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85993 (1999 JU28)
Classification: Main-belt Asteroid          SPK-ID: 2085993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629990804304462 3.4521e-08  
a 2.741559842395699 1.6282e-08 au
q 2.294688109140161 9.4983e-08 au
i 2.491060069462042 4.2521e-06 deg
node 313.686954472152 9.4505e-05 deg
peri 325.3757439138027 9.5451e-05 deg
M 234.0947705809903 1.5014e-05 deg
tp 2459780.377542724691
(2022-Jul-19.87754272)
7.1022e-05 TDB
period 1658.04006985408
4.54
1.477e-05
4.044e-08
d
yr
n .2171238238118592 1.9342e-09 deg/d
Q 3.188431575651236 1.8935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      10690 days (29.27 yr)  
   first obs. used      1991-10-10  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:42:22  

Additional Information
 Earth MOID = 1.2769 au 
 Jupiter MOID = 1.9493 au 
 T_jup = 3.329 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO453291  

85993 (1999 JU28)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 JU28 = 2000 SZ101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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