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
2005-08-13 10:36:14 C 14 18 44.64 -06 44 32.5 r E12
2008-05-29 05:14:06 C 10 12 30.27 +43 37 20.5 r G96
2008-05-29 05:21:25 C 10 12 32.76 +43 37 07.7 r G96
2008-05-29 05:28:43 C 10 12 35.24 +43 36 54.9 r G96
2008-06-09 05:36:21 C 11 24 23.72 +35 23 24.5 r 703
2008-06-09 05:46:52 C 11 24 25.99 +35 23 03.3 r 703
2008-06-09 05:57:29 C 11 24 28.15 +35 22 43.4 r 703
2008-06-09 06:08:04 C 11 24 30.42 +35 22 23.2 r 703
2008-06-14 04:01:05 C 11 47 22.58 +31 43 55.0 18.5 c 704
2008-06-14 04:15:05 C 11 47 25.02 +31 43 29.3 18.6 c 704
2008-06-14 04:29:14 C 11 47 27.40 +31 43 03.0 18.7 c 704
2009-04-18 09:47:08 C 19 13 24.23 +15 20 35.2 18.2 c 704
2009-04-18 10:02:36 C 19 13 23.38 +15 20 48.7 18.6 c 704
2009-04-18 10:17:58 C 19 13 22.48 +15 21 02.3 18.1 c 704
2009-04-18 10:33:13 C 19 13 21.62 +15 21 16.3 18.4 c 704
2009-04-18 10:48:33 C 19 13 20.74 +15 21 29.7 18.8 c 704
2009-04-19 00:13:52 C 19 12 36.02 +15 33 09.6 18.6 r 084
2009-04-20 22:49:20 C 19 09 51.28 +16 14 03.8 18.4 r 084
2009-04-20 22:53:34 C 19 09 51.00 +16 14 07.7 18.1 r 084
2009-05-05 23:37:49 C 18 38 09.51 +21 15 25.9 w 160
2009-05-05 23:39:14 C 18 38 09.31 +21 15 27.0 w 160
2009-05-09 02:04:48 C 18 29 00.17 +22 08 31.8 w B40
2009-05-09 02:10:38 C 18 28 59.45 +22 08 35.0 w B40
2009-05-19 00:24:14 C 17 53 44.75 +24 11 31.5 18.7 r C20
2009-05-21 00:08:35 C 17 45 45.41 +24 24 39.0 w 160
2009-05-21 00:11:22 C 17 45 44.92 +24 24 39.6 w 160
2009-05-21 00:14:17 C 17 45 44.42 +24 24 40.4 w 160
2009-05-21 00:15:43 C 17 45 44.15 +24 24 40.7 o B88
2009-05-21 00:23:04 C 17 45 42.87 +24 24 42.2 o B88
2009-05-21 00:30:26 C 17 45 41.57 +24 24 43.9 o B88
2009-05-23 23:04:14 C 17 33 28.29 +24 35 24.8 18.5 r C20
2009-05-25 22:28:46 C 17 25 05.20 +24 36 24.9 c A53
2009-05-25 22:34:33 C 17 25 04.20 +24 36 24.6 c A53
2009-05-25 22:40:51 C 17 25 03.02 +24 36 24.6 c A53
2009-05-27 08:27:44 C 17 19 00.55 +24 34 03.9 r 703
2009-05-27 08:39:12 C 17 18 58.50 +24 34 02.6 r 703
2009-05-27 08:50:23 C 17 18 56.41 +24 34 00.9 r 703
2009-05-27 09:01:50 C 17 18 54.28 +24 33 59.7 r 703
2009-05-27 21:39:38 C 17 16 39.41 +24 32 19.9 w B09
2009-05-27 21:45:38 C 17 16 38.36 +24 32 19.2 w B09
2009-05-29 22:59:26 C 17 07 48.63 +24 22 35.1 17.4 r C20
2009-05-29 23:13:25 C 17 07 46.76 +24 22 28.3 o J16
2009-05-29 23:16:38 C 17 07 46.19 +24 22 28.0 o J16
2009-05-29 23:18:24 C 17 07 45.87 +24 22 27.2 o J16
2009-05-29 23:29:05 C 17 07 43.93 +24 22 24.3 o J16
2009-05-30 20:07:42 C 17 04 02.98 +24 16 41.9 18.3 r C20
2009-06-01 19:56:23 C 16 55 35.03 +23 59 41.4 17.6 r C20
2009-06-01 23:23:13 C 16 54 58.57 +23 58 14.3 v J69
2009-06-01 23:29:11 C 16 54 57.48 +23 58 11.8 v J69
2009-06-01 23:35:11 C 16 54 56.43 +23 58 09.4 v J69
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)