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
2014-08-09 16:00:52 S 15 18 07.36 -03 07 52.0 L C51
2014-08-29 03:13:46 C 15 29 46.88 -09 41 40.6 q G96
2014-08-29 03:20:22 C 15 29 47.10 -09 41 46.1 q G96
2014-08-29 03:26:59 C 15 29 47.34 -09 41 51.3 q G96
2014-08-29 03:36:54 C 15 29 47.67 -09 41 59.2 q G96
2015-04-29 22:59:35 S 20 30 44.95 -00 56 35.3 L C51
2015-04-30 02:08:38 S 20 30 55.66 -00 55 12.6 L C51
2015-04-30 10:01:11 S 20 31 22.14 -00 51 41.3 L C51
2015-04-30 17:53:54 S 20 31 48.62 -00 48 08.9 L C51
2015-04-30 22:37:23 S 20 32 04.43 -00 46 04.5 L C51
2015-05-13 09:53:50 C 20 47 53.03 +01 33 59.7 q 703
2015-05-13 10:01:03 C 20 47 53.32 +01 34 02.0 q 703
2015-05-13 10:08:15 C 20 47 53.71 +01 34 06.2 q 703
2015-05-13 10:15:28 C 20 47 54.05 +01 34 09.5 q 703
2015-05-19 09:36:11 C 20 54 46.50 +02 46 01.2 q 703
2015-05-19 09:44:53 C 20 54 46.92 +02 46 05.9 q 703
2015-05-19 09:53:33 C 20 54 47.31 +02 46 10.6 q 703
2015-05-19 10:02:14 C 20 54 47.71 +02 46 14.5 q 703
2015-05-26 09:20:38 C 21 02 11.34 +04 14 37.4 q 703
2015-05-26 09:32:11 C 21 02 11.88 +04 14 44.3 q 703
2015-05-26 09:43:45 C 21 02 12.37 +04 14 50.9 q 703
2015-05-26 09:55:18 C 21 02 12.79 +04 14 56.9 q 703
2015-05-28 08:45:55 C 21 04 09.38 +04 40 41.3 u H21
2015-05-28 08:49:00 C 21 04 09.52 +04 40 43.0 u H21
2015-05-28 08:52:21 C 21 04 09.64 +04 40 44.9 u H21
2015-05-28 08:55:26 C 21 04 09.76 +04 40 46.4 u H21
2015-05-28 09:01:36 C 21 04 10.02 +04 40 50.0 u H21
2015-05-28 09:04:41 C 21 04 10.14 +04 40 52.1 u H21
2015-06-01 08:13:23 C 21 07 56.63 +05 35 04.0 u 807
2015-06-01 08:18:08 C 21 07 56.79 +05 35 06.5 u 807
2015-06-01 08:23:08 C 21 07 56.95 +05 35 09.6 u 807
2015-06-01 08:27:36 C 21 07 57.12 +05 35 12.4 u 807
2015-06-01 08:32:36 C 21 07 57.31 +05 35 15.1 u 807
2015-06-02 07:47:50 C 21 08 50.77 +05 48 32.9 u H21
2015-06-02 07:52:26 C 21 08 50.95 +05 48 35.6 u H21
2015-06-02 07:56:55 C 21 08 51.10 +05 48 38.4 u H21
2015-06-02 08:01:00 C 21 08 51.24 +05 48 40.8 u H21
2015-06-02 08:05:03 C 21 08 51.38 +05 48 43.1 u H21
2015-06-02 08:09:03 C 21 08 51.53 +05 48 45.4 u H21
2015-06-02 08:13:02 C 21 08 51.68 +05 48 47.9 u H21
2015-06-02 08:17:00 C 21 08 51.81 +05 48 50.0 u H21
2015-06-02 08:19:39 C 21 08 51.91 +05 48 51.7 u H21
2015-06-04 06:19:43 C 21 10 34.69 +06 16 25.7 u 807
2015-06-04 06:27:50 C 21 10 34.97 +06 16 30.7 u 807
2015-06-04 06:36:09 C 21 10 35.24 +06 16 35.7 u 807
2015-06-04 07:43:46 C 21 10 37.70 +06 17 00.1 u H21
2015-06-04 07:51:13 C 21 10 37.92 +06 17 04.8 u H21
2015-06-04 07:58:45 C 21 10 38.18 +06 17 09.1 u H21
2015-06-04 08:04:38 C 21 10 38.38 +06 17 12.3 u H21
2015-06-04 08:09:03 C 21 10 38.52 +06 17 15.0 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)