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
2024-06-30 03:16:40 C 16 39 37.366 +11 58 27.88 V W68
2024-06-30 03:17:19 C 16 39 37.142 +11 58 26.87 V W68
2024-06-30 03:31:22 C 16 39 35.114 +11 58 15.46 V W68
2024-06-30 03:32:01 C 16 39 35.004 +11 58 15.06 V W68
2024-06-30 10:21:23 C 16 38 33.748 +11 52 12.22 X F51
2024-06-30 10:38:49 C 16 38 31.089 +11 51 57.23 X F51
2024-06-30 10:56:13 C 16 38 28.436 +11 51 42.16 X F51
2024-07-01 10:07:36 C 16 35 04.447 +11 31 34.86 V T05
2024-07-01 10:15:02 C 16 35 03.324 +11 31 28.20 V T05
2024-07-01 10:19:37 C 16 35 02.642 +11 31 24.06 V T05
2024-07-01 10:37:05 C 16 35 00.046 +11 31 08.62 V T05
2024-07-01 20:41:51 C 16 33 33.305 +11 22 27.16 V M22
2024-07-01 20:46:31 C 16 33 32.609 +11 22 23.23 V M22
2024-07-01 20:53:58 C 16 33 31.512 +11 22 16.54 V M22
2024-07-02 20:29:32 C 16 30 10.80 +11 00 34.3 V G17
2024-07-02 20:44:58 C 16 30 08.57 +11 00 20.3 V G17
2024-07-03 09:03:59 C 16 28 25.318 +10 49 04.91 V T08
2024-07-03 09:08:43 C 16 28 24.634 +10 49 00.55 V T08
2024-07-03 09:16:28 C 16 28 23.527 +10 48 53.21 V T08
2024-07-03 09:32:09 C 16 28 21.264 +10 48 38.74 V T08
2024-07-04 02:49:25 C 16 25 59.498 +10 32 40.99 V W68
2024-07-04 02:53:59 C 16 25 58.862 +10 32 36.17 V W68
2024-07-04 03:01:48 C 16 25 57.756 +10 32 29.04 V W68
2024-07-04 03:32:32 C 16 25 53.453 +10 31 59.95 V W68
2024-07-04 09:54:26 C 16 25 01.674 +10 25 43.33 X F52
2024-07-04 10:10:35 C 16 24 59.433 +10 25 27.84 X F52
2024-07-04 10:26:48 C 16 24 57.183 +10 25 12.28 X F52
2024-07-04 21:23:04 C 16 23 30.005 +10 14 39.26 X M26
2024-07-04 21:26:51 C 16 23 29.494 +10 14 35.77 X M26
2024-07-04 21:30:16 C 16 23 29.004 +10 14 32.46 X M26
2024-07-05 08:31:18 C 16 22 01.834 +10 04 00.98 V T05
2024-07-05 08:35:25 C 16 22 01.272 +10 03 56.99 V T05
2024-07-05 08:43:13 C 16 22 00.214 +10 03 49.39 V T05
2024-07-05 08:58:01 C 16 21 58.212 +10 03 35.03 V T05
2024-07-06 21:15:11 C 16 17 19.292 +09 27 51.90 W M01
2024-07-06 22:37:06 C 16 17 08.851 +09 26 29.13 W M01
2024-07-07 18:54:22 C 16 14 39.554 +09 06 10.98 W M01
2024-07-07 21:09:22 C 16 14 22.646 +09 03 56.26 W M01
2024-07-07 22:01:17 B 16 14 16.61 +09 02 59.1 X K19
2024-07-07 22:06:32 B 16 14 15.96 +09 02 53.8 X K19
2024-07-07 22:11:47 B 16 14 15.30 +09 02 48.6 X K19
2024-07-07 22:17:50 C 16 14 14.172 +09 02 44.33 W M01
2024-07-08 02:27:21 C 16 13 44.616 +08 58 50.12 V W68
2024-07-08 02:31:56 C 16 13 44.052 +08 58 45.34 V W68
2024-07-08 02:41:02 C 16 13 42.907 +08 58 36.12 V W68
2024-07-08 02:56:06 C 16 13 41.035 +08 58 21.04 V W68
2024-07-08 20:34:55 C 16 11 35.101 +08 40 07.73 W M01
2024-07-08 21:43:09 C 16 11 26.861 +08 38 56.42 W M01
2024-07-09 08:12:07 C 16 10 14.210 +08 28 14.77 V T05
2024-07-09 08:16:10 C 16 10 13.759 +08 28 10.56 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)