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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2565845335543883 1.2148e-07  
a 2.319709262391676 2.1063e-08 AU
q 1.724507743319113 2.9115e-07 AU
i 3.350025324243726 8.0218e-06 deg
node 52.16920341860654 0.00020805 deg
peri 313.7637501828076 0.00020909 deg
M 211.393376340416 2.7255e-05 deg
tp 2457533.202123637295
(2016-May-24.70212364)
0.00010321 JED
period 1290.472522602518
3.53
1.7576e-05
4.812e-08
d
yr
n .2789675825673389 3.7996e-09 deg/d
Q 2.914910781464239 2.6467e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      7090 days (19.41 yr)  
   first obs. used      1996-01-12  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56495  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 16:35:06  

Additional Information
 Earth MOID = .725289 AU 
 T_jup = 3.532 
[ 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
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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