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225057 (2007 HK)
Classification: Main-belt Asteroid          SPK-ID: 2225057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06858499143016727 4.6562e-08  
a 2.869187266479528 2.2137e-08 au
q 2.672404082396485 1.3437e-07 au
i 1.727062849349543 4.685e-06 deg
node 2.579941652576092 0.00016888 deg
peri 42.97478446829805 0.00017268 deg
M 92.67737155402713 3.4379e-05 deg
tp 2458743.508653533524
(2019-Sep-17.00865353)
0.00016986 TDB
period 1775.156998621015
4.86
2.0545e-05
5.625e-08
d
yr
n .2027989638548346 2.3471e-09 deg/d
Q 3.065970450562571 2.3656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      6926 days (18.96 yr)  
   first obs. used      2002-03-20  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:30:17  

Additional Information
 Earth MOID = 1.68082 au 
 Jupiter MOID = 2.20372 au 
 T_jup = 3.295 
[ 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 16.5   n/a MPO454615  

225057 (2007 HK)          Discovered 2007-Apr-16 by Ries, W. at Altschwendt
Reference: 20091102/Numbers.arcLast Updated: 2009-11-04

Alternate Designations
 2007 HK = 2006 AG102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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