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JPL Small-Body Database Browser
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154156 (2002 GY12)
Classification: Main-belt Asteroid          SPK-ID: 2154156
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333400207875898 6.4964e-08  
a 3.049984332484505 3.1908e-08 au
q 2.643299358189198 2.0309e-07 au
i 9.146151773290798 6.0937e-06 deg
node 18.09662539546168 4.0141e-05 deg
peri 300.8809704983894 4.4247e-05 deg
M 37.19394578420091 1.846e-05 deg
tp 2458799.491421457977
(2019-Nov-11.99142146)
9.9146e-05 TDB
period 1945.560944111136
5.33
3.0531e-05
8.359e-08
d
yr
n .1850366091535994 2.9037e-09 deg/d
Q 3.456669306779812 3.6163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      6344 days (17.37 yr)  
   first obs. used      2002-03-16  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:30:29  

Additional Information
 Earth MOID = 1.64559 au 
 Jupiter MOID = 1.94719 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 14.9   n/a MPO439918  

154156 (2002 GY12)          Discovered 2002-Apr-14 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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