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JPL Small-Body Database Browser
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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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2018-Dec-10 08:56 < 00:01 Jupiter 1.74723823104263 1.74723702562016 1.7472394364663 6.7537491387591 6.68158451183616 2458462.872076498 0.858729274180105 184.243061228809 52.8570483542901 81.2663761627195 1926087.10646923 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 11:00:42 2018-Dec-18 01:10
2030-Feb-26 01:10 00:02 Jupiter 1.78210873702569 1.78210620295631 1.78211127109678 6.73264088611414 6.66167161840767 2462558.548385225 1.97813282251763 207.881317328765 107.602314084034 -68.4385857472222 1704416.06360196 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 11:00:42 2018-Dec-18 01:10
2149-Jul-11 23:21 00:11 Jupiter 1.7758139667219 1.77580756970819 1.77582036420864 6.74855597646054 6.67750354980966 2506158.473075949 10.5458141980021 1507.17706537677 50.5469952052108 77.9221143132585 1749937.9898663 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 11:00:42 2018-Dec-18 01:10
2160-Sep-26 16:00 00:11 Jupiter 1.74169281948232 1.74168664420045 1.74169899506873 6.74343942611804 6.67093190375059 2510253.166705860 11.2481745957867 1251.94200902039 94.4482424854798 -76.4286045687296 1738705.18055576 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 11:00:42 2018-Dec-18 01:10

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