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150512 (2000 QQ254)
Classification: Main-belt Asteroid          SPK-ID: 2150512
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311331484586992 4.7044e-08  
a 2.722578796442739 1.845e-08 au
q 2.365558466938307 1.271e-07 au
i 14.18663413740393 5.5415e-06 deg
node 154.7123182501187 1.7087e-05 deg
peri 186.5740520916862 2.3844e-05 deg
M 173.8569957083111 1.8816e-05 deg
tp 2458408.073877748951
(2018-Oct-16.57387775)
8.2996e-05 TDB
period 1640.85087774665
4.49
1.6679e-05
4.566e-08
d
yr
n .2193983651301581 2.2302e-09 deg/d
Q 3.079599125947172 2.087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      2000-08-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:18:52  

Additional Information
 Earth MOID = 1.35543 au 
 Jupiter MOID = 2.32124 au 
 T_jup = 3.302 
[ 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 15.93   n/a E2021B55  

150512 (2000 QQ254)          Discovered 2000-Aug-21 by LONEOS at Anderson Mesa
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2000 QQ254 = 2004 LZ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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