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277225 (2005 QH165)
Classification: Main-belt Asteroid          SPK-ID: 2277225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984099360299487 7.1792e-08  
a 2.22701458990387 1.1882e-08 au
q 1.78515276758328 1.5644e-07 au
i 5.50582595138646 4.6746e-06 deg
node 67.35083100097421 5.7927e-05 deg
peri 268.4257795027564 5.9458e-05 deg
M 168.9783917883167 1.6151e-05 deg
tp 2458430.714107804452
(2018-Nov-08.21410780)
5.1564e-05 TDB
period 1213.90030417238
3.32
9.7146e-06
2.66e-08
d
yr
n .2965647168574052 2.3734e-09 deg/d
Q 2.668876412224459 1.4239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      6831 days (18.70 yr)  
   first obs. used      2001-05-15  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57729  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:10:45  

Additional Information
 Earth MOID = .786065 au 
 Jupiter MOID = 2.71814 au 
 T_jup = 3.613 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO455057  

277225 (2005 QH165)          Discovered 2005-Aug-31 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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