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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07856546497686789 3.5782e-08  
a 2.330561848375006 6.3882e-09 au
q 2.147460173100075 8.3442e-08 au
i 2.72041248991523 3.8786e-06 deg
node 140.5367625361056 7.2597e-05 deg
peri 2.524264784199046 7.5969e-05 deg
M 48.88872574063046 2.2078e-05 deg
tp 2458824.019960246456
(2019-Dec-06.51996025)
7.9645e-05 TDB
period 1299.539174907866
3.56
5.3432e-06
1.463e-08
d
yr
n .2770212756575985 1.139e-09 deg/d
Q 2.513663523649937 6.8901e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1754  
   data-arc span      9776 days (26.77 yr)  
   first obs. used      1993-09-10  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:33:18  

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

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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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