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152204 (2005 QQ154)
Classification: Main-belt Asteroid          SPK-ID: 2152204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766130292873635 8.9487e-08  
a 2.656721825544609 1.8223e-08 au
q 2.187510135961321 2.3717e-07 au
i 13.38820114267096 9.3244e-06 deg
node 302.9365080685362 2.3354e-05 deg
peri 55.76880267990428 3.1326e-05 deg
M 177.8968838220829 1.8419e-05 deg
tp 2458418.902084948571
(2018-Oct-27.40208495)
8.0773e-05 TDB
period 1581.676100071105
4.33
1.6273e-05
4.455e-08
d
yr
n .2276066509342944 2.3418e-09 deg/d
Q 3.125933515127897 2.1441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      9561 days (26.18 yr)  
   first obs. used      1994-01-19  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:08  

Additional Information
 Earth MOID = 1.20997 au 
 Jupiter MOID = 2.38603 au 
 T_jup = 3.327 
[ 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 16.33   n/a E2021B55  

152204 (2005 QQ154)          Discovered 2005-Aug-28 by LONEOS at Anderson Mesa
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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