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212379 (2006 HD55)
Classification: Main-belt Asteroid          SPK-ID: 2212379
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176444155242744 1.0072e-07  
a 2.219617017261886 1.559e-08 au
q 1.958491470578378 2.2736e-07 au
i 5.840323636037263 8.5083e-06 deg
node 64.13657484619651 6.7677e-05 deg
peri 180.1595800507585 7.3811e-05 deg
M 77.99576279974899 3.2128e-05 deg
tp 2458738.811881546038
(2019-Sep-12.31188155)
0.00010694 TDB
period 1207.856930450196
3.31
1.2726e-05
3.484e-08
d
yr
n .2980485444296947 3.1401e-09 deg/d
Q 2.480742563945393 1.7424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5253 days (14.38 yr)  
   first obs. used      2004-12-10  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62843  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:13:42  

Additional Information
 Earth MOID = .945269 au 
 Jupiter MOID = 2.52724 au 
 T_jup = 3.635 
[ 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 17.1   n/a MPO433388  

212379 (2006 HD55)          Discovered 2006-Apr-21 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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