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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630449111113921 3.5365e-08  
a 2.741620852851928 1.6797e-08 au
q 2.294613524597547 9.658e-08 au
i 2.4910270067096 4.254e-06 deg
node 313.6871527879352 9.8905e-05 deg
peri 325.3304830662926 9.9838e-05 deg
M 190.7333698523062 1.4914e-05 deg
tp 2459780.111732497563
(2022-Jul-19.61173250)
7.1051e-05 TDB
period 1658.095417001167
4.54
1.5238e-05
4.172e-08
d
yr
n .2171165762288255 1.9953e-09 deg/d
Q 3.18862818110631 1.9536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      10313 days (28.24 yr)  
   first obs. used      1991-10-10  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 13:24:42  

Additional Information
 Earth MOID = 1.27871 au 
 Jupiter MOID = 1.94981 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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