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308915 (2006 SG291)
Classification: Main-belt Asteroid          SPK-ID: 2308915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2273013908472242 7.8157e-08  
a 2.718801034367937 3.4234e-08 au
q 2.100813777819233 2.1322e-07 au
i 14.66179847729523 1.0959e-05 deg
node 77.21412803470371 3.805e-05 deg
peri 263.1992614680137 4.3574e-05 deg
M 29.14497123608706 2.5033e-05 deg
tp 2458867.935970452066
(2020-Jan-19.43597045)
0.0001125 TDB
period 1637.436875496585
4.48
3.0927e-05
8.467e-08
d
yr
n .2198558035349137 4.1525e-09 deg/d
Q 3.33678829091664 4.2016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5606 days (15.35 yr)  
   first obs. used      2002-12-05  
   last obs. used      2018-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58864  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:58:04  

Additional Information
 Earth MOID = 1.15169 au 
 Jupiter MOID = 2.24504 au 
 T_jup = 3.276 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO440450  

308915 (2006 SG291)          Discovered 2006-Sep-16 by Siding Spring Survey at Siding Spring
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

Alternate Designations
 2006 SG291 = 2002 XG104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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