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186867 (2004 HS26)
Classification: Main-belt Asteroid          SPK-ID: 2186867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915067447610739 4.5831e-08  
a 2.621779728400098 1.5946e-08 au
q 2.119691227133623 1.2816e-07 au
i 11.63566746785663 4.1522e-06 deg
node 182.797775541399 2.1038e-05 deg
peri 109.5129658768078 2.367e-05 deg
M 272.6413140267218 1.2403e-05 deg
tp 2459576.767164583128
(2021-Dec-28.26716458)
5.5071e-05 TDB
period 1550.574825396989
4.25
1.4146e-05
3.873e-08
d
yr
n .2321719623610104 2.1182e-09 deg/d
Q 3.123868229666573 1.9e-08 au
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      6668 days (18.26 yr)  
   first obs. used      2003-01-28  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:31  

Additional Information
 Earth MOID = 1.13593 au 
 Jupiter MOID = 2.20815 au 
 T_jup = 3.349 
[ 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 16.41   n/a E2021B55  

186867 (2004 HS26)          Discovered 2004-Apr-20 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2004 HS26 = 2005 TF21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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