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JPL Small-Body Database Browser
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215016 Catherinegriffin (2008 US3)
Classification: Main-belt Asteroid          SPK-ID: 2215016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06593653069134287 9.2876e-08  
a 2.522310808326205 2.5491e-08 au
q 2.355998384299899 2.3334e-07 au
i 13.68682984729774 6.7379e-06 deg
node 283.8845678225657 3.7947e-05 deg
peri 249.7765201166196 6.1507e-05 deg
M 90.57892207568752 4.9954e-05 deg
tp 2458232.353246054793
(2018-Apr-23.85324605)
0.00020164 TDB
period 1463.175188920114
4.01
2.2181e-05
6.073e-08
d
yr
n .2460402573294695 3.7298e-09 deg/d
Q 2.688623232352512 2.7172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      11707 days (32.05 yr)  
   first obs. used      1986-04-04  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59118  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:34:37  

Additional Information
 Earth MOID = 1.40263 au 
 Jupiter MOID = 2.44278 au 
 T_jup = 3.413 
[ 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 15.8   n/a MPO251613  
diameter diameter 3.508 km 0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215016 Catherinegriffin           Discovered 2008 Oct. 21 by D. Grennan at Raheny Observatory, Dublin.
Catherine Grennan (née Griffin, 1939-2004) was the mother of the discoverer. She encouraged his interest in amateur astronomy, and this led to the discovery of this minor planet.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

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