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JPL Small-Body Database Browser
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344686 (2003 SW278)
Classification: Main-belt Asteroid          SPK-ID: 2344686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526745626448426 7.096e-08  
a 2.627939358085534 2.532e-08 au
q 2.226719865932656 1.8941e-07 au
i 13.31957571684912 7.0301e-06 deg
node 354.3384515333716 3.394e-05 deg
peri 106.0518290789975 4.091e-05 deg
M 174.39170367037 2.5033e-05 deg
tp 2457846.719747814313
(2017-Apr-03.21974781)
0.00010326 TDB
period 1556.04243249877
4.26
2.2489e-05
6.157e-08
d
yr
n .2313561587275574 3.3437e-09 deg/d
Q 3.029158850238411 2.9186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      1999-12-13  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67095  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:00  

Additional Information
 Earth MOID = 1.28528 au 
 Jupiter MOID = 2.17955 au 
 T_jup = 3.347 
[ 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 16.2   n/a MPO434168  

344686 (2003 SW278)          Discovered 2003-Sep-30 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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