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308406 (2005 SR84)
Classification: Main-belt Asteroid          SPK-ID: 2308406
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163358900723886 8.7842e-08  
a 3.163236308476541 4.661e-08 au
q 2.64649350239393 2.7624e-07 au
i .7651107742838347 8.9213e-06 deg
node 11.39059453543062 0.00065083 deg
peri 53.33915062889344 0.00065305 deg
M 182.6316527084127 4.4325e-05 deg
tp 2460012.940479486289
(2023-Mar-09.44047949)
0.00026365 TDB
period 2054.924557739009
5.63
4.5419e-05
1.244e-07
d
yr
n .175188913210566 3.8721e-09 deg/d
Q 3.679979114559152 5.4224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      5349 days (14.64 yr)  
   first obs. used      2003-06-02  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59971  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:04:09  

Additional Information
 Earth MOID = 1.66009 au 
 Jupiter MOID = 1.63839 au 
 T_jup = 3.183 
[ 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 16.9   n/a MPO258201  

308406 (2005 SR84)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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