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
2014-06-07 05:43:42 C 17 10 32.80 +20 05 17.8 u H21
2014-06-07 05:47:27 C 17 10 32.16 +20 05 16.5 u H21
2014-06-07 05:49:57 C 17 10 31.73 +20 05 15.7 u H21
2014-06-07 05:52:42 C 17 10 31.24 +20 05 14.8 u H21
2014-06-07 05:55:43 C 17 10 30.73 +20 05 13.9 u H21
2014-06-07 05:58:13 C 17 10 30.31 +20 05 12.8 u H21
2014-06-08 07:36:52 C 17 06 11.18 +19 56 23.0 q G96
2014-06-08 07:48:06 C 17 06 09.24 +19 56 18.6 q G96
2014-06-08 07:59:20 C 17 06 07.30 +19 56 14.5 q G96
2014-06-08 08:10:35 C 17 06 05.36 +19 56 10.3 q G96
2014-06-08 09:28:03 C 17 05 51.97 +19 55 40.1 R G45
2014-06-08 09:42:46 C 17 05 49.44 +19 55 34.4 R G45
2014-06-08 09:42:51 C 17 05 49.44 +19 55 34.5 R G45
2014-06-08 10:19:14 C 17 05 43.22 +19 55 20.2 R G45
2014-06-08 10:36:40 C 17 05 40.25 +19 55 13.1 R G45
2014-06-09 04:52:43 C 17 02 38.12 +19 48 00.7 q 703
2014-06-09 04:59:13 C 17 02 37.00 +19 47 58.3 q 703
2014-06-09 05:05:44 C 17 02 35.91 +19 47 55.5 q 703
2014-06-09 05:12:14 C 17 02 34.79 +19 47 53.0 q 703
2014-06-14 04:44:42 C 16 43 05.26 +18 44 51.5 u H21
2014-06-14 04:49:18 C 16 43 04.51 +18 44 48.6 u H21
2014-06-14 04:53:56 C 16 43 03.76 +18 44 45.7 u H21
2014-06-14 05:17:37 C 16 42 59.97 +18 44 31.2 u H21
2014-06-14 05:22:43 C 16 42 59.12 +18 44 27.7 u H21
2014-06-14 05:27:50 C 16 42 58.28 +18 44 24.5 u H21
2014-06-14 05:32:56 C 16 42 57.44 +18 44 21.1 u H21
2014-06-15 04:59:53 C 16 39 17.25 +18 29 00.5 u H21
2014-06-15 05:03:26 C 16 39 16.68 +18 28 58.2 u H21
2014-06-15 05:06:59 C 16 39 16.11 +18 28 55.8 u H21
2014-06-15 05:10:29 C 16 39 15.56 +18 28 53.4 u H21
2014-06-15 05:13:59 C 16 39 15.00 +18 28 51.0 u H21
2014-06-15 05:17:28 C 16 39 14.45 +18 28 48.7 u H21
2014-06-15 06:22:01 C 16 39 04.18 +18 28 04.7 u H21
2014-06-15 06:24:58 C 16 39 03.72 +18 28 02.9 u H21
2014-06-15 06:27:48 C 16 39 03.25 +18 28 01.2 u H21
2014-06-15 06:30:37 C 16 39 02.82 +18 27 58.9 u H21
2014-06-15 06:33:42 C 16 39 02.34 +18 27 56.6 u H21
2014-06-17 08:00:19 C 16 31 30.43 +17 52 39.1 q 703
2014-06-17 08:21:17 C 16 31 27.42 +17 52 24.5 q 703
2014-06-17 08:31:46 C 16 31 25.82 +17 52 16.4 q 703
2014-06-18 11:44:03 C 16 27 25.160 +17 31 20.99 L F51
2014-06-18 12:04:07 C 16 27 22.168 +17 31 04.85 L F51
2014-06-18 12:24:27 C 16 27 19.149 +17 30 48.52 L F51
2014-06-21 06:05:45 C 16 18 04.69 +16 36 05.7 q H45
2014-06-21 06:07:40 C 16 18 04.44 +16 36 03.7 q H45
2014-06-21 06:09:21 C 16 18 04.19 +16 36 02.3 q H45
2014-06-21 06:11:17 C 16 18 03.92 +16 36 00.8 q H45
2014-06-21 06:13:02 C 16 18 03.70 +16 35 58.9 q H45
2014-06-21 06:14:26 C 16 18 03.48 +16 35 58.1 q H45
2014-06-25 02:29:30 C 16 06 11.62 +15 11 15.8 q I15
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)