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541516 (2011 QQ73)
Classification: Main-belt Asteroid          SPK-ID: 2541516
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05120484120764104 1.0621e-07  
a 2.35598344669874 3.4388e-08 au
q 2.235345688422701 2.4224e-07 au
i 5.639642546352207 9.8568e-06 deg
node 284.0380426893817 0.00010614 deg
peri 267.4437176055339 0.00015387 deg
M 351.4472008118786 0.00010717 deg
tp 2459231.880694688572
(2021-Jan-17.38069469)
0.00039288 TDB
period 1320.859971034497
3.62
2.8919e-05
7.918e-08
d
yr
n .2725497084433925 5.9673e-09 deg/d
Q 2.47662120497478 3.6149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      4566 days (12.50 yr)  
   first obs. used      2007-06-17  
   last obs. used      2019-12-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6934  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:30  

Additional Information
 Earth MOID = 1.24237 au 
 Jupiter MOID = 2.51306 au 
 T_jup = 3.546 
[ 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   .24463 MPO535740 autocmod 2.8

541516 (2011 QQ73)          Discovered 2008-Oct-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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