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541504 (2011 QF16)
Classification: Main-belt Asteroid          SPK-ID: 2541504
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03360634558628048 4.8131e-08  
a 2.453773957533572 1.9472e-08 au
q 2.371311581926083 1.2941e-07 au
i 7.419729327805105 4.9307e-06 deg
node 142.4841741673982 3.36e-05 deg
peri 53.38370520260927 8.1596e-05 deg
M 293.4736591460875 7.3427e-05 deg
tp 2459459.942662177814
(2021-Sep-02.44266218)
0.00028649 TDB
period 1403.945522708246
3.84
1.6712e-05
4.575e-08
d
yr
n .2564202058962736 3.0522e-09 deg/d
Q 2.53623633314106 2.0126e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      7037 days (19.27 yr)  
   first obs. used      2002-01-07  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:23  

Additional Information
 Earth MOID = 1.37905 au 
 Jupiter MOID = 2.43162 au 
 T_jup = 3.482 
[ 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 17.04   .35631 MPCxxxxx autocmod 2.8

541504 (2011 QF16)          Discovered 2002-Jan-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 QF16 = 2014 HK189 = 2017 BT15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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