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308040 (2004 SA61)
Classification: Main-belt Asteroid          SPK-ID: 2308040
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326119656412207 6.0285e-08  
a 2.644777761856989 2.4898e-08 au
q 2.294048584172946 1.5754e-07 au
i 12.80593711235277 6.4104e-06 deg
node 348.4623384425939 2.8421e-05 deg
peri 66.70417012974808 3.7452e-05 deg
M 207.7497230563943 2.2668e-05 deg
tp 2459664.912499569308
(2022-Mar-26.41249957)
0.00010054 TDB
period 1571.021771826054
4.30
2.2185e-05
6.074e-08
d
yr
n .2291502297778848 3.2359e-09 deg/d
Q 2.995506939541033 2.82e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      5365 days (14.69 yr)  
   first obs. used      2004-09-18  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55178  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:57:27  

Additional Information
 Earth MOID = 1.33731 au 
 Jupiter MOID = 2.4299 au 
 T_jup = 3.346 
[ 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 16.3   n/a MPO241767  

308040 (2004 SA61)          Discovered 2004-Sep-18 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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