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
2010-07-25 02:37:09 C 16 19 29.69 +13 14 55.2 r H53
2010-07-25 02:39:09 C 16 19 28.32 +13 14 51.3 r H53
2010-07-25 02:41:09 C 16 19 26.96 +13 14 47.4 r H53
2010-07-25 02:43:09 C 16 19 25.59 +13 14 43.6 r H53
2010-07-25 02:45:10 C 16 19 24.24 +13 14 39.6 r H53
2010-07-25 02:47:10 C 16 19 22.87 +13 14 35.7 r H53
2010-07-27 20:03:00 C 15 35 49.08 +10 51 27.5 u 160
2010-07-27 20:05:14 C 15 35 47.56 +10 51 22.0 u 160
2010-07-27 20:07:26 C 15 35 46.08 +10 51 16.8 u 160
2010-07-27 21:06:51 C 15 35 06.48 +10 48 55.0 u C27
2010-07-27 21:24:07 C 15 34 54.84 +10 48 12.9 u C27
2010-07-27 21:42:41 C 15 34 42.36 +10 47 27.5 u C27
2010-07-27 22:02:09 C 15 34 29.27 +10 46 40.2 u C27
2010-07-27 22:09:39 C 15 34 24.24 +10 46 21.8 u C27
2010-07-28 21:11:02 C 15 19 19.63 +09 49 27.1 u C27
2010-07-28 21:25:04 C 15 19 10.29 +09 48 51.6 u C27
2010-07-28 21:47:43 C 15 18 55.46 +09 47 54.1 u C27
2010-07-28 21:52:19 C 15 18 52.33 +09 47 43.0 u C27
2010-07-29 16:34:28 S 15 06 55.315 +09 00 37.84 L C51
2010-07-29 18:09:38 S 15 05 54.883 +08 56 33.29 L C51
2010-07-29 19:44:59 S 15 04 54.456 +08 52 27.48 L C51
2010-07-29 21:20:09 S 15 03 54.283 +08 48 22.46 L C51
2010-07-31 20:21:57 C 14 35 08.92 +06 45 53.0 u 160
2010-07-31 20:23:05 C 14 35 08.27 +06 45 50.2 u 160
2010-07-31 20:24:06 C 14 35 07.64 +06 45 47.4 u 160
2010-08-01 19:45:21 C 14 21 42.43 +05 46 04.4 u B38
2010-08-01 19:48:49 C 14 21 40.45 +05 45 55.7 u B38
2010-08-01 19:52:40 C 14 21 38.28 +05 45 46.3 u B38
2010-08-01 19:56:32 C 14 21 36.13 +05 45 37.4 u B38
2010-08-01 20:02:53 C 14 21 32.45 +05 45 19.7 u B38
2010-08-06 19:38:35 C 13 22 27.38 +01 12 23.4 u 160
2010-08-06 19:40:17 C 13 22 26.62 +01 12 20.5 u 160
2010-08-06 19:41:59 C 13 22 25.87 +01 12 16.3 u 160
2013-05-13 20:32:32 C 08 37 23.06 +58 09 07.9 q C77
2013-05-13 20:36:23 C 08 37 25.60 +58 09 04.4 q C77
2013-05-13 20:40:27 C 08 37 28.24 +58 09 00.4 q C77
2013-05-13 20:45:01 C 08 37 31.18 +58 08 56.1 q C77
2013-05-13 20:50:55 C 08 37 35.00 +58 08 50.4 q C77
2013-05-17 04:05:12 C 09 25 34.60 +56 23 21.7 u 703
2013-05-17 04:13:02 C 09 25 38.82 +56 23 08.0 u 703
2013-05-17 04:20:53 C 09 25 43.28 +56 22 54.5 u 703
2013-05-17 04:28:41 C 09 25 47.42 +56 22 40.7 u 703
2013-05-19 02:42:24 C 09 50 07.07 +54 56 07.8 q H21
2013-05-19 02:50:09 C 09 50 10.87 +54 55 51.9 q H21
2013-05-19 02:57:52 C 09 50 14.67 +54 55 35.9 q H21
2013-05-20 02:44:42 C 10 01 40.62 +54 05 58.8 u H21
2013-05-20 02:48:08 C 10 01 42.18 +54 05 51.3 u H21
2013-05-20 02:51:20 C 10 01 43.64 +54 05 44.6 u H21
2013-05-20 02:55:31 C 10 01 45.57 +54 05 35.6 u H21
2013-05-20 03:00:15 C 10 01 47.77 +54 05 25.0 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)