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447174 (2005 QH22)
Classification: Main-belt Asteroid          SPK-ID: 2447174
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09048584962942209 3.4055e-07  
a 2.87748567856389 7.0186e-08 au
q 2.617113942142543 9.3828e-07 au
i 2.460412450026515 1.154e-05 deg
node 39.44957101405017 0.00019111 deg
peri 322.8469481137097 0.00023569 deg
M 350.7281495991903 0.00010903 deg
tp 2459046.417908474997
(2020-Jul-15.91790847)
0.00053899 TDB
period 1782.863866047219
4.88
6.523e-05
1.786e-07
d
yr
n .2019223154699717 7.3878e-09 deg/d
Q 3.137857414985238 7.6537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      6912 days (18.92 yr)  
   first obs. used      1998-03-02  
   last obs. used      2017-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58662  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jul-11 15:47:17  

Additional Information
 Earth MOID = 1.6149 au 
 Jupiter MOID = 2.29304 au 
 T_jup = 3.288 
[ 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 MPO413514  

447174 (2005 QH22)          Discovered 2005-Aug-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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