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269731 (1998 SG63)
Classification: Main-belt Asteroid          SPK-ID: 2269731
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852591688216081 1.0398e-07  
a 2.324220822907932 3.1386e-08 AU
q 1.893637605098134 2.4145e-07 AU
i 4.315163717417893 1.0851e-05 deg
node 81.57780594450237 0.00021319 deg
peri 304.6102240683128 0.00021962 deg
M 131.2453312329729 5.5115e-05 deg
tp 2456328.658787741336
(2013-Feb-05.15878774)
0.0001925 JED
period 1294.239077438848
3.54
2.6216e-05
7.178e-08
d
yr
n .2781557181169332 5.6343e-09 deg/d
Q 2.754804040717729 3.7201e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      5656 days (15.49 yr)  
   first obs. used      1998-09-26  
   last obs. used      2014-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .7351  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 17:16:12  

Additional Information
 Earth MOID = .900791 AU 
 T_jup = 3.549 
[ 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 MPO241589  

269731 (1998 SG63)          Discovered 1998-Sep-26 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20110418/Numbers.arcLast Updated: 2011-04-22

Alternate Designations
 1998 SG63 = 2005 OL6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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