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385301 (2001 UU226)
Classification: Main-belt Asteroid          SPK-ID: 2385301
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575980571161761 9.6664e-08  
a 3.097689142107479 4.7871e-08 au
q 2.609499351761466 3.2499e-07 au
i 6.269023656204078 1.0121e-05 deg
node 141.3423412356609 7.0922e-05 deg
peri 256.5791116698184 8.4489e-05 deg
M 170.1186984385868 4.7966e-05 deg
tp 2458259.467272632314
(2018-May-20.96727263)
0.00024855 TDB
period 1991.384750540309
5.45
4.6162e-05
1.264e-07
d
yr
n .1807787269146877 4.1906e-09 deg/d
Q 3.585878932453493 5.5415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      6714 days (18.38 yr)  
   first obs. used      2001-10-10  
   last obs. used      2020-02-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:52  

Additional Information
 Earth MOID = 1.6247 au 
 Jupiter MOID = 1.87882 au 
 T_jup = 3.195 
[ 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 16.79   n/a E2021B25  

385301 (2001 UU226)          Discovered 2001-Oct-16 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2001 UU226 = 2009 DQ55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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