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
2015-07-18 09:10:20 C 21 21 59.85 +38 01 57.3 u H21
2015-07-18 09:12:17 C 21 21 59.63 +38 02 15.5 u H21
2015-07-18 09:14:15 C 21 21 59.43 +38 02 33.7 u H21
2015-07-18 09:16:13 C 21 21 59.21 +38 02 52.1 u H21
2015-07-18 09:18:11 C 21 21 59.00 +38 03 10.2 u H21
2015-07-18 09:20:08 C 21 21 58.80 +38 03 28.6 u H21
2015-07-18 09:22:06 C 21 21 58.58 +38 03 46.8 u H21
2015-07-18 09:24:03 C 21 21 58.39 +38 04 05.2 u H21
2015-07-18 09:26:36 C 21 21 58.11 +38 04 28.9 u H21
2015-07-18 20:08:19 C 21 21 09.48 +39 49 44.1 t 073
2015-07-18 20:37:45 C 21 21 06.19 +39 54 53.4 t 073
2015-07-18 21:08:00 C 21 21 02.67 +40 00 14.0 t 073
2015-07-18 21:38:13 C 21 20 59.11 +40 05 33.4 t 073
2015-07-18 22:08:18 C 21 20 55.50 +40 10 52.8 t 073
2015-07-19 09:00:30 C 21 19 40.36 +42 11 39.8 q H45
2015-07-19 09:03:35 C 21 19 39.91 +42 12 15.2 q H45
2015-07-19 09:04:31 C 21 19 39.77 +42 12 26.1 q H45
2015-07-19 09:05:55 C 21 19 39.56 +42 12 42.6 q H45
2015-07-19 09:08:19 C 21 19 39.19 +42 13 10.1 q H45
2015-07-19 09:09:42 C 21 19 38.99 +42 13 26.2 q H45
2015-07-19 22:47:45 C 21 17 58.28 +45 02 42.5 q K38
2015-07-19 22:53:19 C 21 17 57.30 +45 03 57.3 q K38
2015-07-19 22:55:36 C 21 17 56.91 +45 04 27.7 q K38
2015-07-19 23:02:24 C 21 17 55.71 +45 05 59.0 q K38
2015-07-19 23:08:06 C 21 17 54.78 +45 07 14.7 q K38
2015-07-19 23:12:38 C 21 17 53.90 +45 08 16.3 q K38
2015-07-19 23:19:26 C 21 17 52.69 +45 09 47.7 q K38
2015-07-19 23:26:14 C 21 17 51.39 +45 11 17.7 q K38
2015-07-19 23:29:53 C 21 17 50.84 +45 12 08.8 q K38
2015-07-20 00:31:28 C 21 17 39.95 +45 25 47.1 q C23
2015-07-20 00:32:47 C 21 17 39.72 +45 26 04.8 q C23
2015-07-20 00:34:05 C 21 17 39.49 +45 26 22.5 q C23
2015-07-20 00:35:24 C 21 17 39.25 +45 26 40.3 q C23
2015-07-20 00:36:43 C 21 17 38.99 +45 26 58.3 q C23
2015-07-20 00:38:01 C 21 17 38.77 +45 27 15.7 q C23
2015-07-20 00:39:20 C 21 17 38.54 +45 27 33.5 q C23
2015-07-20 00:40:39 C 21 17 38.30 +45 27 51.1 q C23
2015-07-20 00:41:57 C 21 17 38.07 +45 28 08.9 q C23
2015-07-20 03:28:46 C 21 17 17.96 +46 06 05.4 q W19
2015-07-20 03:33:33 C 21 17 17.11 +46 07 12.9 q W19
2015-07-20 03:38:19 C 21 17 16.24 +46 08 20.1 q W19
2015-07-20 03:43:08 C 21 17 15.36 +46 09 28.1 q W19
2015-07-20 03:47:59 C 21 17 14.46 +46 10 36.6 q W19
2015-07-20 09:00:19 C 21 16 11.77 +47 25 29.9 q H45
2015-07-20 09:01:30 C 21 16 11.51 +47 25 47.1 q H45
2015-07-20 09:02:51 C 21 16 11.22 +47 26 06.5 q H45
2015-07-20 09:03:48 C 21 16 11.01 +47 26 20.4 q H45
2015-07-20 09:06:02 C 21 16 10.52 +47 26 53.1 q H45
2015-07-20 09:07:11 C 21 16 10.27 +47 27 09.9 q H45
2015-07-20 09:09:00 C 21 16 09.87 +47 27 36.3 q H45
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)