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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2565843169402617 2.409e-07  
a 2.31970927729356 2.561e-08 AU
q 1.724508256879203 5.729e-07 AU
i 3.350027449531163 8.28e-06 deg
node 52.16909197864842 0.00028077 deg
peri 313.7639242220747 0.00028388 deg
M 211.3933259999707 5.5453e-05 deg
tp 2457533.202309223110
(2016-May-24.70230922)
0.00020587 JED
period 1290.47253503757
3.53
2.1371e-05
5.851e-08
d
yr
n .2789675798791945 4.6198e-09 deg/d
Q 2.914910297707916 3.2182e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6623 days (18.13 yr)  
   first obs. used      1996-01-12  
   last obs. used      2014-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56914  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-08 02:47:51  

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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