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181121 (2005 QD110)
Classification: Main-belt Asteroid          SPK-ID: 2181121
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113483649233917 7.1709e-08  
a 3.010000927895305 3.9633e-08 au
q 2.66841503840027 2.3599e-07 au
i 8.927951568743822 8.0869e-06 deg
node 182.2664960072378 3.9844e-05 deg
peri 103.740225551811 5.6838e-05 deg
M 27.4839025318408 3.5808e-05 deg
tp 2459054.878912509592
(2020-Jul-24.37891251)
0.00018981 TDB
period 1907.428955397172
5.22
3.7673e-05
1.031e-07
d
yr
n .1887357319292867 3.7277e-09 deg/d
Q 3.351586817390341 4.4131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      8628 days (23.62 yr)  
   first obs. used      1995-10-21  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:18  

Additional Information
 Earth MOID = 1.66865 au 
 Jupiter MOID = 1.86046 au 
 T_jup = 3.222 
[ 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 15.92   n/a MPCxxxxx  

181121 (2005 QD110)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 QD110 = 1995 UB37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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