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324808 (2007 HE53)
Classification: Outer Main-belt Asteroid          SPK-ID: 2324808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1711327981603794 1.4276e-07  
a 3.201209176372377 9.5806e-08 au
q 2.653377292523089 4.3017e-07 au
i 28.96453300846038 1.1668e-05 deg
node 61.36537809224122 2.0092e-05 deg
peri 328.1583245759341 3.4349e-05 deg
M 245.2892593622322 3.8129e-05 deg
tp 2459267.108872286104
(2021-Feb-21.60887229)
0.00023973 TDB
period 2092.037700120869
5.73
9.3916e-05
2.571e-07
d
yr
n .1720810289313623 7.7251e-09 deg/d
Q 3.749041060221666 1.122e-07 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      4901 days (13.42 yr)  
   first obs. used      2004-12-15  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60382  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:00:38  

Additional Information
 Earth MOID = 1.69152 au 
 Jupiter MOID = 1.71836 au 
 T_jup = 2.978 
[ 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 14.9   n/a MPO353002  
diameter diameter 6.179 km 0.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

324808 (2007 HE53)          Discovered 2007-Apr-20 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2007 HE53 = 2009 UJ131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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