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324808 (2007 HE53)
Classification: 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707097265452943 1.4197e-07  
a 3.195347050628123 9.4734e-08 au
q 2.649870229398084 4.2794e-07 au
i 28.9351792535161 1.166e-05 deg
node 61.31308879399725 2.0131e-05 deg
peri 328.8304787715995 3.4399e-05 deg
M 313.520895505237 4.0164e-05 deg
tp 2459269.858527707792
(2021-Feb-24.35852771)
0.0002402 TDB
period 2086.293852449998
5.71
9.278e-05
2.54e-07
d
yr
n .1725547911562128 7.6737e-09 deg/d
Q 3.740823871858163 1.1091e-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 = 1.68732 au 
 Jupiter MOID = 1.72405 au 
 T_jup = 2.980 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456584.5 (2013-Oct-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766122455215 1.4607e-07  
q 2.629074056316533 4.4807e-07 au
tp 2457172.383330327685
(2015-May-29.88333033)
0.0001908 TDB
node 61.45543818305217 2.0151e-05 deg
peri 327.1507234430213 3.3458e-05 deg
i 28.95830479643573 1.1688e-05 deg
  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
 Jupiter MOID = 1.72405 au 
 T_jup = 2.980 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.133603677033218E-14 -6.470584668936872E-14 1.399877076379527E-11 -5.55425683016571E-15 1.24372675096809E-12 7.622483182292917E-14
q -6.470584668936872E-14 2.007651605601089E-13 -4.01103081324459E-11 1.123962808521899E-14 -3.645511297747988E-12 -2.149051043177195E-13
tp 1.399877076379527E-11 -4.01103081324459E-11 3.640392010095906E-8 -2.212065146676591E-11 5.094561121524684E-9 -1.372233656353607E-11
node -5.55425683016571E-15 1.123962808521899E-14 -2.212065146676591E-11 4.060587314908272E-10 -3.568029862447419E-10 -5.778814737737991E-11
peri 1.24372675096809E-12 -3.645511297747988E-12 5.094561121524684E-9 -3.568029862447419E-10 1.119438262540496E-9 4.278450440146552E-11
i 7.622483182292917E-14 -2.149051043177195E-13 -1.372233656353607E-11 -5.778814737737991E-11 4.278450440146552E-11 1.36615287537174E-10

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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