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215421 (2002 GO155)
Classification: Main-belt Asteroid          SPK-ID: 2215421
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06633925808513319 4.3334e-08  
a 2.238123060467533 1.203e-08 au
q 2.089647637132889 9.6009e-08 au
i 5.344000692865631 6.5016e-06 deg
node 71.9957106511695 5.0027e-05 deg
peri 48.51642263531808 7.5094e-05 deg
M 216.233924269085 5.4328e-05 deg
tp 2459488.902960066311
(2021-Oct-01.40296007)
0.00018527 TDB
period 1222.994122430952
3.35
9.8603e-06
2.7e-08
d
yr
n .2943595503831417 2.3732e-09 deg/d
Q 2.386598483802176 1.2828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      6824 days (18.68 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:23:10  

Additional Information
 Earth MOID = 1.11015 au 
 Jupiter MOID = 2.65266 au 
 T_jup = 3.628 
[ 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 16.9   n/a MPO321052  

215421 (2002 GO155)          Discovered 2002-Apr-13 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2002 GO155 = 2005 BA20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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