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JPL Small-Body Database Browser
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277265 (2005 SW31)
Classification: Main-belt Asteroid          SPK-ID: 2277265
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 .07071775432464809 5.525e-08  
a 2.39867787286551 1.7043e-08 au
q 2.229048760348237 1.3342e-07 au
i 3.453105262718071 6.0144e-06 deg
node 72.44474885590687 0.00010046 deg
peri 342.5253246579334 0.00010905 deg
M 203.7812971124511 4.4399e-05 deg
tp 2459189.325821854960
(2020-Dec-05.82582186)
0.00016939 TDB
period 1356.926487991477
3.72
1.4462e-05
3.959e-08
d
yr
n .2653054555172493 2.8276e-09 deg/d
Q 2.568306985382783 1.8249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      8490 days (23.24 yr)  
   first obs. used      1994-11-28  
   last obs. used      2018-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57643  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 01:44:20  

Additional Information
 Earth MOID = 1.24035 au 
 Jupiter MOID = 2.64703 au 
 T_jup = 3.521 
[ 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 17.0   n/a MPO437262  

277265 (2005 SW31)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 SW31 = 1994 WG6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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