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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04304362353590922 4.2862e-08  
a 2.723074551998899 1.3437e-08 au
q 2.605863556122444 1.1687e-07 au
i 5.833097663302172 5.485e-06 deg
node 353.6643557905787 3.396e-05 deg
peri 39.27043248508069 7.1093e-05 deg
M 181.0151671588922 6.0461e-05 deg
tp 2459816.521222853166
(2022-Aug-25.02122285)
0.00027541 TDB
period 1641.299073022178
4.49
1.2148e-05
3.326e-08
d
yr
n .2193384532516186 1.6234e-09 deg/d
Q 2.840285547875355 1.4015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      8397 days (22.99 yr)  
   first obs. used      1997-02-03  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:34:46  

Additional Information
 Earth MOID = 1.61307 au 
 Jupiter MOID = 2.33768 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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