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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06368894475195687 5.9163e-08  
a 2.989456385013272 2.8619e-08 au
q 2.799061062469776 1.7823e-07 au
i 11.05593968815271 6.3632e-06 deg
node 326.0044515949258 2.8178e-05 deg
peri 229.0327891462696 5.3854e-05 deg
M 39.40760141110346 4.2509e-05 deg
tp 2458993.836271514843
(2020-May-24.33627151)
0.00022399 TDB
period 1887.933789182454
5.17
2.7111e-05
7.423e-08
d
yr
n .1906846532768999 2.7382e-09 deg/d
Q 3.179851707556767 3.0442e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:57:29  

Additional Information
 Earth MOID = 1.81389 au 
 Jupiter MOID = 1.85434 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 15.68   n/a E2021B55  
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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