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117330 (2004 XF8)
Classification: Main-belt Asteroid          SPK-ID: 2117330
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06171749513231032 4.3355e-08  
a 3.135843241835035 2.6949e-08 au
q 2.942306851821393 1.2831e-07 au
i 10.29134471108729 4.8394e-06 deg
node 102.1003452958709 2.431e-05 deg
peri 111.7005204652519 4.6579e-05 deg
M 162.4367960190204 3.9659e-05 deg
tp 2458085.308753509066
(2017-Nov-27.80875351)
0.00022135 TDB
period 2028.289505895926
5.55
2.6146e-05
7.158e-08
d
yr
n .1774894555010689 2.288e-09 deg/d
Q 3.329379631848677 2.8612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      7259 days (19.87 yr)  
   first obs. used      2000-01-06  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55784  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:47:59  

Additional Information
 Earth MOID = 1.95383 au 
 Jupiter MOID = 1.74457 au 
 T_jup = 3.184 
[ 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 14.4   n/a MPO439763  
diameter diameter 4.788 km 1.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117330 (2004 XF8)          Discovered 2004-Dec-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 XF8 = 2002 QZ39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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