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85432 (1997 CK19)
Classification: Main-belt Asteroid          SPK-ID: 2085432
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901059828683516 4.4554e-08  
a 2.709766702939096 1.932e-08 au
q 2.194623840532927 1.1994e-07 au
i 20.63769713613739 7.2388e-06 deg
node 305.9748008948056 1.4422e-05 deg
peri 98.61577060648865 2.506e-05 deg
M 139.2381920299906 2.0308e-05 deg
tp 2458370.338081752533
(2018-Sep-08.83808175)
8.9504e-05 TDB
period 1629.282075999845
4.46
1.7425e-05
4.771e-08
d
yr
n .2209562145824737 2.3631e-09 deg/d
Q 3.224909565345265 2.2993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      9066 days (24.82 yr)  
   first obs. used      1995-07-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46622  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:58  

Additional Information
 Earth MOID = 1.31088 au 
 Jupiter MOID = 2.34281 au 
 T_jup = 3.246 
[ 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 15.1   n/a MPO468824  
diameter diameter 2.546 km 0.584 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85432 (1997 CK19)          Discovered 1997-Feb-04 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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