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285285 (1998 SP63)
Classification: Main-belt Asteroid          SPK-ID: 2285285
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2564765928618788 2.4693e-07  
a 2.319897547955116 2.5502e-08 AU
q 1.724898129066961 5.8676e-07 AU
i 3.349868594283894 8.3502e-06 deg
node 52.17224843148499 0.00028094 deg
peri 313.7838148549398 0.00028459 deg
M 155.5652889016415 5.7197e-05 deg
tp 2456242.785629824681
(2012-Nov-11.28562982)
0.00019802 JED
period 1290.629642902274
3.53
2.1281e-05
5.826e-08
d
yr
n .2789336212598202 4.5993e-09 deg/d
Q 2.914896966843272 3.2042e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      6620 days (18.12 yr)  
   first obs. used      1996-01-12  
   last obs. used      2014-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54672  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 10:04:36  

Additional Information
 Earth MOID = .724255 AU 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5 mag n/a MPO245647  

285285 (1998 SP63)          Discovered 1998-Sep-29 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 1998 SP63 = 2005 SU10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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