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362769 (2011 WE77)
Classification: Main-belt Asteroid          SPK-ID: 2362769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1005397249999125 3.6049e-08  
a 2.334567394420671 1.4881e-08 au
q 2.099850630591854 8.2161e-08 au
i 5.60343069742963 3.9598e-06 deg
node 260.0930220349081 5.0547e-05 deg
peri 194.2193399526444 5.8055e-05 deg
M 166.3501442655975 2.8875e-05 deg
tp 2458598.455308366450
(2019-Apr-24.95530837)
0.00010238 TDB
period 1302.890898862302
3.57
1.2458e-05
3.411e-08
d
yr
n .2763086305341114 2.6419e-09 deg/d
Q 2.569284158249487 1.6377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      6648 days (18.20 yr)  
   first obs. used      2002-04-05  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60577  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:40:43  

Additional Information
 Earth MOID = 1.11678 au 
 Jupiter MOID = 2.58041 au 
 T_jup = 3.555 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.14   n/a E2021B25  

362769 (2011 WE77)          Discovered 2006-May-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2011 WE77 = 2004 XR54 = 2011 UP142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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