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79948 (1999 CR91)
Classification: Main-belt Asteroid          SPK-ID: 2079948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214541905997344 4.0101e-08  
a 2.714769274932753 2.1375e-08 au
q 2.385049169980768 1.081e-07 au
i 17.38274226906598 5.8623e-06 deg
node 324.4462528779474 1.8096e-05 deg
peri 294.9478885762557 3.9422e-05 deg
M 169.210552043192 3.9372e-05 deg
tp 2458232.568015490864
(2018-Apr-24.06801549)
0.0001742 TDB
period 1633.79594880538
4.47
1.9296e-05
5.283e-08
d
yr
n .2203457538643241 2.6024e-09 deg/d
Q 3.044489379884738 2.3971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8534 days (23.36 yr)  
   first obs. used      1996-07-14  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57402  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:45:23  

Additional Information
 Earth MOID = 1.42339 au 
 Jupiter MOID = 2.32152 au 
 T_jup = 3.285 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO309750  
diameter diameter 3.851 km 0.697 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79948 (1999 CR91)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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