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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2468880820171324 1.1516e-07  
a 2.432228626329237 2.3197e-08 AU
q 1.831740365747647 2.8872e-07 AU
i 1.84532955670369 8.9574e-06 deg
node 215.1992813722558 0.00039549 deg
peri 159.0318224587569 0.00039687 deg
M 96.91925289822265 2.7623e-05 deg
tp 2456627.496783136817
(2013-Nov-30.99678314)
0.00010404 JED
period 1385.495183415808
3.79
1.9821e-05
5.427e-08
d
yr
n .2598348982437124 3.7173e-09 deg/d
Q 3.032716886910827 2.8925e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      5964 days (16.33 yr)  
   first obs. used      1998-09-20  
   last obs. used      2015-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53037  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 21:18:36  

Additional Information
 Earth MOID = .83271 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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