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216011 (2005 US66)
Classification: Main-belt Asteroid          SPK-ID: 2216011
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2354399291144988 5.3759e-08  
a 3.104824106330976 2.342e-08 au
q 2.373824538823424 1.7049e-07 au
i 9.594549974907682 4.2845e-06 deg
node 122.6163369208709 4.2523e-05 deg
peri 242.1936744356167 4.387e-05 deg
M 292.8983794237665 1.4751e-05 deg
tp 2459572.964115450654
(2021-Dec-24.46411545)
8.4775e-05 TDB
period 1998.268900374773
5.47
2.261e-05
6.19e-08
d
yr
n .1801559339348585 2.0384e-09 deg/d
Q 3.835823673838528 2.8934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      8206 days (22.47 yr)  
   first obs. used      1998-03-21  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60239  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:53:03  

Additional Information
 Earth MOID = 1.38792 au 
 Jupiter MOID = 1.70664 au 
 T_jup = 3.156 
[ 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 15.28   n/a E2021B55  

216011 (2005 US66)          Discovered 2005-Oct-22 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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