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27717 (1989 CF3)
Classification: Main-belt Asteroid          SPK-ID: 2027717
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04607111800455099 5.2909e-08  
a 2.337561849578798 1.0292e-08 au
q 2.229867761763917 1.2315e-07 au
i 6.495712813004955 4.964e-06 deg
node 242.9725546389005 4.4901e-05 deg
peri 310.4670032868356 6.8128e-05 deg
M 222.8470850470066 5.3814e-05 deg
tp 2459497.831118576911
(2021-Oct-10.33111858)
0.00019602 TDB
period 1305.398450693158
3.57
8.6211e-06
2.36e-08
d
yr
n .2757778667569602 1.8213e-09 deg/d
Q 2.445255937393679 1.0766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      11312 days (30.97 yr)  
   first obs. used      1989-02-04  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55231  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:08:55  

Additional Information
 Earth MOID = 1.23244 au 
 Jupiter MOID = 2.53587 au 
 T_jup = 3.556 
[ 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 MPO395272  
diameter diameter 2.299 km 0.640 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.305   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27717 (1989 CF3)          Discovered 1989-Feb-04 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 CF3 = 1998 VB18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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