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308273 (2005 GL156)
Classification: Mars-crossing Asteroid          SPK-ID: 2308273
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .428595457512524 6.6299e-08  
a 2.456301503282216 2.4296e-08 au
q 1.403541836694274 1.5109e-07 au
i 1.553793797696344 4.2793e-06 deg
node 113.2686366642475 0.000205 deg
peri 213.2799252790375 0.00020512 deg
M 270.284091783437 9.2031e-06 deg
tp 2459350.919201045707
(2021-May-16.41920105)
4.0384e-05 TDB
period 1406.115313149837
3.85
2.0862e-05
5.712e-08
d
yr
n .2560245213414002 3.7986e-09 deg/d
Q 3.509061169870158 3.4709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8415 days (23.04 yr)  
   first obs. used      1997-04-09  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:11:34  

Additional Information
 Earth MOID = .392296 au 
 Jupiter MOID = 1.85885 au 
 T_jup = 3.359 
[ 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 16.1   n/a MPO266782  

308273 (2005 GL156)          Discovered 2005-Apr-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 GL156 = 2000 CX138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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