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447074 (2004 SP8)
Classification: Main-belt Asteroid          SPK-ID: 2447074
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639018955595955 7.6478e-08  
a 3.062833079231657 5.5731e-08 au
q 2.560828931762956 2.2154e-07 au
i 5.377571313566502 7.2655e-06 deg
node 339.7748730877244 7.8092e-05 deg
peri 43.62154611373202 8.0945e-05 deg
M 319.692071517755 2.315e-05 deg
tp 2459219.715570862701
(2021-Jan-05.21557086)
0.00012884 TDB
period 1957.868054304358
5.36
5.3438e-05
1.463e-07
d
yr
n .1838734736023415 5.0186e-09 deg/d
Q 3.564837226700358 6.4866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6278 days (17.19 yr)  
   first obs. used      2001-02-02  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6112  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:02:53  

Additional Information
 Earth MOID = 1.56729 au 
 Jupiter MOID = 1.93176 au 
 T_jup = 3.206 
[ 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 16.4   n/a MPO440855  

447074 (2004 SP8)          Discovered 2004-Sep-17 by LINEAR at Socorro
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2004 SP8 = 2005 YZ148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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