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
2015-07-11 23:12:40 C 21 27 37.28 +23 45 02.4 q C47
2015-07-11 23:16:37 C 21 27 37.20 +23 45 15.5 q C47
2015-07-12 20:50:14 C 21 27 20.21 +25 00 22.3 t 073
2015-07-12 21:19:55 C 21 27 19.44 +25 02 13.5 t 073
2015-07-12 21:47:30 C 21 27 18.72 +25 03 57.5 t 073
2015-07-12 22:19:33 C 21 27 17.90 +25 05 58.4 t 073
2015-07-12 22:48:12 C 21 27 17.06 +25 07 46.0 t 073
2015-07-12 22:56:21 C 21 27 17.57 +25 08 14.9 q 160
2015-07-12 22:59:11 C 21 27 17.49 +25 08 25.7 q 160
2015-07-12 23:02:00 C 21 27 17.40 +25 08 36.2 q 160
2015-07-12 23:15:31 C 21 27 16.28 +25 09 28.7 t 073
2015-07-13 09:12:55 C 21 27 03.66 +25 47 56.0 u H21
2015-07-13 09:14:52 C 21 27 03.82 +25 48 08.7 q H45
2015-07-13 09:15:56 C 21 27 03.56 +25 48 07.9 u H21
2015-07-13 09:16:41 C 21 27 03.76 +25 48 16.0 q H45
2015-07-13 09:18:40 C 21 27 03.47 +25 48 18.7 u H21
2015-07-13 09:18:44 C 21 27 03.69 +25 48 24.1 q H45
2015-07-13 09:21:25 C 21 27 03.38 +25 48 29.5 u H21
2015-07-13 09:22:01 C 21 27 03.58 +25 48 36.9 q H45
2015-07-13 09:23:22 C 21 27 03.53 +25 48 42.3 q H45
2015-07-13 09:23:53 C 21 27 03.29 +25 48 39.2 u H21
2015-07-13 09:24:34 C 21 27 03.49 +25 48 47.1 q H45
2015-07-13 09:26:21 C 21 27 03.21 +25 48 48.9 u H21
2015-07-13 09:29:05 C 21 27 03.12 +25 48 59.7 u H21
2015-07-14 06:20:32 C 21 26 40.20 +27 17 14.1 q 719
2015-07-14 06:24:14 C 21 26 40.03 +27 17 31.9 q 719
2015-07-14 19:42:15 C 21 26 19.68 +28 19 49.2 t 073
2015-07-14 20:09:35 C 21 26 18.82 +28 22 05.6 t 073
2015-07-14 20:40:29 C 21 26 17.64 +28 24 41.5 t 073
2015-07-14 21:10:09 C 21 26 16.52 +28 27 10.1 t 073
2015-07-14 21:31:01 C 21 26 16.75 +28 28 52.0 q K14
2015-07-14 21:39:42 C 21 26 15.24 +28 29 37.8 t 073
2015-07-14 22:08:48 C 21 26 15.47 +28 32 02.9 q K14
2015-07-14 22:10:31 C 21 26 13.99 +28 32 13.5 t 073
2015-07-14 22:41:26 C 21 26 12.61 +28 34 50.3 t 073
2015-07-14 23:11:09 C 21 26 11.25 +28 37 21.2 t 073
2015-07-14 23:30:08 C 21 26 10.37 +28 38 55.9 t 073
2015-07-15 09:04:09 C 21 25 50.29 +29 28 46.0 u H21
2015-07-15 09:07:52 C 21 25 50.11 +29 29 05.8 u H21
2015-07-15 09:12:00 C 21 25 49.91 +29 29 27.8 u H21
2015-07-15 09:17:11 C 21 25 49.64 +29 29 55.4 u H21
2015-07-15 09:21:43 C 21 25 49.42 +29 30 19.6 u H21
2015-07-15 09:25:39 C 21 25 49.21 +29 30 40.6 u H21
2015-07-16 05:22:18 C 21 25 10.42 +31 25 41.4 q G56
2015-07-16 05:29:02 C 21 25 10.09 +31 26 24.0 q G56
2015-07-16 05:33:45 C 21 25 09.86 +31 26 53.9 q G56
2015-07-16 07:30:59 C 21 25 02.47 +31 39 30.2 u 719
2015-07-16 07:38:52 C 21 25 01.98 +31 40 19.6 u 719
2015-07-16 08:11:01 C 21 24 58.22 +31 43 37.1 u H21
2015-07-16 08:12:58 C 21 24 58.09 +31 43 49.3 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)