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JPL Small-Body Database Browser
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71989 (2000 WF167)
Classification: Main-belt Asteroid          SPK-ID: 2071989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06388340408180444 4.3563e-08  
a 2.207037989136578 1.0719e-08 au
q 2.066044889452673 9.931e-08 au
i 6.11254329181773 3.6249e-06 deg
node 86.04592487857019 5.0644e-05 deg
peri 310.6507564710078 6.3898e-05 deg
M 239.491866592281 4.0025e-05 deg
tp 2459001.391638906785
(2020-May-31.89163891)
0.0001341 TDB
period 1197.603729518878
3.28
8.7245e-06
2.389e-08
d
yr
n .3006002662872679 2.1899e-09 deg/d
Q 2.348031088820483 1.1404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      1999-05-18  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:33:24  

Additional Information
 Earth MOID = 1.07912 au 
 Jupiter MOID = 2.88015 au 
 T_jup = 3.650 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457113.5 (2015-Apr-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06460505200532884 4.362e-08  
q 2.063750750317663 9.9522e-08 au
tp 2456607.115667311721
(2013-Nov-10.61566731)
0.00012755 TDB
node 86.06419141506898 5.0676e-05 deg
peri 310.6821219566496 6.3636e-05 deg
i 6.11158277096371 3.6237e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      1999-05-18  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61125  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:33:24  

Additional Information
 Jupiter MOID = 2.88015 au 
 T_jup = 3.650 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.902698051199743E-15 -4.320946454649276E-15 -2.653574937745684E-12 1.737823756723891E-15 -7.981686680870676E-13 -1.153943086795641E-15
q -4.320946454649276E-15 9.904553537292882E-15 6.133331101541031E-12 -3.786672098693699E-15 1.85263394177969E-12 2.851777093174627E-15
tp -2.653574937745684E-12 6.133331101541031E-12 1.626991891400504E-8 -1.943850665436948E-11 4.941153379475414E-9 3.43826377394853E-12
node 1.737823756723891E-15 -3.786672098693699E-15 -1.943850665436948E-11 2.568094085292456E-9 -2.559261469729895E-9 1.898682862554241E-11
peri -7.981686680870676E-13 1.85263394177969E-12 4.941153379475414E-9 -2.559261469729895E-9 4.049548551442613E-9 -1.779439871362968E-11
i -1.153943086795641E-15 2.851777093174627E-15 3.43826377394853E-12 1.898682862554241E-11 -1.779439871362968E-11 1.313112564212042E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO436286  

71989 (2000 WF167)          Discovered 2000-Nov-24 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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