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
2019-07-06 09:36:57 C 15 59 55.599 +10 10 59.83 U F52
2019-07-06 09:54:38 C 15 59 53.726 +10 10 41.67 U F52
2019-07-09 04:56:47 C 15 53 24.08 +09 01 22.8 V 703
2019-07-09 05:04:58 C 15 53 23.27 +09 01 14.0 V 703
2019-07-09 05:13:11 C 15 53 22.53 +09 01 05.9 V 703
2019-07-09 05:21:22 C 15 53 21.72 +09 00 57.1 V 703
2019-07-09 10:21:39 C 15 52 53.96 +08 55 46.6 V T08
2019-07-09 10:26:59 C 15 52 53.46 +08 55 40.7 V T08
2019-07-09 10:35:07 C 15 52 52.68 +08 55 32.3 V T08
2019-07-09 10:49:53 C 15 52 51.34 +08 55 16.6 V T08
2019-07-10 22:51:39 C 15 49 42.12 +08 17 28.8 q 160
2019-07-10 22:54:38 C 15 49 41.84 +08 17 25.5 q 160
2019-07-10 22:57:37 C 15 49 41.63 +08 17 22.3 q 160
2019-07-14 08:56:02 C 15 43 16.36 +06 51 10.1 V T05
2019-07-14 09:01:53 C 15 43 15.94 +06 51 03.8 V T05
2019-07-14 09:11:06 C 15 43 15.23 +06 50 54.5 V T05
2019-07-14 09:25:58 C 15 43 14.12 +06 50 38.3 V T05
2019-07-16 09:32:43 C 15 39 56.55 +05 59 58.3 V T08
2019-07-16 09:36:54 C 15 39 56.27 +05 59 53.2 V T08
2019-07-16 09:47:02 C 15 39 55.57 +05 59 42.6 V T08
2019-07-16 10:01:11 C 15 39 54.64 +05 59 27.6 V T08
2019-07-16 21:47:50 C 15 39 09.74 +05 46 59.9 q 160
2019-07-16 21:50:51 C 15 39 09.52 +05 46 56.4 q 160
2019-07-16 21:53:53 C 15 39 09.33 +05 46 53.2 q 160
2019-07-18 08:18:40 C 15 37 03.98 +05 10 52.2 V T05
2019-07-18 08:19:20 C 15 37 03.93 +05 10 51.7 V T05
2019-07-18 08:23:27 C 15 37 03.68 +05 10 47.1 V T05
2019-07-18 08:24:06 C 15 37 03.64 +05 10 46.5 V T05
2019-07-18 08:31:26 C 15 37 03.20 +05 10 38.7 V T05
2019-07-18 08:32:06 C 15 37 03.13 +05 10 38.7 V T05
2019-07-18 08:46:31 C 15 37 02.27 +05 10 22.9 V T05
2019-07-19 21:37:17 C 15 34 59.21 +04 31 46.6 V A16
2019-07-19 22:11:03 C 15 34 57.34 +04 31 12.2 V A16
2019-07-19 22:44:53 C 15 34 55.46 +04 30 36.4 V A16
2019-07-20 21:16:03 C 15 33 45.95 +04 07 12.3 q 160
2019-07-20 21:19:05 C 15 33 45.79 +04 07 09.0 q 160
2019-07-20 21:22:06 C 15 33 45.65 +04 07 06.2 q 160
2019-07-21 04:54:43 S 15 33 23.50 +03 59 25.6 L C51
2019-07-21 08:03:02 S 15 33 14.30 +03 56 10.7 L C51
2019-07-21 12:45:36 S 15 33 00.61 +03 51 17.3 L C51
2019-07-21 14:19:51 S 15 32 56.10 +03 49 39.8 L C51
2019-07-21 15:53:55 S 15 32 51.60 +03 48 02.1 L C51
2019-07-21 15:54:06 S 15 32 51.58 +03 48 01.9 L C51
2019-07-21 17:28:10 S 15 32 47.10 +03 46 24.7 L C51
2019-07-21 19:02:25 S 15 32 42.64 +03 44 47.0 L C51
2019-07-21 21:40:23 C 15 32 34.84 +03 41 54.6 q 160
2019-07-21 21:43:43 C 15 32 34.70 +03 41 52.3 q 160
2019-07-21 21:46:59 C 15 32 34.57 +03 41 48.6 q 160
2019-07-21 22:10:44 S 15 32 33.763 +03 41 33.54 L C51
2019-07-22 07:47:29 C 15 32 06.78 +03 31 31.9 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)