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541371 (2011 GW8)
Classification: Main-belt Asteroid          SPK-ID: 2541371
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06004738498784747 8.6855e-08  
a 3.068346012553986 4.5513e-08 au
q 2.884099858262231 2.6151e-07 au
i 11.01038767518059 7.5622e-06 deg
node 75.05019530877254 3.0997e-05 deg
peri 299.2872498446755 6.5123e-05 deg
M 101.6458265345158 5.8679e-05 deg
tp 2458646.203703475493
(2019-Jun-11.70370348)
0.00031908 TDB
period 1963.156516623556
5.37
4.3679e-05
1.196e-07
d
yr
n .1833781448150482 4.0801e-09 deg/d
Q 3.252592166845742 4.8246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6310 days (17.28 yr)  
   first obs. used      2003-11-30  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:01  

Additional Information
 Earth MOID = 1.90517 au 
 Jupiter MOID = 2.09727 au 
 T_jup = 3.201 
[ 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 16.28   .50786 MPCxxxxx autocmod 2.8

541371 (2011 GW8)          Discovered 2008-Sep-29 by CSS at Catalina
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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