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146710 (2001 WA13)
Classification: Main-belt Asteroid          SPK-ID: 2146710
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07921840623498422 4.4857e-08  
a 2.758298329693361 1.5676e-08 au
q 2.539790332094433 1.2576e-07 au
i 6.420643076269569 3.9259e-06 deg
node 107.4143973988625 5.0004e-05 deg
peri 300.7113256480216 6.0344e-05 deg
M 74.50391310833849 3.2152e-05 deg
tp 2458854.212460795356
(2020-Jan-05.71246080)
0.00014967 TDB
period 1673.247872664014
4.58
1.4264e-05
3.905e-08
d
yr
n .2151504304181999 1.8341e-09 deg/d
Q 2.976806327292288 1.6918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      7008 days (19.19 yr)  
   first obs. used      2001-11-17  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:43:05  

Additional Information
 Earth MOID = 1.5567 au 
 Jupiter MOID = 2.30879 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457341.5 (2015-Nov-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07734610599620079 4.5206e-08  
q 2.544240504313318 1.2636e-07 au
tp 2457173.207030055311
(2015-May-30.70703006)
0.00015553 TDB
node 107.5680429829773 5.0035e-05 deg
peri 298.9818154239659 6.0826e-05 deg
i 6.418915072215206 3.9264e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      7008 days (19.19 yr)  
   first obs. used      2001-11-17  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53245  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:43:05  

Additional Information
 Jupiter MOID = 2.30879 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.043615256346042E-15 -5.675427991186489E-15 -2.983318431872529E-12 -1.095647575719703E-14 -6.665355711727048E-13 -3.543681442239809E-15
q -5.675427991186489E-15 1.596663971080256E-14 7.838076600686867E-12 3.107988152347926E-14 1.754425800920849E-12 1.019731991083934E-14
tp -2.983318431872529E-12 7.838076600686867E-12 2.418964736854015E-8 1.310520202297279E-11 5.427431254224422E-9 8.93917077020365E-12
node -1.095647575719703E-14 3.107988152347926E-14 1.310520202297279E-11 2.503507319848815E-9 -2.484580622670867E-9 3.319603533320342E-11
peri -6.665355711727048E-13 1.754425800920849E-12 5.427431254224422E-9 -2.484580622670867E-9 3.699771427743019E-9 -3.096687840717744E-11
i -3.543681442239809E-15 1.019731991083934E-14 8.93917077020365E-12 3.319603533320342E-11 -3.096687840717744E-11 1.541661483523434E-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 15.7   n/a MPO502888  

146710 (2001 WA13)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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