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541709 (2011 WQ43)
Classification: Main-belt Asteroid          SPK-ID: 2541709
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796990881427633 4.733e-08  
a 2.628377419333504 2.2146e-08 au
q 2.156060393784244 1.2962e-07 au
i 12.77507099096996 5.0695e-06 deg
node 237.1234429622888 2.4561e-05 deg
peri 162.9294082155808 3.0437e-05 deg
M 64.76324514748914 1.7855e-05 deg
tp 2458920.501232612106
(2020-Mar-12.00123261)
7.5386e-05 TDB
period 1556.431522696016
4.26
1.9671e-05
5.386e-08
d
yr
n .2312983223164331 2.9233e-09 deg/d
Q 3.100694444882763 2.6125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      6757 days (18.50 yr)  
   first obs. used      2002-09-03  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:10  

Additional Information
 Earth MOID = 1.16729 au 
 Jupiter MOID = 2.31235 au 
 T_jup = 3.343 
[ 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 16.99   n/a MPCxxxxx  

541709 (2011 WQ43)          Discovered 2002-Sep-03 by NEAT at Palomar
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 WQ43 = 2002 RQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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