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
2004-06-16 05:40:24 C 15 27 52.02 +21 26 10.5 d 703
2004-06-16 05:52:28 C 15 27 50.76 +21 25 55.9 d 703
2004-06-16 06:04:31 C 15 27 49.43 +21 25 40.9 d 703
2004-06-16 22:35:02 C 15 26 10.74 +21 05 28.7 126
2004-06-16 22:44:17 C 15 26 09.81 +21 05 17.0 126
2004-06-16 22:52:45 C 15 26 08.93 +21 05 06.1 126
2004-06-16 22:57:56 C 15 26 08.43 +21 04 59.3 126
2004-06-16 23:04:11 C 15 26 07.80 +21 04 52.0 126
2004-06-17 23:03:27 C 15 23 50.21 +20 35 27.3 r A13
2004-06-17 23:07:03 C 15 23 49.88 +20 35 23.2 r A13
2004-06-17 23:10:22 C 15 23 49.55 +20 35 18.7 r A13
2004-06-17 23:14:04 C 15 23 49.21 +20 35 13.9 r A13
2004-06-17 23:18:09 C 15 23 48.82 +20 35 09.1 r A13
2004-06-18 06:44:36 C 15 23 07.26 +20 26 02.7 c H41
2004-06-18 06:47:07 C 15 23 07.06 +20 26 00.3 c H41
2004-06-18 06:49:39 C 15 23 06.77 +20 25 56.2 c H41
2004-06-18 06:52:06 C 15 23 06.53 +20 25 53.9 c H41
2004-06-18 06:54:32 C 15 23 06.28 +20 25 51.2 c H41
2004-06-22 21:56:16 C 15 14 02.02 +18 08 49.6 r A13
2004-06-22 21:59:14 C 15 14 01.78 +18 08 45.6 r A13
2004-06-22 22:01:24 C 15 14 01.62 +18 08 42.9 r A13
2004-06-22 22:04:17 C 15 14 01.40 +18 08 39.5 r A13
2004-06-22 22:07:10 C 15 14 01.17 +18 08 36.3 r A13
2004-06-24 06:14:57 C 15 11 47.24 +17 29 03.9 r H41
2004-06-24 06:18:24 C 15 11 46.97 +17 28 59.9 r H41
2004-06-24 06:22:12 C 15 11 46.71 +17 28 55.3 r H41
2004-07-03 04:39:30 C 15 00 57.41 +13 10 58.8 o 699
2004-07-03 05:02:53 C 15 00 56.42 +13 10 30.2 o 699
2004-07-03 05:26:17 C 15 00 55.54 +13 10 02.2 o 699
2004-07-03 05:49:40 C 15 00 54.61 +13 09 35.0 o 699
2004-07-03 21:15:58 C 15 00 22.60 +12 51 32.0 r 170
2004-07-03 21:18:11 C 15 00 22.53 +12 51 29.5 r 170
2004-07-22 21:45:13 C 14 55 38.18 +04 40 14.2 c 113
2004-07-22 21:47:19 C 14 55 38.18 +04 40 12.2 c 113
2004-07-22 21:49:25 C 14 55 38.20 +04 40 10.1 c 113
2004-07-22 21:51:31 C 14 55 38.22 +04 40 07.9 c 113
2004-07-22 21:53:36 C 14 55 38.24 +04 40 05.6 c 113
2004-07-30 20:41:30 C 14 58 35.32 +01 38 03.3 r 941
2004-07-30 20:42:39 C 14 58 35.34 +01 38 02.2 r 941
2004-07-30 20:47:15 C 14 58 35.43 +01 37 57.8 r 941
2004-07-30 20:48:23 C 14 58 35.46 +01 37 56.7 r 941
2004-07-30 20:51:00 C 14 58 35.49 +01 37 54.5 r 941
2004-08-06 20:13:32 C 15 02 54.64 -00 51 53.4 r 941
2004-08-06 20:15:00 C 15 02 54.67 -00 51 55.0 r 941
2004-08-06 20:16:30 C 15 02 54.71 -00 51 55.9 r 941
2004-08-06 20:18:02 C 15 02 54.75 -00 51 57.5 r 941
2004-08-06 20:19:35 C 15 02 54.79 -00 51 58.7 r 941
2005-05-06 09:37:09 C 20 09 21.56 +02 39 44.4 18.7 c 704
2005-05-06 09:51:35 C 20 09 21.87 +02 39 52.3 18.9 c 704
2005-05-06 10:05:57 C 20 09 22.21 +02 39 59.0 18.7 c 704
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)