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
2018-06-16 08:17:52 C 13 06 38.93 +28 28 13.0 U T08
2018-06-16 08:31:17 C 13 06 39.81 +28 27 47.5 U T08
2018-06-16 08:46:25 C 13 06 40.80 +28 27 18.9 U T08
2018-06-16 09:02:42 C 13 06 41.99 +28 26 48.1 U T08
2018-06-18 08:14:24 C 13 09 58.77 +27 00 10.7 U T05
2018-06-18 08:29:32 C 13 09 59.75 +26 59 43.3 U T05
2018-06-18 08:44:47 C 13 10 00.77 +26 59 15.8 U T05
2018-06-18 09:01:19 C 13 10 01.85 +26 58 45.7 U T05
2018-06-20 04:25:14 C 13 12 57.88 +25 42 12.9 U 703
2018-06-20 04:33:36 C 13 12 58.40 +25 41 58.5 U 703
2018-06-20 04:41:57 C 13 12 58.98 +25 41 42.8 U 703
2018-06-20 04:50:18 C 13 12 59.43 +25 41 28.0 U 703
2018-06-22 08:10:30 C 13 16 21.97 +24 14 32.5 U T05
2018-06-22 08:22:58 C 13 16 22.78 +24 14 11.8 U T05
2018-06-22 08:37:41 C 13 16 23.72 +24 13 46.7 U T05
2018-06-22 08:51:38 C 13 16 24.56 +24 13 24.1 U T05
2018-06-24 05:26:27 C 13 19 16.73 +23 00 47.8 U 703
2018-06-24 05:34:09 C 13 19 17.21 +23 00 35.4 U 703
2018-06-24 05:41:52 C 13 19 17.66 +23 00 22.6 U 703
2018-06-24 05:49:34 C 13 19 18.18 +23 00 10.5 U 703
2018-06-26 07:22:33 C 13 22 26.24 +21 42 31.3 U T05
2018-06-26 07:35:50 C 13 22 27.00 +21 42 10.8 U T05
2018-06-26 07:47:37 C 13 22 27.71 +21 41 53.0 U T05
2018-06-26 08:06:32 C 13 22 28.85 +21 41 23.4 U T05
2018-07-02 04:54:30 C 13 31 08.63 +18 15 48.0 U 703
2018-07-02 05:02:02 C 13 31 09.05 +18 15 37.7 U 703
2018-07-02 05:09:33 C 13 31 09.52 +18 15 27.0 U 703
2018-07-02 05:17:05 C 13 31 09.98 +18 15 17.1 U 703
2018-07-04 06:43:11 C 13 34 09.31 +17 07 53.7 U T05
2018-07-04 06:57:46 C 13 34 10.15 +17 07 33.2 U T05
2018-07-04 07:12:31 C 13 34 10.99 +17 07 14.1 U T05
2018-07-04 07:26:44 C 13 34 11.85 +17 06 54.6 U T05
2018-07-08 06:19:07 C 13 39 53.19 +15 03 30.2 U U63
2018-07-08 06:24:26 C 13 39 53.51 +15 03 22.2 U U63
2018-07-08 06:40:13 C 13 39 54.45 +15 03 02.6 U U63
2018-07-08 06:50:41 C 13 39 55.05 +15 02 50.0 U U63
2018-07-16 07:08:25 C 13 51 25.24 +11 13 49.9 U T05
2018-07-16 07:39:45 C 13 51 27.07 +11 13 14.2 U T05
2018-07-16 07:46:06 C 13 51 27.42 +11 13 07.3 U T05
2018-07-16 07:55:26 C 13 51 28.03 +11 12 58.7 U T05
2019-04-12 11:18:58 S 19 19 44.254 +05 33 28.04 L C51
2019-04-12 17:35:47 S 19 19 46.351 +05 37 34.21 L C51
2019-04-12 22:18:21 S 19 19 47.899 +05 40 37.96 L C51
2019-04-13 14:00:18 S 19 19 52.303 +05 50 52.33 L C51
2019-04-13 14:00:30 S 19 19 52.229 +05 50 52.94 L C51
2019-05-01 03:13:31 C 19 13 45.42 +10 37 09.3 V C95
2019-05-01 03:15:50 C 19 13 45.35 +10 37 10.9 V C95
2019-05-01 03:18:04 C 19 13 45.24 +10 37 12.4 V C95
2019-05-01 03:20:18 C 19 13 45.18 +10 37 14.9 V C95
2019-05-14 12:15:06 C 18 54 58.93 +14 14 11.8 V T08
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)