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246928 (1999 CV2)
Classification: Main-belt Asteroid          SPK-ID: 2246928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0637943152387024 5.914e-08  
a 2.989668136354207 2.8748e-08 au
q 2.798944304804523 1.7829e-07 au
i 11.05586518485958 6.3631e-06 deg
node 326.0043431427248 2.8178e-05 deg
peri 228.9532014762409 5.3783e-05 deg
M 1.339428119089051 4.2623e-05 deg
tp 2458993.474943648566
(2020-May-23.97494365)
0.00022358 TDB
period 1888.134383975852
5.17
2.7234e-05
7.456e-08
d
yr
n .1906643950002894 2.7501e-09 deg/d
Q 3.180391967903891 3.0582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1999-02-09  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:34:43  

Additional Information
 Earth MOID = 1.81432 au 
 Jupiter MOID = 1.85463 au 
 T_jup = 3.225 
[ 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 MPO386068  
diameter diameter 3.222 km 0.807 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.107   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

246928 (1999 CV2)          Discovered 1999-Feb-09 by Sarounova, L. at Ondrejov
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 1999 CV2 = 2004 BJ146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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