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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06651827554270726 3.4143e-08  
a 2.237804298097254 1.0674e-08 au
q 2.088949415185766 7.8854e-08 au
i 5.344014351934038 4.1538e-06 deg
node 71.99258952714055 4.8928e-05 deg
peri 48.58408550570576 6.6992e-05 deg
M 275.0615430524417 4.6978e-05 deg
tp 2459488.991783517313
(2021-Oct-01.49178352)		 0.00016066 TDB
period 1222.732856217942
3.35		 8.7483e-06
2.395e-08		 d
yr
n .2944224473639506 2.1065e-09 deg/d
Q 2.386659181008742 1.1384e-08 au
   Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      7369 days (20.18 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-12-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:50:40  

Additional Information
 Earth MOID = 1.10936 au 
 Jupiter MOID = 2.65177 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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