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
2020-06-22 02:13:57 C 22 17 48.33 +11 21 44.3 q 160
2020-06-22 12:56:05 C 22 19 04.04 +11 32 49.3 V T05
2020-06-22 13:00:43 C 22 19 04.58 +11 32 54.2 V T05
2020-06-22 13:10:25 C 22 19 05.67 +11 33 04.5 V T05
2020-06-22 13:26:20 C 22 19 07.468 +11 33 20.85 U F51
2020-06-22 13:29:39 C 22 19 07.84 +11 33 24.1 V T05
2020-06-22 13:44:37 C 22 19 09.541 +11 33 39.93 U F51
2020-06-22 14:03:04 C 22 19 11.615 +11 33 58.98 U F51
2020-06-23 01:59:32 C 22 20 38.09 +11 46 19.3 q 160
2020-06-23 02:02:32 C 22 20 38.44 +11 46 22.5 q 160
2020-06-23 02:05:29 C 22 20 38.80 +11 46 25.4 q 160
2020-06-25 13:07:48 C 22 28 18.44 +12 52 15.6 V T08
2020-06-25 13:15:07 C 22 28 19.43 +12 52 24.5 V T08
2020-06-25 13:48:57 C 22 28 23.88 +12 53 04.3 V T08
2020-06-25 13:53:36 C 22 28 24.49 +12 53 09.8 V T08
2020-06-26 00:55:05 C 22 29 57.83 +13 06 05.1 q 160
2020-06-26 00:58:00 C 22 29 58.25 +13 06 08.5 q 160
2020-06-26 01:00:54 C 22 29 58.65 +13 06 12.1 q 160
2020-06-27 12:53:19 C 22 35 18.73 +13 51 01.9 V T05
2020-06-27 13:02:00 C 22 35 20.02 +13 51 13.1 V T05
2020-06-27 13:22:44 C 22 35 23.11 +13 51 40.1 V T05
2020-06-29 12:59:13 C 22 43 18.08 +14 56 27.8 V T08
2020-06-29 13:04:58 C 22 43 19.05 +14 56 36.1 V T08
2020-06-29 13:12:24 C 22 43 20.32 +14 56 46.9 V T08
2020-06-29 13:27:51 C 22 43 22.96 +14 57 09.1 V T08
2020-07-01 00:23:06 C 22 49 56.18 +15 49 07.8 q 160
2020-07-01 00:25:09 C 22 49 56.58 +15 49 11.0 q 160
2020-07-01 00:27:13 C 22 49 56.97 +15 49 14.2 q 160
2020-07-01 13:05:52 C 22 52 29.69 +16 09 26.2 V T05
2020-07-01 13:09:10 C 22 52 30.35 +16 09 31.6 V T05
2020-07-01 13:13:09 C 22 52 31.14 +16 09 38.1 V T05
2020-07-01 13:23:46 C 22 52 33.23 +16 09 55.3 V T05
2020-07-03 01:56:47 C 23 00 34.63 +17 11 16.5 o Z22
2020-07-03 02:57:16 C 23 00 48.34 +17 13 05.7 o Z22
2020-07-03 03:07:18 C 23 00 50.53 +17 13 23.0 o Z22
2020-07-03 03:13:08 C 23 00 51.95 +17 13 33.7 o Z22
2020-07-03 03:23:11 C 23 00 54.19 +17 13 51.3 o Z22
2020-07-03 03:29:19 C 23 00 55.60 +17 14 02.0 o Z22
2020-07-03 03:33:21 C 23 00 56.54 +17 14 10.2 o Z22
2020-07-03 03:39:17 C 23 00 57.81 +17 14 20.3 o Z22
2020-07-03 03:49:18 C 23 01 00.13 +17 14 37.1 o Z22
2020-07-03 13:07:33 C 23 03 13.30 +17 31 22.9 V T08
2020-07-03 13:10:52 C 23 03 14.07 +17 31 29.0 V T08
2020-07-03 13:15:55 C 23 03 15.26 +17 31 38.2 V T08
2020-07-03 13:27:58 C 23 03 18.06 +17 32 00.2 V T08
2020-07-05 01:29:21 C 23 12 39.50 +18 40 15.6 q 160
2020-07-05 01:31:28 C 23 12 40.06 +18 40 19.9 q 160
2020-07-05 01:33:32 C 23 12 40.61 +18 40 24.1 q 160
2020-07-05 13:34:04 C 23 16 05.35 +19 04 58.3 V T05
2020-07-05 13:36:43 C 23 16 06.08 +19 05 03.4 V 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)