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172118 (2002 GN114)
Classification: Main-belt Asteroid          SPK-ID: 2172118
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179231762616175 3.9425e-08  
a 2.359836483681986 1.4055e-08 au
q 1.936878831225707 9.7477e-08 au
i 6.89437331425545 4.2479e-06 deg
node 63.33806972173276 3.8394e-05 deg
peri 215.7040895221863 4.1285e-05 deg
M 296.0700415270405 1.8828e-05 deg
tp 2459235.638213989466
(2021-Jan-21.13821399)
7.0227e-05 TDB
period 1324.101548916417
3.63
1.1829e-05
3.239e-08
d
yr
n .2718824702641631 2.429e-09 deg/d
Q 2.782794136138265 1.6574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      6606 days (18.09 yr)  
   first obs. used      2002-03-23  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58192  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:15:37  

Additional Information
 Earth MOID = .925375 au 
 Jupiter MOID = 2.34918 au 
 T_jup = 3.520 
[ 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 16.0   n/a MPO264378  
diameter diameter 1.804 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.312   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172118 (2002 GN114)          Discovered 2002-Apr-11 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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