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109968 (2001 SA51)
Classification: Main-belt Asteroid          SPK-ID: 2109968
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336262013489521 4.042e-08  
a 3.009249666146105 2.9886e-08 au
q 2.607135064348399 1.209e-07 au
i 4.498893458664167 6.0147e-06 deg
node 152.1356730661629 6.824e-05 deg
peri 128.2546509284749 7.3224e-05 deg
M 201.7087554350259 2.8429e-05 deg
tp 2459438.878536610439
(2021-Aug-12.37853661)
0.00015636 TDB
period 1906.714891333557
5.22
2.8404e-05
7.777e-08
d
yr
n .1888064133952485 2.8126e-09 deg/d
Q 3.411364267943811 3.3879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      6831 days (18.70 yr)  
   first obs. used      2000-05-27  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .624  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:13:26  

Additional Information
 Earth MOID = 1.5932 au 
 Jupiter MOID = 1.73824 au 
 T_jup = 3.232 
[ 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 15.5   n/a MPO426696  
diameter diameter 4.407 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109968 (2001 SA51)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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