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JPL Small-Body Database Browser
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97631 Kentrobinson (2000 ED144)
Classification: Main-belt Asteroid          SPK-ID: 2097631
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05032833132733164 3.989e-08  
a 3.120349589284808 2.924e-08 au
q 2.963307601298179 1.2169e-07 au
i 9.053011690027066 5.2699e-06 deg
node 41.96024688712689 2.7919e-05 deg
peri 215.7457382760551 5.8608e-05 deg
M 146.0837628746796 5.176e-05 deg
tp 2458183.536313753569
(2018-Mar-06.03631375)
0.00028938 TDB
period 2013.275953885576
5.51
2.8299e-05
7.748e-08
d
yr
n .1788130431425499 2.5134e-09 deg/d
Q 3.277391577271437 3.0712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      9002 days (24.65 yr)  
   first obs. used      1995-04-02  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59744  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 09:15:37  

Additional Information
 Earth MOID = 1.95448 au 
 Jupiter MOID = 1.73891 au 
 T_jup = 3.195 
[ 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 14.6   n/a MPO453426  
diameter diameter 7.077 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 0.92 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.061   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97631 Kentrobinson           Discovered 2000 Mar. 3 by L. H. Wasserman at the Anderson Mesa Station of the Lowell Observatory.
Ernest Kent Robinson (b. 1939), Advisory Board member at Lowell Observatory, enthusiastically spearheaded the capital campaign for a collection center and library to protect, preserve and make available the historic archives of that institution.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-05-14Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 2000 ED144 = 2003 UQ23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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