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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638771631553338 4.3205e-08  
a 3.089086513911419 1.9666e-08 au
q 2.582855779270216 1.3693e-07 au
i 12.17054900625422 4.9854e-06 deg
node 171.332758255592 2.0535e-05 deg
peri 176.9666318172995 2.445e-05 deg
M 214.9782685703728 1.3566e-05 deg
tp 2459999.366333608008
(2023-Feb-23.86633361)		 7.778e-05 TDB
period 1983.095066262113
5.43		 1.8937e-05
5.185e-08		 d
yr
n .181534413616668 1.7335e-09 deg/d
Q 3.595317248552622 2.2889e-08 au
   Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      9295 days (25.45 yr)  
   first obs. used      1995-08-29  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:18:15  

Additional Information
 Earth MOID = 1.57489 au 
 Jupiter MOID = 1.84715 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 14.75   n/a E2021B55  
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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