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266984 (2010 WN69)
Classification: Main-belt Asteroid          SPK-ID: 2266984
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586627096709494 6.158e-08  
a 2.989405504088576 3.2492e-08 au
q 2.515098326504632 1.8425e-07 au
i 3.953104034888121 6.9282e-06 deg
node 265.9010358222897 9.0162e-05 deg
peri 102.8095683135343 9.3695e-05 deg
M 350.3594777792533 2.1302e-05 deg
tp 2459051.056119392781
(2020-Jul-20.55611939)
0.00011149 TDB
period 1887.885590080754
5.17
3.0779e-05
8.427e-08
d
yr
n .1906895215957451 3.1089e-09 deg/d
Q 3.46371268167252 3.7647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      7289 days (19.96 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:21:13  

Additional Information
 Earth MOID = 1.51814 au 
 Jupiter MOID = 2.03645 au 
 T_jup = 3.234 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457692.5 (2016-Oct-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632119168159693 6.2405e-08  
q 2.499544385644938 1.8774e-07 au
tp 2457158.383928147523
(2015-May-15.88392815)
0.00011642 TDB
node 266.1244047899302 9.0722e-05 deg
peri 101.9507122318894 9.3912e-05 deg
i 3.941953522530006 6.9194e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      7289 days (19.96 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:21:13  

Additional Information
 Jupiter MOID = 2.03645 au 
 T_jup = 3.234 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.894429223940479E-15 -1.159659219717705E-14 1.55663206862695E-12 -3.453320552236434E-14 2.402285022297372E-13 -3.361280863944336E-15
q -1.159659219717705E-14 3.524522323314048E-14 -6.159610963899414E-12 1.102076982388602E-13 -9.975730501799339E-13 1.14799562199221E-14
tp 1.55663206862695E-12 -6.159610963899414E-12 1.355347975022262E-8 -3.390203399457683E-11 2.857511039156971E-9 -5.612330770969237E-12
node -3.453320552236434E-14 1.102076982388602E-13 -3.390203399457683E-11 8.230503800922789E-9 -8.216960671294392E-9 -2.25102620904127E-10
peri 2.402285022297372E-13 -9.975730501799339E-13 2.857511039156971E-9 -8.216960671294392E-9 8.819532935773638E-9 2.234484861088888E-10
i -3.361280863944336E-15 1.14799562199221E-14 -5.612330770969237E-12 -2.25102620904127E-10 2.234484861088888E-10 4.78779741365488E-11

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 16.2   n/a MPO446350  

266984 (2010 WN69)          Discovered 2000-Nov-30 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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