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39751 (1997 CX2)
Classification: Main-belt Asteroid          SPK-ID: 2039751
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04291330470610671 4.3202e-08  
a 2.723802874390308 1.3834e-08 au
q 2.606915491682227 1.174e-07 au
i 5.83219905027821 5.5173e-06 deg
node 353.6660463289336 3.4606e-05 deg
peri 39.67375902958081 7.4904e-05 deg
M 92.87554241476678 6.4058e-05 deg
tp 2458176.895270772195
(2018-Feb-27.39527077)
0.0002926 TDB
period 1641.957597846163
4.50
1.2509e-05
3.425e-08
d
yr
n .2192504851965908 1.6704e-09 deg/d
Q 2.840690257098388 1.4428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      8143 days (22.29 yr)  
   first obs. used      1997-02-03  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50246  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:08:18  

Additional Information
 Earth MOID = 1.61354 au 
 Jupiter MOID = 2.33769 au 
 T_jup = 3.349 
[ 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 14.2   n/a MPO474254  
diameter diameter 4.192 km 0.393 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39751 (1997 CX2)          Discovered 1997-Feb-03 by Kobayashi, T. at Oizumi
Reference: 20020526/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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