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71957 (2000 WO109)
Classification: Main-belt Asteroid          SPK-ID: 2071957
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06907452840900045 3.9121e-08  
a 2.346413084518212 1.144e-08 au
q 2.184335707252408 9.1357e-08 au
i 7.315531279505853 5.1549e-06 deg
node 45.40397094962914 3.3976e-05 deg
peri 25.22173525272519 5.2933e-05 deg
M 150.7493188798664 4.1307e-05 deg
tp 2458450.759171856160
(2018-Nov-28.25917186)
0.00014935 TDB
period 1312.819849551003
3.59
9.6014e-06
2.629e-08
d
yr
n .2742188885421891 2.0055e-09 deg/d
Q 2.508490461784015 1.2231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:47:46  

Additional Information
 Earth MOID = 1.20024 au 
 Jupiter MOID = 2.67241 au 
 T_jup = 3.547 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457067.5 (2015-Feb-14.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06822044982654572 3.887e-08  
q 2.186505509370582 9.0607e-08 au
tp 2457138.990786973504
(2015-Apr-26.49078697)
0.00014907 TDB
node 45.44526938061956 3.3996e-05 deg
peri 25.61684857200335 5.3418e-05 deg
i 7.313255133533091 5.1525e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      8070 days (22.09 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59601  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:47:46  

Additional Information
 Jupiter MOID = 2.67241 au 
 T_jup = 3.547 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.510893899425578E-15 -3.497653901578165E-15 -2.065823241374391E-12 3.283642856818521E-15 -6.210280754398498E-13 4.82957331258778E-16
q -3.497653901578165E-15 8.209615566324893E-15 5.219807374053507E-12 -8.089658273291901E-15 1.55496161231953E-12 -1.191635619401426E-15
tp -2.065823241374391E-12 5.219807374053507E-12 2.222085397962458E-8 -5.745264406706672E-12 6.156638981565802E-9 -1.237406167267249E-11
node 3.283642856818521E-15 -8.089658273291901E-15 -5.745264406706672E-12 1.155757235012985E-9 -1.14781248309945E-9 -7.770564505462448E-11
peri -6.210280754398498E-13 1.55496161231953E-12 6.156638981565802E-9 -1.14781248309945E-9 2.853502627693794E-9 7.368516897253262E-11
i 4.82957331258778E-16 -1.191635619401426E-15 -1.237406167267249E-11 -7.770564505462448E-11 7.368516897253262E-11 2.65480044707142E-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 15.8   n/a MPO459324  

71957 (2000 WO109)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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