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JPL Small-Body Database Browser
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109980 (2001 SC55)
Classification: Main-belt Asteroid          SPK-ID: 2109980
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631975038333101 4.6003e-08  
a 3.090899917532537 2.047e-08 au
q 2.586472766392644 1.4704e-07 au
i 12.16537676545522 5.2375e-06 deg
node 171.3414938268418 2.2032e-05 deg
peri 176.9662027916278 2.6527e-05 deg
M 106.1199246968648 1.3966e-05 deg
tp 2458015.413235750584
(2017-Sep-18.91323575)
7.6128e-05 TDB
period 1984.841543484553
5.43
1.9717e-05
5.398e-08
d
yr
n .1813746801006545 1.8017e-09 deg/d
Q 3.595327068672431 2.381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      8552 days (23.41 yr)  
   first obs. used      1995-08-29  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53895  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:45:10  

Additional Information
 Earth MOID = 1.57936 au 
 Jupiter MOID = 1.84277 au 
 T_jup = 3.170 
[ 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 14.7   n/a MPO432620  
diameter diameter 5.207 km 1.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109980 (2001 SC55)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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