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541707 (2011 WR40)
Classification: Main-belt Asteroid          SPK-ID: 2541707
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954450296844372 9.4218e-07  
a 2.533682970220336 1.1355e-07 au
q 2.038487226894669 2.4768e-06 au
i 3.289093782973664 3.3165e-05 deg
node 244.4353116169083 8.2762e-05 deg
peri 121.4931681585836 0.00061144 deg
M 132.2976823511134 0.00051655 deg
tp 2458659.151957430683
(2019-Jun-24.65195743)
0.0021495 TDB
period 1473.081703787791
4.03
9.9031e-05
2.711e-07
d
yr
n .2443856298495313 1.6429e-08 deg/d
Q 3.028878713546002 1.3575e-07 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      5839 days (15.99 yr)  
   first obs. used      2003-12-25  
   last obs. used      2019-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .49722  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:10  

Additional Information
 Earth MOID = 1.03784 au 
 Jupiter MOID = 2.44993 au 
 T_jup = 3.420 
[ 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 17.8   n/a MPO528804  

541707 (2011 WR40)          Discovered 2011-Oct-26 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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