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JPL Small-Body Database Browser
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347398 (2012 SW8)
Classification: Main-belt Asteroid          SPK-ID: 2347398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1669436828329989 5.4751e-08  
a 2.62934536318355 3.8685e-08 au
q 2.19039276481382 1.4721e-07 au
i 9.461255095331015 1.1483e-05 deg
node 187.6136744443648 4.6698e-05 deg
peri 231.3446245432586 6.3455e-05 deg
M 246.9359583478549 4.3465e-05 deg
tp 2459489.593491251603
(2021-Oct-02.09349125)
0.00019284 TDB
period 1557.291374673202
4.26
3.4368e-05
9.409e-08
d
yr
n .2311706119065522 5.1018e-09 deg/d
Q 3.068297961553281 4.5143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      7627 days (20.88 yr)  
   first obs. used      1997-03-11  
   last obs. used      2018-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69741  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:19:54  

Additional Information
 Earth MOID = 1.21566 au 
 Jupiter MOID = 2.34178 au 
 T_jup = 3.362 
[ 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 MPO437471  

347398 (2012 SW8)          Discovered 2008-Oct-01 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2012 SW8 = 2008 WR63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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