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277217 (2005 QH143)
Classification: Main-belt Asteroid          SPK-ID: 2277217
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 .2430382676566449 5.5616e-08  
a 2.292528361945943 6.7913e-09 au
q 1.735356240304875 1.2484e-07 au
i 9.44701632830821 5.9666e-06 deg
node 209.9592161300015 1.9575e-05 deg
peri 148.9644808664237 2.3502e-05 deg
M 82.07141116586534 1.0953e-05 deg
tp 2458711.458699331842
(2019-Aug-15.95869933)
3.789e-05 TDB
period 1267.857671293641
3.47
5.6338e-06
1.542e-08
d
yr
n .2839435436255862 1.2617e-09 deg/d
Q 2.849700483587011 8.4418e-09 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      7820 days (21.41 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:10:33  

Additional Information
 Earth MOID = .740539 au 
 Jupiter MOID = 2.63884 au 
 T_jup = 3.540 
[ 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 17.5   n/a MPO446374  

277217 (2005 QH143)          Discovered 2005-Aug-31 by Tucker, R. A. at Goodricke-Pigott
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 QH143 = 1998 QG67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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