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437410 (2013 WE91)
Classification: Main-belt Asteroid          SPK-ID: 2437410
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151762069254749 6.7304e-08  
a 2.385510875676914 2.8131e-08 au
q 2.110756781436979 1.6332e-07 au
i 8.834350785992132 8.8131e-06 deg
node 59.38214897493096 4.5049e-05 deg
peri 56.53767954225224 5.7587e-05 deg
M 237.193280180278 3.6266e-05 deg
tp 2459459.581887838623
(2021-Sep-02.08188784)
0.00013689 TDB
period 1345.76902521716
3.68
2.3805e-05
6.517e-08
d
yr
n .2675050422875563 4.7318e-09 deg/d
Q 2.660264969916849 3.1371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6549 days (17.93 yr)  
   first obs. used      2000-05-04  
   last obs. used      2018-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:44:19  

Additional Information
 Earth MOID = 1.14155 au 
 Jupiter MOID = 2.46193 au 
 T_jup = 3.510 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457203.5 (2015-Jun-30.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114600944823905 6.7171e-08  
q 2.112370680287241 1.6291e-07 au
tp 2456764.323190865829
(2014-Apr-16.82319087)
0.00013703 TDB
node 59.42677013037174 4.499e-05 deg
peri 55.84995151866647 5.7748e-05 deg
i 8.840322484593798 8.8176e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6549 days (17.93 yr)  
   first obs. used      2000-05-04  
   last obs. used      2018-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:44:19  

Additional Information
 Jupiter MOID = 2.46193 au 
 T_jup = 3.510 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.511991300158899E-15 -1.081576637115399E-14 -1.254911283880861E-12 1.360955193737271E-14 -4.497155824528445E-13 -2.889282553808934E-15
q -1.081576637115399E-14 2.65396256641221E-14 2.49048581419443E-12 -3.31685617012722E-14 9.851378739800889E-13 8.56836471779688E-15
tp -1.254911283880861E-12 2.49048581419443E-12 1.877834194606049E-8 1.970325231214272E-11 4.986348663277313E-9 1.87855712937135E-11
node 1.360955193737271E-14 -3.31685617012722E-14 1.970325231214272E-11 2.024081492589163E-9 -1.993834881765721E-9 -1.716772807715171E-12
peri -4.497155824528445E-13 9.851378739800889E-13 4.986348663277313E-9 -1.993834881765721E-9 3.334884336227976E-9 7.121992596577848E-12
i -2.889282553808934E-15 8.56836471779688E-15 1.87855712937135E-11 -1.716772807715171E-12 7.121992596577848E-12 7.775063543363064E-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 17.4   n/a MPO437696  

437410 (2013 WE91)          Discovered 2007-Feb-09 by CSS at Catalina
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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