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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1211494623701425 3.4984e-08  
a 2.715265863792975 2.0376e-08 au
q 2.386312864202456 9.7212e-08 au
i 17.38378624823341 4.3618e-06 deg
node 324.4421115691908 1.2265e-05 deg
peri 295.0088659103327 3.4247e-05 deg
M 256.3667575942076 3.8541e-05 deg
tp 2459866.950085668102
(2022-Oct-14.45008567)
0.00017853 TDB
period 1634.244253184251
4.47
1.8396e-05
5.037e-08
d
yr
n .2202853088199981 2.4796e-09 deg/d
Q 3.044218863383495 2.2844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      9068 days (24.83 yr)  
   first obs. used      1996-07-14  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52226  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:10:00  

Additional Information
 Earth MOID = 1.42435 au 
 Jupiter MOID = 2.32014 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 15.14   n/a MPCxxxxx  
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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