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277216 (2005 QS139)
Classification: Main-belt Asteroid          SPK-ID: 2277216
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423501103035175 8.2128e-08  
a 2.406907062000667 1.9071e-08 au
q 2.064283576234557 1.9364e-07 au
i 2.049231763004511 8.6545e-06 deg
node 114.7502998486312 0.00020504 deg
peri 343.8761602201405 0.00020808 deg
M 249.9009589397233 2.9326e-05 deg
tp 2459417.627136625210
(2021-Jul-22.12713663)
0.00011072 TDB
period 1363.915323321149
3.73
1.621e-05
4.438e-08
d
yr
n .2639460044509186 3.137e-09 deg/d
Q 2.749530547766777 2.1785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      9505 days (26.02 yr)  
   first obs. used      1992-02-29  
   last obs. used      2018-03-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:39:03  

Additional Information
 Earth MOID = 1.08124 au 
 Jupiter MOID = 2.39451 au 
 T_jup = 3.507 
[ 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 17.5   n/a MPO281474  

277216 (2005 QS139)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
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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