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21341 (1997 CV19)
Classification: Main-belt Asteroid          SPK-ID: 2021341
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09185798042130421 2.5635e-08  
a 2.390446815899166 7.9955e-09 au
q 2.170865199086131 6.15e-08 au
i 6.691877371402835 1.181e-06 deg
node 126.8585181784081 7.0626e-06 deg
peri 132.6984273597315 1.0327e-05 deg
M 70.11896226378478 6.3328e-06 deg
tp 2458937.564010349610
(2020-Mar-29.06401035)
2.36e-05 TDB
period 1349.948048547047
3.70
6.7729e-06
1.854e-08
d
yr
n .2666769290769885 1.338e-09 deg/d
Q 2.610028432712201 8.7299e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2171  
   data-arc span      8696 days (23.81 yr)  
   first obs. used      1997-02-12  
   last obs. used      2020-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4894  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:56:48  

Additional Information
 Earth MOID = 1.15993 au 
 Jupiter MOID = 2.44737 au 
 T_jup = 3.517 
[ 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 14.09   n/a E2021B10  
rotation period rot_per 3.502 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

21341 (1997 CV19)          Discovered 1997-Feb-12 by Kobayashi, T. at Oizumi
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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