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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 ]

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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 .1338593619527612 3.5459e-08  
a 3.008011399174437 2.5059e-08 au
q 2.605360912534314 1.1214e-07 au
i 4.499935894017925 5.9637e-06 deg
node 152.1340890345169 5.675e-05 deg
peri 128.419282169097 6.2651e-05 deg
M 277.0852572445748 2.8616e-05 deg
tp 2459439.381121823608
(2021-Aug-12.88112182)
0.00015414 TDB
period 1905.538129962552
5.22
2.3812e-05
6.519e-08
d
yr
n .1889230104291195 2.3608e-09 deg/d
Q 3.41066188581456 2.8413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7266 days (19.89 yr)  
   first obs. used      2000-05-27  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:11:11  

Additional Information
 Earth MOID = 1.59199 au 
 Jupiter MOID = 1.74048 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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