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134008 Davidhammond (2004 VP21)
Classification: Main-belt Asteroid          SPK-ID: 2134008
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08876323140934746 4.9431e-08  
a 2.732190894678482 2.3099e-08 au
q 2.489672802039623 1.3093e-07 au
i 17.9324845073376 6.6658e-06 deg
node 52.00523908952302 1.6932e-05 deg
peri 64.50864905444716 5.1668e-05 deg
M 103.2747168508579 4.4918e-05 deg
tp 2458527.287183503673
(2019-Feb-12.78718350)
0.00020526 TDB
period 1649.548109482545
4.52
2.0919e-05
5.727e-08
d
yr
n .2182415886693539 2.7676e-09 deg/d
Q 2.97470898731734 2.5149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      7083 days (19.39 yr)  
   first obs. used      2000-12-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:16:36  

Additional Information
 Earth MOID = 1.55627 au 
 Jupiter MOID = 2.27738 au 
 T_jup = 3.278 
[ 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 15.6   n/a MPO432805  
diameter diameter 2.549 km 0.572 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134008 Davidhammond           Discovered 2004 Nov. 4 by the Catalina Sky Survey.
Dave Hammond (b. 1983) worked on the OSIRIS-REx mission as the Science Processing Lead at the Science Processing and Operations Center.
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 2016-08-18Last Updated: 2016-08-22

Alternate Designations
 2004 VP21 = 2002 JV91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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