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541376 (2011 GM21)
Classification: Main-belt Asteroid          SPK-ID: 2541376
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04891611022452011 1.3707e-07  
a 3.080564601964475 6.0423e-08 au
q 2.929875364341025 4.55e-07 au
i 9.73352563669914 9.7432e-06 deg
node 339.2697567926959 3.9449e-05 deg
peri 198.3210902160961 9.6683e-05 deg
M 304.076164837104 8.8242e-05 deg
tp 2459507.287990078635
(2021-Oct-19.78799008)
0.0004883 TDB
period 1974.894534800881
5.41
5.8104e-05
1.591e-07
d
yr
n .1822882152217293 5.3632e-09 deg/d
Q 3.231253839587924 6.3379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5849 days (16.01 yr)  
   first obs. used      2005-02-02  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .593  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:01  

Additional Information
 Earth MOID = 1.93601 au 
 Jupiter MOID = 1.75421 au 
 T_jup = 3.204 
[ 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 16.82   .30159 MPCxxxxx autocmod 2.8

541376 (2011 GM21)          Discovered 2005-Feb-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 GM21 = 2016 DB12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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