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277199 (2005 QN56)
Classification: Main-belt Asteroid          SPK-ID: 2277199
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205789960085531 5.9854e-08  
a 2.191527961565203 9.5468e-09 au
q 1.740533509828375 1.2939e-07 au
i 4.564934148203322 6.9309e-06 deg
node 2.214615349594355 6.0872e-05 deg
peri 294.0083558979062 6.2789e-05 deg
M 219.6224261166465 1.4809e-05 deg
tp 2459462.576819895671
(2021-Sep-05.07681990)
4.9788e-05 TDB
period 1185.001639226702
3.24
7.7432e-06
2.12e-08
d
yr
n .30379704810782 1.9851e-09 deg/d
Q 2.642522413302032 1.1511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      6910 days (18.92 yr)  
   first obs. used      2001-03-04  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:10:31  

Additional Information
 Earth MOID = .731066 au 
 Jupiter MOID = 2.57745 au 
 T_jup = 3.640 
[ 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 MPO455057  

277199 (2005 QN56)          Discovered 2005-Aug-28 by Siding Spring Survey at Siding Spring
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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