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JPL Small-Body Database Browser
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452794 (2006 HF21)
Classification: Main-belt Asteroid          SPK-ID: 2452794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626781065359214 9.0131e-08  
a 2.335663065711157 2.4504e-08 au
q 1.955701820675381 2.1562e-07 au
i 3.47241571343524 7.2157e-06 deg
node 91.92193217504257 0.00017884 deg
peri 55.8419526056848 0.00018802 deg
M 281.2904502279118 5.0612e-05 deg
tp 2458885.561551217383
(2020-Feb-06.06155122)
0.00018414 TDB
period 1303.808225754195
3.57
2.0518e-05
5.618e-08
d
yr
n .2761142266852598 4.3452e-09 deg/d
Q 2.715624310746934 2.8491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      5114 days (14.00 yr)  
   first obs. used      2002-02-08  
   last obs. used      2016-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54025  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 10:46:26  

Additional Information
 Earth MOID = .970393 au 
 Jupiter MOID = 2.29218 au 
 T_jup = 3.547 
[ 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 18.2   n/a MPO368966  

452794 (2006 HF21)          Discovered 2006-Apr-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

Alternate Designations
 2006 HF21 = 2013 EP31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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