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186858 (2004 GA54)
Classification: Main-belt Asteroid          SPK-ID: 2186858
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09146822805287295 4.6551e-08  
a 2.377306595260448 1.0985e-08 au
q 2.159858573453567 1.1531e-07 au
i 11.59912902311251 4.7299e-06 deg
node 204.4645871809867 1.4553e-05 deg
peri 212.16684302804 2.4364e-05 deg
M 338.1546590045631 2.0517e-05 deg
tp 2459281.742363078934
(2021-Mar-08.24236308)
7.6406e-05 TDB
period 1338.832418066878
3.67
9.2797e-06
2.541e-08
d
yr
n .2688910091673751 1.8637e-09 deg/d
Q 2.59475461706733 1.199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      8084 days (22.13 yr)  
   first obs. used      1998-11-18  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57994  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:59  

Additional Information
 Earth MOID = 1.17669 au 
 Jupiter MOID = 2.73334 au 
 T_jup = 3.507 
[ 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 16.66   n/a E2021B55  

186858 (2004 GA54)          Discovered 2004-Apr-13 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2004 GA54 = 2002 WT15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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