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541703 (2011 WM28)
Classification: Main-belt Asteroid          SPK-ID: 2541703
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2041098584511843 7.9256e-07  
a 2.564517841506244 1.1801e-07 au
q 2.041074467880867 2.1127e-06 au
i 11.79677744532959 1.9218e-05 deg
node 248.6478252916592 6.4143e-05 deg
peri 119.1884269989288 0.0002735 deg
M 107.9536493747422 0.00016425 deg
tp 2458750.676809508619
(2019-Sep-24.17680951)
0.00069449 TDB
period 1500.054417009689
4.11
0.00010354
2.835e-07
d
yr
n .2399912935943008 1.6565e-08 deg/d
Q 3.08796121513162 1.421e-07 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      4396 days (12.04 yr)  
   first obs. used      2007-11-13  
   last obs. used      2019-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .47509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:09  

Additional Information
 Earth MOID = 1.06973 au 
 Jupiter MOID = 2.49413 au 
 T_jup = 3.374 
[ 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 18.0   n/a MPO504461  

541703 (2011 WM28)          Discovered 2007-Nov-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 WM28 = 2011 UM384 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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