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108948 (2001 PC28)
Classification: Main-belt Asteroid          SPK-ID: 2108948
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819124609737323 3.9863e-08  
a 2.402696364154093 8.8623e-09 au
q 1.965615955578183 9.4892e-08 au
i 11.1961725772393 3.751e-06 deg
node 140.5258757790399 2.0267e-05 deg
peri 218.8042213711271 2.2397e-05 deg
M 338.3664301645212 8.4162e-06 deg
tp 2459082.247118426188
(2020-Aug-20.74711843)		 3.1733e-05 TDB
period 1360.337792478643
3.72		 7.5264e-06
2.061e-08		 d
yr
n .2646401518729047 1.4642e-09 deg/d
Q 2.839776772730003 1.0475e-08 au
   Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      8001 days (21.91 yr)  
   first obs. used      1998-12-15  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51191  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:33:14  

Additional Information
 Earth MOID = .973148 au 
 Jupiter MOID = 2.61721 au 
 T_jup = 3.477 
[ 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 15.9   n/a MPO436524  
diameter diameter 3.196 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108948 (2001 PC28)          Discovered 2001-Aug-14 by NEAT at Palomar
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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