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
2015-06-25 00:07:17 C 21 24 42.65 +12 21 24.3 q C47
2015-06-25 00:12:35 C 21 24 42.72 +12 21 29.4 q C47
2015-06-25 00:17:53 C 21 24 42.80 +12 21 34.6 q C47
2015-06-25 00:23:44 C 21 24 42.89 +12 21 40.1 q C47
2015-06-25 06:38:27 C 21 24 50.57 +12 27 45.8 q 719
2015-06-25 06:43:04 C 21 24 50.63 +12 27 48.6 q 719
2015-06-25 11:20:53 C 21 24 55.590 +12 32 26.49 L F52
2015-06-25 11:33:01 C 21 24 55.746 +12 32 38.43 L F52
2015-06-25 11:45:06 C 21 24 55.899 +12 32 50.38 L F52
2015-06-25 11:57:16 C 21 24 56.049 +12 33 02.38 L F52
2015-06-25 22:08:17 C 21 25 07.79 +12 42 53.7 q K14
2015-06-25 22:23:35 C 21 25 08.05 +12 43 09.0 q K14
2015-06-25 22:39:04 C 21 25 08.28 +12 43 24.7 q K14
2015-06-25 22:57:16 C 21 25 08.54 +12 43 42.9 q K14
2015-06-25 23:18:11 C 21 25 08.87 +12 44 04.2 q K14
2015-06-26 23:16:29 C 21 25 33.82 +13 08 25.7 q 160
2015-06-26 23:19:14 C 21 25 33.86 +13 08 28.6 q 160
2015-06-26 23:21:59 C 21 25 33.90 +13 08 31.4 q 160
2015-06-27 00:20:47 C 21 25 34.89 +13 09 33.9 c J19
2015-06-27 00:24:55 C 21 25 34.92 +13 09 38.4 c J19
2015-06-27 00:29:04 C 21 25 34.97 +13 09 43.5 c J19
2015-06-27 00:33:10 C 21 25 35.01 +13 09 47.6 c J19
2015-06-27 00:37:18 C 21 25 35.06 +13 09 51.2 c J19
2015-06-27 00:41:26 C 21 25 35.13 +13 09 55.7 c J19
2015-06-27 00:45:35 C 21 25 35.20 +13 10 00.1 c J19
2015-06-27 00:49:41 C 21 25 35.25 +13 10 04.2 c J19
2015-06-27 23:22:10 C 21 25 57.45 +13 34 02.0 q 160
2015-06-27 23:24:57 C 21 25 57.49 +13 34 05.2 q 160
2015-06-27 23:27:48 C 21 25 57.51 +13 34 08.2 q 160
2015-06-28 09:05:56 C 21 26 05.53 +13 44 46.0 u H21
2015-06-28 09:08:26 C 21 26 05.54 +13 44 48.7 u H21
2015-06-28 09:10:56 C 21 26 05.57 +13 44 51.4 u H21
2015-06-28 09:13:26 C 21 26 05.59 +13 44 54.2 u H21
2015-06-28 09:15:56 C 21 26 05.61 +13 44 57.0 u H21
2015-06-28 09:18:26 C 21 26 05.63 +13 44 59.7 u H21
2015-06-28 09:20:41 C 21 26 05.66 +13 45 02.3 u H21
2015-06-29 00:05:47 C 21 26 19.82 +14 01 35.9 q 160
2015-06-29 00:08:36 C 21 26 19.84 +14 01 39.1 q 160
2015-06-29 00:11:22 C 21 26 19.87 +14 01 42.3 q 160
2015-06-29 23:35:57 C 21 26 39.75 +14 29 08.3 q 160
2015-06-29 23:38:43 C 21 26 39.77 +14 29 11.8 q 160
2015-06-29 23:41:31 C 21 26 39.79 +14 29 15.1 q 160
2015-06-30 06:42:43 C 21 26 45.27 +14 37 48.1 u H21
2015-06-30 06:44:41 C 21 26 45.30 +14 37 50.6 u H21
2015-06-30 06:46:38 C 21 26 45.32 +14 37 53.1 u H21
2015-06-30 06:48:36 C 21 26 45.32 +14 37 55.4 u H21
2015-06-30 06:50:34 C 21 26 45.34 +14 37 58.0 u H21
2015-06-30 06:52:31 C 21 26 45.34 +14 38 00.3 u H21
2015-06-30 06:54:29 C 21 26 45.36 +14 38 02.8 u H21
2015-06-30 06:56:26 C 21 26 45.38 +14 38 05.2 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)