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181546 (2006 US204)
Classification: Main-belt Asteroid          SPK-ID: 2181546
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 .05589213699430241 3.8476e-08  
a 2.65474902011545 1.4973e-08 au
q 2.506369424197668 9.9963e-08 au
i 2.646181200328402 4.8233e-06 deg
node 325.012397298038 0.00010269 deg
peri 116.04027142167 0.00011482 deg
M 67.26461591725922 5.0403e-05 deg
tp 2458905.299018876124
(2020-Feb-25.79901888)
0.00022102 TDB
period 1579.914666209032
4.33
1.3366e-05
3.659e-08
d
yr
n .2278604077167102 1.9277e-09 deg/d
Q 2.803128616033233 1.581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      7177 days (19.65 yr)  
   first obs. used      2001-08-21  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58489  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:37  

Additional Information
 Earth MOID = 1.52315 au 
 Jupiter MOID = 2.31473 au 
 T_jup = 3.385 
[ 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 16.34   n/a MPCxxxxx  

181546 (2006 US204)          Discovered 2006-Oct-22 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2006 US204 = 2004 GL50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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