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JPL Small-Body Database Browser
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447176 (2005 QQ56)
Classification: Inner Main-belt Asteroid          SPK-ID: 2447176
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04015949835351417 6.008e-08  
a 1.810346742078597 1.4272e-08 au
q 1.737644125070801 1.1248e-07 au
i 19.92589748281462 1.2285e-05 deg
node 331.3760143673461 1.3418e-05 deg
peri 256.9732524027648 0.00017953 deg
M 124.8667012507091 0.00017261 deg
tp 2458691.907610080753
(2019-Jul-27.40761008)
0.00042872 TDB
period 889.6948446477675
2.44
1.0521e-05
2.88e-08
d
yr
n .4046331190583946 4.785e-09 deg/d
Q 1.883049359086391 1.4845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5025 days (13.76 yr)  
   first obs. used      2005-07-29  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:07:57  

Additional Information
 Earth MOID = .790156 au 
 Jupiter MOID = 3.15115 au 
 T_jup = 3.982 
[ 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 17.7   n/a MPO472483  

447176 (2005 QQ56)          Discovered 2005-Aug-27 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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