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
2020-05-22 10:40:53 C 21 18 58.45 +02 47 44.5 V G96
2020-05-22 10:48:21 C 21 18 58.92 +02 47 48.7 V G96
2020-05-26 01:33:41 C 21 24 43.39 +03 35 09.6 V 160
2020-05-26 01:38:47 C 21 24 43.71 +03 35 12.5 V 160
2020-05-26 01:43:53 C 21 24 44.02 +03 35 16.0 V 160
2020-05-26 13:50:59 C 21 25 32.561 +03 42 06.58 U F51
2020-05-26 13:53:51 C 21 25 32.742 +03 42 08.13 U F51
2020-05-26 14:01:23 C 21 25 33.217 +03 42 12.36 U F51
2020-05-26 14:04:13 C 21 25 33.407 +03 42 14.02 U F51
2020-05-26 14:11:46 C 21 25 33.893 +03 42 18.25 U F51
2020-05-26 14:14:38 C 21 25 34.057 +03 42 19.69 U F51
2020-05-26 14:22:11 C 21 25 34.552 +03 42 24.06 U F51
2020-05-26 14:25:03 C 21 25 34.734 +03 42 25.73 U F51
2020-05-28 01:58:20 C 21 27 58.09 +04 02 29.3 V 160
2020-05-28 02:03:25 C 21 27 58.47 +04 02 33.0 V 160
2020-05-31 13:10:27 C 21 33 39.52 +04 51 12.5 V T08
2020-05-31 13:17:07 C 21 33 39.96 +04 51 16.5 V T08
2020-05-31 13:28:20 C 21 33 40.71 +04 51 23.3 V T08
2020-05-31 13:47:02 C 21 33 41.96 +04 51 34.5 V T08
2020-06-02 00:44:41 C 21 36 08.67 +05 12 39.1 q 160
2020-06-02 00:49:39 C 21 36 09.13 +05 12 41.9 q 160
2020-06-02 00:54:38 C 21 36 09.30 +05 12 45.8 q 160
2020-06-06 14:28:40 C 21 44 05.80 +06 22 31.2 V T05
2020-06-06 14:33:18 C 21 44 06.12 +06 22 34.3 V T05
2020-06-06 14:37:28 C 21 44 06.42 +06 22 37.0 V T05
2020-06-06 14:42:05 C 21 44 06.77 +06 22 40.0 V T05
2020-06-10 13:36:11 C 21 51 28.72 +07 28 04.5 V T05
2020-06-10 13:41:41 C 21 51 29.14 +07 28 08.5 V T05
2020-06-10 13:46:59 C 21 51 29.54 +07 28 12.3 V T05
2020-06-10 14:18:20 C 21 51 31.92 +07 28 34.8 V T05
2020-06-13 01:30:35 C 21 56 26.73 +08 12 18.6 V 160
2020-06-13 01:32:26 C 21 56 26.90 +08 12 20.3 V 160
2020-06-13 01:34:31 C 21 56 27.05 +08 12 22.1 V 160
2020-06-13 13:59:57 C 21 57 30.89 +08 22 01.5 V T08
2020-06-13 14:03:16 C 21 57 31.16 +08 22 03.9 V T08
2020-06-13 14:30:09 C 21 57 33.36 +08 22 24.9 V T08
2020-06-13 14:41:34 C 21 57 34.31 +08 22 33.6 V T08
2020-06-16 13:12:48 C 22 03 56.44 +09 19 23.0 V T08
2020-06-16 13:15:27 C 22 03 56.68 +09 19 25.1 V T08
2020-06-16 13:23:23 C 22 03 57.40 +09 19 31.8 V T08
2020-06-16 13:57:44 C 22 04 00.47 +09 20 00.8 V T08
2020-06-21 06:36:27 C 22 15 34.31 +11 02 09.6 q W33
2020-06-21 06:41:00 C 22 15 34.80 +11 02 14.1 q W33
2020-06-21 06:48:02 C 22 15 35.56 +11 02 21.2 q W33
2020-06-21 12:26:52 C 22 16 13.72 +11 08 02.0 V T08
2020-06-21 12:31:38 C 22 16 14.22 +11 08 06.9 V T08
2020-06-21 12:35:36 C 22 16 14.67 +11 08 10.7 V T08
2020-06-21 12:44:16 C 22 16 15.60 +11 08 19.3 V T08
2020-06-22 02:08:00 C 22 17 47.67 +11 21 38.2 q 160
2020-06-22 02:10:58 C 22 17 47.99 +11 21 41.3 q 160
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)