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227784 (2006 WF198)
Classification: Main-belt Asteroid          SPK-ID: 2227784
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269998940740155 5.6309e-08  
a 2.368773509930401 1.4922e-08 au
q 2.067939525083907 1.3708e-07 au
i .6791623987992332 5.9837e-06 deg
node 333.2599482749233 0.00050456 deg
peri 187.4876226577712 0.00050516 deg
M 258.9956395693056 2.5784e-05 deg
tp 2459574.112463496477
(2021-Dec-25.61246350)
9.711e-05 TDB
period 1331.630498774567
3.65
1.2583e-05
3.445e-08
d
yr
n .2703452649449604 2.5545e-09 deg/d
Q 2.669607494776896 1.6817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      7553 days (20.68 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-11-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:09  

Additional Information
 Earth MOID = 1.07611 au 
 Jupiter MOID = 2.30799 au 
 T_jup = 3.535 
[ 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 17.7   n/a MPO437078  

227784 (2006 WF198)          Discovered 2006-Nov-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2006 WF198 = 2002 WF21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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