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146543 (2001 SC277)
Classification: Main-belt Asteroid          SPK-ID: 2146543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433104052653567 3.878e-08  
a 2.77501064502371 1.4834e-08 au
q 2.377322744869684 1.1179e-07 au
i 7.696039495359631 4.4371e-06 deg
node 42.17613038720792 3.2442e-05 deg
peri 357.0473492858834 3.6702e-05 deg
M 9.862483291757764 1.6349e-05 deg
tp 2458954.242816422312
(2020-Apr-14.74281642)
7.6594e-05 TDB
period 1688.478002480844
4.62
1.3539e-05
3.707e-08
d
yr
n .2132097661154363 1.7096e-09 deg/d
Q 3.172698545177737 1.696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      7837 days (21.46 yr)  
   first obs. used      1999-05-06  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:26:58  

Additional Information
 Earth MOID = 1.38525 au 
 Jupiter MOID = 2.24449 au 
 T_jup = 3.308 
[ 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 15.4   n/a MPO453931  
diameter diameter 4.350 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146543 (2001 SC277)          Discovered 2001-Sep-21 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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