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308725 (2006 HK25)
Classification: Main-belt Asteroid          SPK-ID: 2308725
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305722797119034 4.7167e-08  
a 2.375500342114866 1.6271e-08 au
q 2.065325846988521 1.1289e-07 au
i 7.723359234171477 4.8565e-06 deg
node 73.34586563600672 4.1791e-05 deg
peri 305.4678020562319 4.6873e-05 deg
M 163.406519525154 2.0319e-05 deg
tp 2458393.487056297196
(2018-Oct-01.98705630)
7.4347e-05 TDB
period 1337.306861244119
3.66
1.374e-05
3.762e-08
d
yr
n .269197751415921 2.7658e-09 deg/d
Q 2.68567483724121 1.8395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      7088 days (19.41 yr)  
   first obs. used      2000-11-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:14:21  

Additional Information
 Earth MOID = 1.07947 au 
 Jupiter MOID = 2.77783 au 
 T_jup = 3.518 
[ 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 16.8   n/a MPO455274  

308725 (2006 HK25)          Discovered 2006-Apr-20 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

Alternate Designations
 2006 HK25 = 2007 SA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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