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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431033653825104 4.0432e-08  
a 2.774866524895501 1.5634e-08 au
q 2.377773786695683 1.1688e-07 au
i 7.696381633277001 4.5387e-06 deg
node 42.17812023654851 3.327e-05 deg
peri 356.9820534645129 3.745e-05 deg
M 284.6128577937316 1.6468e-05 deg
tp 2458954.054486790650
(2020-Apr-14.55448679)
7.7977e-05 TDB
period 1688.346467576414
4.62
1.4269e-05
3.907e-08
d
yr
n .2132263767618577 1.8021e-09 deg/d
Q 3.171959263095319 1.7872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      1999-05-06  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55822  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:05:21  

Additional Information
 Earth MOID = 1.38509 au 
 Jupiter MOID = 2.24375 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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