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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629742248152882 3.2809e-08  
a 2.741148188720023 1.527e-08 au
q 2.294411687559545 9.1708e-08 au
i 2.490951012625188 4.2286e-06 deg
node 313.6856882754266 8.6572e-05 deg
peri 325.435946325651 8.7589e-05 deg
M 276.585298748049 1.5143e-05 deg
tp 2459780.593799706854
(2022-Jul-20.09379971)
7.1022e-05 TDB
period 1657.66664411848
4.54
1.3852e-05
3.792e-08
d
yr
n .2171727357109499 1.8147e-09 deg/d
Q 3.1878846898805 1.7759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      10802 days (29.57 yr)  
   first obs. used      1991-10-10  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54372  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:10:50  

Additional Information
 Earth MOID = 1.27829 au 
 Jupiter MOID = 1.94892 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 15.52   n/a MPO637179  

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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