 i 739
2000-07-10 03:49:33 C 17 11 21.50 +09 22 07.9 i 739
2000-07-11 06:27:59 C 17 05 37.34 +08 56 39.3 c 658
2000-07-11 06:29:58 C 17 05 36.87 +08 56 37.3 c 658
2000-07-11 06:34:38 C 17 05 35.91 +08 56 33.0 c 658
2000-07-12 07:22:35 C 17 00 18.14 +08 31 43.3 c 658
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)