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
2015-07-20 09:09:55 C 21 16 09.68 +47 27 49.3 q H45
2015-07-20 20:00:00 C 21 14 11.06 +50 14 48.8 13.3 t 073
2015-07-20 20:30:08 C 21 14 03.55 +50 23 08.0 13.4 t 073
2015-07-20 20:59:53 C 21 13 55.95 +50 31 23.9 13.4 t 073
2015-07-20 21:29:40 C 21 13 48.14 +50 39 40.6 13.6 t 073
2015-07-20 21:59:50 C 21 13 40.05 +50 48 06.7 14.1 t 073
2015-07-20 22:29:01 C 21 13 32.05 +50 56 15.9 13.8 t 073
2015-07-20 23:30:07 C 21 13 15.02 +51 13 24.8 13.5 t 073
2015-07-21 00:00:14 C 21 13 06.32 +51 21 55.8 13.7 t 073
2015-07-21 05:54:40 C 21 11 42.32 +53 05 14.4 u 719
2015-07-21 05:59:10 C 21 11 40.84 +53 06 36.4 u 719
2015-07-21 06:00:31 C 21 11 40.24 +53 06 57.5 q 719
2015-07-22 23:17:23 C 20 48 35.72 +68 15 36.5 12.7 q 089
2015-07-22 23:17:26 C 20 48 44.25 +68 15 24.1 q C23
2015-07-22 23:18:40 C 20 48 42.85 +68 15 55.8 q C23
2015-07-22 23:19:54 C 20 48 41.37 +68 16 28.8 q C23
2015-07-22 23:21:08 C 20 48 39.97 +68 17 00.1 q C23
2015-07-22 23:22:21 C 20 48 38.52 +68 17 33.4 q C23
2015-07-22 23:23:22 C 20 48 28.67 +68 18 13.2 12.7 q 089
2015-07-22 23:23:34 C 20 48 37.08 +68 18 05.3 q C23
2015-07-22 23:24:48 C 20 48 35.63 +68 18 37.9 q C23
2015-07-22 23:25:21 C 20 48 26.30 +68 19 05.0 12.7 q 089
2015-07-22 23:26:02 C 20 48 34.21 +68 19 09.9 q C23
2015-07-22 23:27:16 C 20 48 32.75 +68 19 42.5 q C23
2015-07-22 23:27:20 C 20 48 23.95 +68 19 57.0 12.8 q 089
2015-07-22 23:28:29 C 20 48 31.33 +68 20 14.6 q C23
2015-07-22 23:29:20 C 20 48 21.58 +68 20 49.0 13.0 q 089
2015-07-22 23:29:28 C 20 48 30.14 +68 20 40.6 q C23
2015-07-22 23:31:19 C 20 48 19.21 +68 21 40.5 12.8 q 089
2015-07-22 23:33:19 C 20 48 16.84 +68 22 33.0 12.9 q 089
2015-07-22 23:35:19 C 20 48 14.41 +68 23 25.6 12.7 q 089
2015-07-23 20:56:35 C 20 02 09.02 +78 18 04.3 q 619
2015-07-23 21:43:22 C 19 58 14.37 +78 40 44.8 13.0 q 089
2015-07-23 21:45:21 C 19 58 04.91 +78 41 41.4 13.1 q 089
2015-07-23 21:47:20 C 19 57 55.44 +78 42 38.3 13.1 q 089
2015-07-23 21:49:19 C 19 57 46.01 +78 43 34.7 13.0 q 089
2015-07-23 21:51:18 C 19 57 36.37 +78 44 31.8 13.2 q 089
2015-07-23 21:53:17 C 19 57 26.89 +78 45 28.5 13.1 q 089
2015-07-23 21:55:16 C 19 57 17.47 +78 46 24.8 13.2 q 089
2015-07-23 21:57:15 C 19 57 07.71 +78 47 21.5 13.2 q 089
2015-07-23 21:59:14 C 19 56 58.17 +78 48 17.9 13.1 q 089
2015-07-23 22:01:14 C 19 56 48.52 +78 49 14.9 13.1 q 089
2015-07-23 22:49:14 C 19 53 08.70 +79 12 13.8 q 619
2015-07-25 22:51:47 C 10 36 23.75 +71 52 25.7 q C23
2015-07-25 22:53:30 C 10 36 20.57 +71 51 29.2 q C23
2015-07-25 22:55:57 C 10 36 16.03 +71 50 08.9 q C23
2015-07-25 22:58:24 C 10 36 11.46 +71 48 48.2 q C23
2015-07-25 23:00:52 C 10 36 06.89 +71 47 27.3 q C23
2015-07-25 23:02:35 C 10 36 03.71 +71 46 31.1 q C23
2018-05-06 07:42:16 C 07 54 19.51 +72 48 53.0 U T05
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)