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541740 (2011 WC118)
Classification: Main-belt Asteroid          SPK-ID: 2541740
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 .1536109558515463 9.0681e-08  
a 2.54568901338152 3.7012e-08 au
q 2.154643290735205 2.3367e-07 au
i 12.46497909590044 8.8337e-06 deg
node 340.5344991482613 4.3604e-05 deg
peri 97.17341917929524 6.1117e-05 deg
M 67.81646845691716 4.2234e-05 deg
tp 2458921.027475080515
(2020-Mar-12.52747508)
0.00017205 TDB
period 1483.564556814554
4.06
3.2354e-05
8.858e-08
d
yr
n .2426588033169089 5.292e-09 deg/d
Q 2.936734736027836 4.2697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      3425 days (9.38 yr)  
   first obs. used      2011-11-18  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55313  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:33  

Additional Information
 Earth MOID = 1.2111 au 
 Jupiter MOID = 2.36068 au 
 T_jup = 3.394 
[ 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 17.35   .39682 MPCxxxxx autocmod 2.8

541740 (2011 WC118)          Discovered 2011-Nov-18 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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