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109995 (2001 SJ61)
Classification: Main-belt Asteroid          SPK-ID: 2109995
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0780634819007935 2.1522e-07  
a 2.537080006718669 1.1557e-08 au
q 2.339026707533321 5.4902e-07 au
i 2.058596788470029 6.1884e-06 deg
node 184.1258758579347 0.00012718 deg
peri 317.3963421128748 0.00015319 deg
M 109.0702923601158 6.9495e-05 deg
tp 2458553.298092115082
(2019-Mar-10.79809212)
0.00028562 TDB
period 1476.04524893931
4.04
1.0085e-05
2.761e-08
d
yr
n .2438949620675226 1.6665e-09 deg/d
Q 2.735133305904017 1.2459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      10288 days (28.17 yr)  
   first obs. used      1991-03-15  
   last obs. used      2019-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:37:11  

Additional Information
 Earth MOID = 1.35215 au 
 Jupiter MOID = 2.26709 au 
 T_jup = 3.442 
[ 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 15.6   n/a MPO474965  

109995 (2001 SJ61)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 SJ61 = 1999 FD33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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