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
2015-07-16 23:54:23 C 21 24 13.40 +33 29 06.7 15.2 q 585
2015-07-16 23:55:48 C 21 24 13.37 +33 29 16.1 q 585
2015-07-16 23:56:14 C 21 24 13.33 +33 29 19.6 q 585
2015-07-16 23:56:41 C 21 24 13.30 +33 29 22.9 q 585
2015-07-16 23:57:07 C 21 24 13.24 +33 29 25.5 q 585
2015-07-16 23:57:47 C 21 24 13.17 +33 29 30.8 q 585
2015-07-16 23:58:11 C 21 24 13.21 +33 29 33.2 q 585
2015-07-16 23:58:25 C 21 24 14.26 +33 29 23.5 14.1 r 238
2015-07-16 23:58:37 C 21 24 13.15 +33 29 37.1 q 585
2015-07-16 23:59:02 C 21 24 13.13 +33 29 39.2 q 585
2015-07-16 23:59:29 C 21 24 13.06 +33 29 42.7 q 585
2015-07-16 23:59:55 C 21 24 13.08 +33 29 45.9 q 585
2015-07-17 00:00:36 C 21 24 12.97 +33 29 50.8 q 585
2015-07-17 00:00:59 C 21 24 12.98 +33 29 53.3 q 585
2015-07-17 00:01:25 C 21 24 12.99 +33 29 56.6 q 585
2015-07-17 00:02:04 C 21 24 12.86 +33 30 01.4 15.2 q 585
2015-07-17 00:03:28 C 21 24 12.81 +33 30 11.0 q 585
2015-07-17 00:03:55 C 21 24 12.75 +33 30 14.5 q 585
2015-07-17 00:04:20 C 21 24 12.68 +33 30 17.9 q 585
2015-07-17 00:05:01 C 21 24 12.67 +33 30 22.0 q 585
2015-07-17 00:05:24 C 21 24 12.68 +33 30 25.1 q 585
2015-07-17 00:05:50 C 21 24 12.65 +33 30 28.6 q 585
2015-07-17 00:06:17 C 21 24 12.58 +33 30 31.3 q 585
2015-07-17 00:06:43 C 21 24 12.58 +33 30 34.2 q 585
2015-07-17 00:07:09 C 21 24 12.51 +33 30 37.4 q 585
2015-07-17 00:07:35 C 21 24 12.53 +33 30 40.5 q 585
2015-07-17 00:08:15 C 21 24 12.43 +33 30 45.5 q 585
2015-07-17 00:08:39 C 21 24 12.44 +33 30 47.8 q 585
2015-07-17 00:09:06 C 21 24 12.37 +33 30 50.7 q 585
2015-07-17 00:09:31 C 21 24 12.40 +33 30 54.1 q 585
2015-07-17 00:10:09 C 21 24 12.28 +33 30 59.3 15.1 q 585
2015-07-17 00:11:34 C 21 24 12.22 +33 31 08.8 q 585
2015-07-17 00:12:00 C 21 24 12.06 +33 31 14.2 q 585
2015-07-17 00:12:41 C 21 24 12.11 +33 31 17.1 q 585
2015-07-17 00:13:04 C 21 24 12.08 +33 31 20.3 q 585
2015-07-17 00:13:31 C 21 24 12.07 +33 31 22.6 q 585
2015-07-17 00:13:57 C 21 24 12.04 +33 31 25.4 q 585
2015-07-17 00:14:23 C 21 24 11.98 +33 31 31.1 q 585
2015-07-17 00:14:49 C 21 24 11.99 +33 31 31.9 q 585
2015-07-17 00:15:29 C 21 24 11.91 +33 31 37.2 q 585
2015-07-17 00:15:52 C 21 24 11.91 +33 31 39.6 q 585
2015-07-17 00:16:03 C 21 24 13.10 +33 31 28.9 14.4 r 238
2015-07-17 00:16:19 C 21 24 11.87 +33 31 42.9 q 585
2015-07-17 00:16:45 C 21 24 11.84 +33 31 46.4 q 585
2015-07-17 00:17:11 C 21 24 11.65 +33 31 51.1 q 585
2015-07-17 00:17:50 C 21 24 11.73 +33 31 54.0 15.1 q 585
2015-07-17 00:19:14 C 21 24 11.65 +33 32 03.5 q 585
2015-07-17 00:19:54 C 21 24 11.59 +33 32 09.0 q 585
2015-07-17 00:20:18 C 21 24 11.58 +33 32 11.5 q 585
2015-07-17 00:20:45 C 21 24 11.48 +33 32 14.0 q 585
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)