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541721 (2011 WX69)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541721
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 .07824036852296826 1.0964e-07  
a 1.950775475110449 2.0964e-08 au
q 1.798146083032239 2.2686e-07 au
i 22.81942439067895 8.0081e-06 deg
node 52.73533091585287 1.888e-05 deg
peri 326.4907440775704 4.2998e-05 deg
M 146.5746706072505 4.2219e-05 deg
tp 2458795.303408366639
(2019-Nov-07.80340837)
0.00011345 TDB
period 995.1976858189458
2.72
1.6043e-05
4.392e-08
d
yr
n .3617371755680449 5.8312e-09 deg/d
Q 2.103404867188659 2.2605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      6890 days (18.86 yr)  
   first obs. used      2002-06-06  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:31  

Additional Information
 Earth MOID = .822186 au 
 Jupiter MOID = 3.17796 au 
 T_jup = 3.793 
[ 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 17.98   .34635 MPCxxxxx autocmod 2.8

541721 (2011 WX69)          Discovered 2011-Oct-31 by PMO NEO Survey Program at XuYi
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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