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264290 (1998 SD27)
Classification: Main-belt Asteroid          SPK-ID: 2264290
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2465379113497677 1.1944e-07  
a 2.431207669979974 2.426e-08 AU
q 1.831822808965576 3.0014e-07 AU
i 1.845556962307193 9.5951e-06 deg
node 215.2599228206545 0.0003966 deg
peri 158.898247069215 0.00039835 deg
M 45.04877128189483 2.8911e-05 deg
tp 2456627.234553588352
(2013-Nov-30.73455359)
0.00011049 JED
period 1384.622908311421
3.79
2.0725e-05
5.674e-08
d
yr
n .2599985872247543 3.8916e-09 deg/d
Q 3.030592530994372 3.0241e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5601 days (15.33 yr)  
   first obs. used      1998-09-20  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52729  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 06:51:22  

Additional Information
 Earth MOID = .831442 AU 
 T_jup = 3.464 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0 mag n/a MPO273600  

264290 (1998 SD27)          Discovered 1998-Sep-20 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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