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JPL Small-Body Database Browser
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441431 (2008 GC138)
Classification: Main-belt Asteroid          SPK-ID: 2441431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07194431479811964 6.6157e-08  
a 3.151027163495091 5.4099e-08 au
q 2.924328673307174 2.0136e-07 au
i 16.85829655041823 7.5324e-06 deg
node 65.82322522009072 2.4669e-05 deg
peri 88.39560004341934 6.0955e-05 deg
M 57.93223399821553 5.4407e-05 deg
tp 2458271.728303356768
(2018-Jun-02.22830336)
0.00031124 TDB
period 2043.038954707134
5.59
5.2615e-05
1.441e-07
d
yr
n .1762080939135129 4.5379e-09 deg/d
Q 3.377725653683008 5.7991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      4992 days (13.67 yr)  
   first obs. used      2005-11-01  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60939  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:06  

Additional Information
 Earth MOID = 1.99774 au 
 Jupiter MOID = 1.80053 au 
 T_jup = 3.137 
[ 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 15.9   n/a MPO397572  

441431 (2008 GC138)          Discovered 2008-Apr-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2008 GC138 = 2005 WA172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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