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216268 (2006 WY77)
Classification: Outer Main-belt Asteroid          SPK-ID: 2216268
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04793872820581519 6.5827e-08  
a 3.24437085004164 3.9145e-08 au
q 3.088839837662624 1.9073e-07 au
i 5.440231089493746 6.0564e-06 deg
node 236.7317467167294 5.9293e-05 deg
peri 256.6054726199975 8.8908e-05 deg
M 111.1268259914871 6.5669e-05 deg
tp 2458737.613556101584
(2019-Sep-11.11355610)
0.0003896 TDB
period 2134.490188909026
5.84
3.863e-05
1.058e-07
d
yr
n .1686585405126655 3.0524e-09 deg/d
Q 3.399901862420656 4.1021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      9751 days (26.70 yr)  
   first obs. used      1994-10-28  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50151  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:30:46  

Additional Information
 Earth MOID = 2.1099 au 
 Jupiter MOID = 1.66328 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457771.5 (2017-Jan-18.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0492745173019155 6.5834e-08  
q 3.086543115060126 1.9133e-07 au
tp 2458740.718803008853
(2019-Sep-14.21880301)
0.00037861 TDB
node 236.7558970873341 5.9304e-05 deg
peri 257.231970279939 8.7525e-05 deg
i 5.438762913570808 6.0554e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      9751 days (26.70 yr)  
   first obs. used      1994-10-28  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50151  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:30:46  

Additional Information
 Jupiter MOID = 1.66328 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.334058288994221E-15 -1.246171985991082E-14 2.272607599329326E-12 -2.794070385036349E-15 1.24257902605531E-13 -2.08093033462846E-15
q -1.246171985991082E-14 3.660828198135187E-14 -8.000568508283613E-12 -1.725584078605542E-15 -6.579970879150492E-13 6.612203645292526E-15
tp 2.272607599329326E-12 -8.000568508283613E-12 1.433475482855026E-7 3.59135631032996E-11 2.435925178415571E-8 -9.358176074646739E-12
node -2.794070385036349E-15 -1.725584078605542E-15 3.59135631032996E-11 3.516952992362603E-9 -3.494266217434278E-9 -9.38258011734442E-11
peri 1.24257902605531E-13 -6.579970879150492E-13 2.435925178415571E-8 -3.494266217434278E-9 7.660596045751024E-9 9.19027729608348E-11
i -2.08093033462846E-15 6.612203645292526E-15 -9.358176074646739E-12 -9.38258011734442E-11 9.19027729608348E-11 3.666788784086819E-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 15.74   n/a MPO638138  

216268 (2006 WY77)          Discovered 2006-Nov-18 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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Alternate Designations
 2006 WY77 = 1994 UY6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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