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544512 (2014 WZ40)
Classification: Main-belt Asteroid          SPK-ID: 2544512
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007034159678756688 5.1741e-08  
a 2.641531436404361 2.5963e-08 au
q 2.622950482484237 1.3481e-07 au
i 8.312738636992572 5.3248e-06 deg
node 259.8658879395737 3.672e-05 deg
peri 141.0365515847375 0.00041062 deg
M 203.5813744107581 0.00040999 deg
tp 2460077.846558944671
(2023-May-13.34655894)
0.0017881 TDB
period 1568.130139847947
4.29
2.312e-05
6.33e-08
d
yr
n .2295727828016285 3.3847e-09 deg/d
Q 2.660112390324485 2.6146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5768 days (15.79 yr)  
   first obs. used      2005-08-30  
   last obs. used      2021-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56681  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:04:53  

Additional Information
 Earth MOID = 1.63573 au 
 Jupiter MOID = 2.38752 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457895.5 (2017-May-22.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .006250946050760554 5.1266e-08  
q 2.625450666432239 1.3282e-07 au
tp 2458537.461240547701
(2019-Feb-22.96124055)
0.0020237 TDB
node 259.8809309940708 3.672e-05 deg
peri 147.4971201745363 0.00046578 deg
i 8.312252833684758 5.3246e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5768 days (15.79 yr)  
   first obs. used      2005-08-30  
   last obs. used      2021-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56681  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:04:53  

Additional Information
 Jupiter MOID = 2.38752 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.628238284611208E-15 -6.684487593411631E-15 -7.301990684315874E-12 -5.950819081871142E-15 -1.796900703502875E-12 8.36480303293269E-16
q -6.684487593411631E-15 1.764175748475017E-14 2.85276893569645E-11 1.578879766926995E-14 6.797902127538738E-12 -1.418313814387766E-15
tp -7.301990684315874E-12 2.85276893569645E-11 4.09517930809512E-6 2.808794364968584E-10 9.396598200891822E-7 -1.800917817031778E-10
node -5.950819081871142E-15 1.578879766926995E-14 2.808794364968584E-10 1.34836479317427E-9 -1.269314642598743E-9 1.722148164653821E-11
peri -1.796900703502875E-12 6.797902127538738E-12 9.396598200891822E-7 -1.269314642598743E-9 2.169548911397488E-7 -5.846782460692739E-11
i 8.36480303293269E-16 -1.418313814387766E-15 -1.800917817031778E-10 1.722148164653821E-11 -5.846782460692739E-11 2.8351606082347E-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 16.68   .42674 MPCxxxxx autocmod 2.8

544512 (2014 WZ40)          Discovered 2013-Jul-02 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2020-02-24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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