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JPL Small-Body Database Browser
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172206 (2002 QQ54)
Classification: Main-belt Asteroid          SPK-ID: 2172206
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0758529890374236 3.6851e-08  
a 2.533362216098423 1.7503e-08 au
q 2.341199119692886 9.2258e-08 au
i 3.064560815895546 4.6655e-06 deg
node 114.509084549617 8.4111e-05 deg
peri 139.3638834113854 9.1026e-05 deg
M 219.1930401868925 3.7079e-05 deg
tp 2459576.557693530656
(2021-Dec-28.05769353)
0.00015402 TDB
period 1472.801983270514
4.03
1.5264e-05
4.179e-08
d
yr
n .2444320445580754 2.5332e-09 deg/d
Q 2.725525312503959 1.8831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      6848 days (18.75 yr)  
   first obs. used      2001-03-04  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57893  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:59:32  

Additional Information
 Earth MOID = 1.32744 au 
 Jupiter MOID = 2.29378 au 
 T_jup = 3.443 
[ 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 16.5   n/a MPO454180  

172206 (2002 QQ54)          Discovered 2002-Aug-29 by Hoenig, S. F. at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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