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171809 (2001 DO86)
Classification: Main-belt Asteroid          SPK-ID: 2171809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158346569866012 4.6116e-08  
a 2.317686900368659 1.2333e-08 au
q 2.049218433262117 1.0303e-07 au
i 3.323589725530976 3.7731e-06 deg
node 106.7521192396044 8.0156e-05 deg
peri 77.43869078972791 8.2003e-05 deg
M 250.1624500413271 1.891e-05 deg
tp 2459789.713945833356
(2022-Jul-29.21394583)
6.9476e-05 TDB
period 1288.785306602978
3.53
1.0287e-05
2.816e-08
d
yr
n .2793327935658265 2.2296e-09 deg/d
Q 2.586155367475202 1.3761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      9748 days (26.69 yr)  
   first obs. used      1994-03-10  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5769  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:50:08  

Additional Information
 Earth MOID = 1.05508 au 
 Jupiter MOID = 2.37136 au 
 T_jup = 3.569 
[ 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 17.34   n/a MPCxxxxx  

171809 (2001 DO86)          Discovered 2001-Feb-25 by Kusnirak, P. at Ondrejov
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2001 DO86 = 2005 LP25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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