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
2013-06-11 21:56:59 C 12 19 26.91 +32 53 07.9 i C91
2013-06-11 22:00:59 C 12 19 27.42 +32 53 00.4 i C91
2013-06-11 22:05:00 C 12 19 28.12 +32 52 51.1 i C91
2013-06-12 21:55:03 C 12 22 38.02 +32 05 04.1 q C77
2013-06-12 21:59:49 C 12 22 38.65 +32 04 54.6 q C77
2013-06-12 22:04:28 C 12 22 39.25 +32 04 45.5 q C77
2013-06-12 22:09:24 C 12 22 39.89 +32 04 35.3 q C77
2013-06-12 22:14:20 C 12 22 40.52 +32 04 25.4 q C77
2013-06-15 04:26:49 C 12 29 29.54 +30 19 06.7 u 703
2013-06-15 04:36:48 C 12 29 30.76 +30 18 49.2 u 703
2013-06-15 04:46:43 C 12 29 31.92 +30 18 28.9 u 703
2013-06-15 04:56:39 C 12 29 32.96 +30 18 10.4 u 703
2013-06-20 04:25:10 C 12 43 01.48 +26 41 14.7 u 703
2013-06-20 04:32:28 C 12 43 02.35 +26 41 01.3 u 703
2013-06-20 04:39:49 C 12 43 03.07 +26 40 49.0 u 703
2013-06-20 04:47:07 C 12 43 03.75 +26 40 36.7 u 703
2013-09-02 23:22:24 C 15 01 09.50 -05 09 20.7 u 807
2013-09-02 23:27:49 C 15 01 09.88 -05 09 24.7 u 807
2013-09-02 23:33:13 C 15 01 10.29 -05 09 28.7 u 807
2014-05-02 03:25:15 C 19 01 30.91 +14 36 40.7 q Z81
2014-05-02 03:50:55 C 19 01 29.13 +14 37 00.5 q Z81
2014-05-02 04:14:26 C 19 01 27.56 +14 37 18.1 q Z81
2014-05-02 04:28:51 C 19 01 26.62 +14 37 29.1 q Z81
2014-05-17 07:48:09 C 18 27 42.73 +18 44 24.6 u H21
2014-05-17 07:51:33 C 18 27 42.30 +18 44 26.2 u H21
2014-05-17 07:54:16 C 18 27 41.96 +18 44 28.1 u H21
2014-05-17 07:56:59 C 18 27 41.62 +18 44 29.5 u H21
2014-05-17 07:59:41 C 18 27 41.27 +18 44 31.0 u H21
2014-05-17 08:03:04 C 18 27 40.85 +18 44 32.8 u H21
2014-05-18 08:45:05 C 18 24 36.17 +18 57 48.5 u H21
2014-05-18 08:48:09 C 18 24 35.76 +18 57 50.3 u H21
2014-05-18 08:51:23 C 18 24 35.34 +18 57 51.9 u H21
2014-05-18 08:54:27 C 18 24 34.95 +18 57 53.5 u H21
2014-05-18 08:57:31 C 18 24 34.54 +18 57 55.5 u H21
2014-05-27 06:10:28 C 17 54 12.63 +20 18 32.7 o 926
2014-05-27 06:39:48 C 17 54 07.96 +20 18 39.1 o 926
2014-05-27 07:15:33 C 17 54 02.21 +20 18 47.2 o 926
2014-05-30 08:51:46 C 17 42 13.56 +20 28 56.7 o 695
2014-05-30 09:02:38 C 17 42 11.74 +20 28 57.4 o 695
2014-05-30 09:17:26 C 17 42 09.25 +20 28 58.3 o 695
2014-05-31 09:31:04 C 17 38 10.04 +20 29 59.9 o 695
2014-05-31 09:45:01 C 17 38 07.68 +20 30 00.1 o 695
2014-05-31 09:59:21 C 17 38 05.25 +20 30 00.2 o 695
2014-06-02 07:08:16 C 17 30 34.57 +20 28 43.1 q 703
2014-06-02 07:15:28 C 17 30 33.37 +20 28 43.4 q 703
2014-06-02 07:22:41 C 17 30 32.06 +20 28 42.4 q 703
2014-06-02 07:29:53 C 17 30 30.91 +20 28 41.6 q 703
2014-06-07 05:35:27 C 17 10 34.22 +20 05 20.3 u H21
2014-06-07 05:38:42 C 17 10 33.67 +20 05 19.0 u H21
2014-06-07 05:41:12 C 17 10 33.23 +20 05 18.6 u H21
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)