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308455 (2005 SO270)
Classification: Main-belt Asteroid          SPK-ID: 2308455
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1207877861032601 8.1688e-08  
a 3.106123462646191 4.211e-08 au
q 2.730941686229766 2.6722e-07 au
i 9.462265414029874 8.1401e-06 deg
node 161.1630134133855 4.4289e-05 deg
peri 196.4021694727915 5.1697e-05 deg
M 256.6230006304608 2.7985e-05 deg
tp 2459574.679812913456
(2021-Dec-26.17981291)
0.00015882 TDB
period 1999.523432770009
5.47
4.0661e-05
1.113e-07
d
yr
n .1800429012733697 3.6613e-09 deg/d
Q 3.481305239062618 4.7196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      6649 days (18.20 yr)  
   first obs. used      2002-02-11  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64124  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:12:34  

Additional Information
 Earth MOID = 1.72784 au 
 Jupiter MOID = 1.96022 au 
 T_jup = 3.188 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO433984  

308455 (2005 SO270)          Discovered 2005-Sep-30 by LONEOS at Anderson Mesa
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 SO270 = 2008 GH94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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