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JPL Small-Body Database Browser
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146545 (2001 SC278)
Classification: Main-belt Asteroid          SPK-ID: 2146545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1755889364886351 3.7489e-08  
a 2.755423463986095 1.4087e-08 au
q 2.271601588368946 1.0658e-07 au
i 6.609758821842189 4.8599e-06 deg
node 283.01816875541 4.1483e-05 deg
peri 112.1113205102537 4.4573e-05 deg
M 297.8690964358251 1.4825e-05 deg
tp 2458888.827538399680
(2020-Feb-09.32753840)
6.9089e-05 TDB
period 1670.632613875832
4.57
1.2812e-05
3.508e-08
d
yr
n .2154872334048404 1.6525e-09 deg/d
Q 3.239245339603244 1.6561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      6638 days (18.17 yr)  
   first obs. used      2001-08-25  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:05:21  

Additional Information
 Earth MOID = 1.28805 au 
 Jupiter MOID = 2.22677 au 
 T_jup = 3.312 
[ 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 15.4   n/a MPO453931  
diameter diameter 3.920 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146545 (2001 SC278)          Discovered 2001-Sep-21 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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