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227287 (2005 SJ179)
Classification: Main-belt Asteroid          SPK-ID: 2227287
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075153842143747 4.2334e-08  
a 2.383099187217201 8.3244e-09 au
q 1.88856944376086 9.9261e-08 au
i 2.443571255638484 3.8244e-06 deg
node 124.293900823269 0.00013384 deg
peri 227.859960984552 0.00013445 deg
M 58.5755522706156 1.4001e-05 deg
tp 2458981.862075564888
(2020-May-12.36207556)
5.159e-05 TDB
period 1343.728735719068
3.68
7.0407e-06
1.928e-08
d
yr
n .2679112163269721 1.4038e-09 deg/d
Q 2.877628930673543 1.0052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      9619 days (26.34 yr)  
   first obs. used      1994-10-02  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:11  

Additional Information
 Earth MOID = .882307 au 
 Jupiter MOID = 2.55669 au 
 T_jup = 3.506 
[ 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 17.3   n/a MPO475860  

227287 (2005 SJ179)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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