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
2005-07-12 22:08:21 C 17 39 54.98 +10 52 16.4 c J93
2005-07-12 22:13:28 C 17 39 53.69 +10 52 11.6 c J93
2005-07-12 22:18:35 C 17 39 52.12 +10 52 07.1 c J93
2005-07-14 20:48:08 C 17 26 04.68 +10 09 24.7 r 203
2005-07-14 21:27:45 C 17 25 52.75 +10 08 47.3 r 170
2005-07-14 21:30:04 C 17 25 52.02 +10 08 45.1 r 170
2005-07-14 21:32:23 C 17 25 51.30 +10 08 42.7 r 170
2005-07-14 21:56:42 C 17 25 43.89 +10 08 19.3 r 941
2005-07-14 21:57:55 C 17 25 43.51 +10 08 18.0 r 941
2005-07-14 22:00:58 C 17 25 42.58 +10 08 14.9 r 941
2005-07-14 22:07:21 C 17 25 40.37 +10 08 05.8 r 203
2005-07-14 22:22:04 C 17 25 35.93 +10 07 50.8 o A64
2005-07-14 22:40:18 C 17 25 30.35 +10 07 32.5 o A64
2005-07-14 22:59:51 C 17 25 24.35 +10 07 12.8 o A64
2005-07-15 22:44:14 C 17 18 14.74 +09 42 34.6 16.7 r 160
2005-07-15 22:47:11 C 17 18 13.85 +09 42 31.4 16.7 r 160
2005-07-15 22:51:01 C 17 18 12.66 +09 42 27.2 16.4 r 160
2005-07-15 22:53:45 C 17 18 11.84 +09 42 24.6 16.5 r 160
2005-07-16 04:29:24 C 17 16 30.10 +09 36 21.7 r 932
2005-07-16 04:32:51 C 17 16 29.04 +09 36 17.9 r 932
2005-07-16 04:36:17 C 17 16 27.98 +09 36 14.2 r 932
2005-07-17 21:02:28 C 17 04 10.04 +08 49 35.3 c 639
2005-07-17 21:09:11 C 17 04 07.93 +08 49 26.9 c 639
2005-07-17 21:13:12 C 17 04 06.68 +08 49 22.0 c 639
2005-07-17 21:19:09 C 17 04 04.82 +08 49 14.8 c 639
2005-07-17 22:04:27 C 17 03 50.83 +08 48 20.3 r A74
2005-07-17 22:45:13 C 17 03 38.18 +08 47 30.7 r A74
2005-07-17 23:18:19 C 17 03 27.85 +08 46 50.1 r A74
2005-07-21 02:46:18 C 16 40 27.07 +07 07 58.4 r 932
2005-07-21 02:54:20 C 16 40 24.57 +07 07 47.1 r 932
2005-07-21 03:07:04 C 16 40 20.62 +07 07 29.2 r 932
2005-07-24 06:10:30 C 16 17 51.35 +05 17 42.3 u 608
2005-07-24 06:26:13 C 16 17 46.59 +05 17 16.7 u 608
2005-07-24 06:42:00 C 16 17 41.80 +05 16 55.0 u 608
2005-07-24 23:00:42 C 16 12 54.33 +04 52 14.7 r I77
2005-07-24 23:02:03 C 16 12 53.88 +04 52 12.3 r I77
2005-07-24 23:03:27 C 16 12 53.53 +04 52 10.0 r I77
2005-07-27 01:46:39 C 15 58 16.35 +03 32 11.3 r 932
2005-07-27 01:56:23 C 15 58 13.52 +03 31 55.7 r 932
2005-07-27 02:08:36 C 15 58 09.98 +03 31 36.4 r 932
2005-07-27 20:22:01 C 15 53 02.42 +03 02 36.3 r 185
2005-07-27 20:28:31 C 15 53 00.57 +03 02 26.2 r 185
2005-07-27 20:38:25 C 15 52 57.75 +03 02 10.5 r 185
2005-07-28 03:53:00 C 15 50 56.60 +02 50 43.4 16.2 c 704
2005-07-28 04:09:22 C 15 50 52.00 +02 50 16.9 16.3 c 704
2005-07-28 04:25:45 C 15 50 47.28 +02 49 51.7 16.7 c 704
2005-07-28 04:42:02 C 15 50 42.63 +02 49 25.6 16.6 c 704
2005-08-13 10:07:37 C 14 18 50.54 -06 43 57.7 r E12
2005-08-13 10:16:58 C 14 18 48.63 -06 44 09.4 r E12
2005-08-13 10:26:34 C 14 18 46.69 -06 44 21.3 r E12
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)