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
2020-07-05 13:40:40 C 23 16 07.19 +19 05 11.8 V T05
2020-07-05 14:23:02 C 23 16 19.11 +19 06 39.6 V T05
2020-07-05 14:53:55 C 23 16 27.81 +19 07 43.2 V T05
2020-07-05 23:20:11 C 23 19 00.21 +19 24 56.0 V J69
2020-07-05 23:27:31 C 23 19 02.41 +19 25 11.6 V J69
2020-07-05 23:34:51 C 23 19 04.64 +19 25 27.4 V J69
2020-07-07 00:42:55 C 23 27 05.88 +20 20 29.9 V 160
2020-07-07 00:45:00 C 23 27 06.56 +20 20 34.7 V 160
2020-07-07 00:47:06 C 23 27 07.25 +20 20 39.8 V 160
2020-07-07 12:41:42 C 23 31 13.84 +20 48 16.8 V T08
2020-07-07 12:45:43 C 23 31 15.23 +20 48 26.3 V T08
2020-07-07 12:55:42 C 23 31 18.66 +20 48 49.8 V T08
2020-07-07 13:20:25 C 23 31 27.15 +20 49 48.1 V T08
2020-07-09 01:41:44 C 23 45 27.23 +22 18 24.5 V 160
2020-07-09 01:44:04 C 23 45 28.23 +22 18 30.7 V 160
2020-07-09 01:46:24 C 23 45 29.16 +22 18 36.6 V 160
2020-07-09 12:27:24 C 23 50 04.26 +22 46 31.9 V T05
2020-07-09 12:31:24 C 23 50 05.97 +22 46 42.5 V T05
2020-07-09 12:39:26 C 23 50 09.40 +22 47 04.0 V T05
2020-07-09 12:56:09 C 23 50 16.58 +22 47 48.4 V T05
2020-07-10 23:32:19 C 00 06 49.18 +24 21 28.6 V J69
2020-07-10 23:37:10 C 00 06 51.71 +24 21 42.7 V J69
2020-07-10 23:42:00 C 00 06 54.19 +24 21 56.3 V J69
2020-07-10 23:46:50 C 00 06 56.67 +24 22 10.2 V J69
2020-07-11 00:49:37 C 00 07 29.16 +24 25 17.3 V 160
2020-07-11 00:51:48 C 00 07 30.27 +24 25 23.4 V 160
2020-07-11 00:53:59 C 00 07 31.41 +24 25 29.7 V 160
2020-07-11 13:43:37 C 00 14 25.43 +25 02 26.9 V T08
2020-07-11 13:46:16 C 00 14 26.87 +25 02 34.6 V T08
2020-07-11 14:02:32 C 00 14 35.70 +25 03 21.9 V T08
2020-07-11 14:08:41 C 00 14 39.03 +25 03 39.9 V T08
2020-07-12 01:56:57 C 00 21 25.56 +25 37 26.7 V 196
2020-07-12 02:12:09 C 00 21 34.41 +25 38 11.7 V 196
2020-07-13 14:11:20 C 00 44 50.30 +27 24 54.6 V T05
2020-07-13 14:23:07 C 00 44 58.43 +27 25 30.0 V T05
2020-07-13 14:58:33 C 00 45 22.91 +27 27 15.7 V T05
2022-06-20 04:23:07 C 09 31 07.901 +28 56 53.92 U I41
2022-06-20 04:24:41 C 09 31 08.359 +28 56 52.80 U I41
2022-06-20 04:26:13 C 09 31 08.820 +28 56 51.40 U I41
2022-06-20 04:27:46 C 09 31 09.259 +28 56 50.21 U I41
2022-06-20 04:29:21 C 09 31 09.730 +28 56 48.98 U I41
2022-06-25 06:20:32 C 10 05 05.954 +27 11 46.72 V T08
2022-06-25 06:25:50 C 10 05 07.334 +27 11 40.24 V T08
2022-06-25 06:33:47 C 10 05 09.408 +27 11 32.82 V T08
2022-06-25 06:48:22 C 10 05 13.277 +27 11 18.35 V T08
2023-04-25 20:34:23 C 00 52 37.613 +76 08 07.62 V Z80
2023-04-25 20:44:26 C 00 52 35.950 +76 09 07.74 V Z80
2023-04-29 20:35:16 C 23 58 05.75 +85 22 14.3 M32
2023-04-29 20:37:46 C 23 58 01.79 +85 22 28.0 M32
2023-04-29 20:43:43 C 23 57 52.38 +85 23 01.5 M32
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)