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JPL Small-Body Database Browser
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172104 (2002 GA12)
Classification: Main-belt Asteroid          SPK-ID: 2172104
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09987835192300765 5.4045e-08  
a 2.236166784193539 1.3282e-08 au
q 2.012822131163317 1.2423e-07 au
i 2.397049664658028 5.2865e-06 deg
node 106.9800552019642 0.00012402 deg
peri 78.80505695661577 0.00012772 deg
M 165.8332954206157 3.064e-05 deg
tp 2458437.868626719591
(2018-Nov-15.36862672)
0.00010187 TDB
period 1221.39099911879
3.34
1.0882e-05
2.979e-08
d
yr
n .2947459087710104 2.6259e-09 deg/d
Q 2.459511437223762 1.4608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      8769 days (24.01 yr)  
   first obs. used      1995-02-02  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58909  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:36:21  

Additional Information
 Earth MOID = 1.01584 au 
 Jupiter MOID = 2.49697 au 
 T_jup = 3.630 
[ 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 17.0   n/a MPO433104  
rotation period rot_per 9.80 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]

172104 (2002 GA12)          Discovered 2002-Apr-15 by Yeung, W. K. Y. at Desert Eagle
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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