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JPL Small-Body Database Browser
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35811 (1999 JS45)
Classification: Main-belt Asteroid          SPK-ID: 2035811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0785654645839494 3.5905e-08  
a 2.3305618484082 6.4568e-09 au
q 2.147460174046382 8.3803e-08 au
i 2.720412071393271 3.9155e-06 deg
node 140.536765708736 7.2666e-05 deg
peri 2.52426165540482 7.6046e-05 deg
M 48.88872564713643 2.2157e-05 deg
tp 2458824.019960580183
(2019-Dec-06.51996058)
7.9921e-05 TDB
period 1299.53917493563
3.56
5.4005e-06
1.479e-08
d
yr
n .2770212756516801 1.1512e-09 deg/d
Q 2.513663522770018 6.964e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1670  
   data-arc span      9727 days (26.63 yr)  
   first obs. used      1993-09-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52918  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:09:01  

Additional Information
 Earth MOID = 1.15985 au 
 Jupiter MOID = 2.48133 au 
 T_jup = 3.566 
[ 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 14.7   n/a MPO302273  

35811 (1999 JS45)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JS45 = 1997 WX39 = 2000 QY68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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