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245406 (2005 HF5)
Classification: Main-belt Asteroid          SPK-ID: 2245406
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2196423933008388 5.5452e-08  
a 2.989960695489207 2.582e-08 au
q 2.333238572456517 1.7136e-07 au
i 11.90095764861439 5.0663e-06 deg
node 83.91829053559512 3.6797e-05 deg
peri 161.314764003484 4.0614e-05 deg
M 323.970063751805 2.0379e-05 deg
tp 2459189.498187285612
(2020-Dec-05.99818729)
0.00010837 TDB
period 1888.411540728969
5.17
2.4461e-05
6.697e-08
d
yr
n .1906364117331289 2.4694e-09 deg/d
Q 3.646682818521897 3.1491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      5947 days (16.28 yr)  
   first obs. used      2003-10-22  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:42:36  

Additional Information
 Earth MOID = 1.32281 au 
 Jupiter MOID = 1.4165 au 
 T_jup = 3.188 
[ 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 15.6   n/a MPO391285  
diameter diameter 4.751 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245406 (2005 HF5)          Discovered 2005-Apr-30 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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