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118457 (1999 WP6)
Classification: Main-belt Asteroid          SPK-ID: 2118457
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479347521816443 4.8843e-08  
a 3.11392291732646 2.3102e-08 au
q 2.653265502239027 1.5688e-07 au
i 7.296210180730488 4.3199e-06 deg
node 89.83002062696143 4.1544e-05 deg
peri 37.40845095414824 4.4384e-05 deg
M 279.5904362527407 1.812e-05 deg
tp 2459844.796572712979
(2022-Sep-22.29657271)
0.00010404 TDB
period 2007.05934289033
5.50
2.2336e-05
6.115e-08
d
yr
n .1793668937967576 1.9961e-09 deg/d
Q 3.574580332413893 2.652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      7929 days (21.71 yr)  
   first obs. used      1999-11-04  
   last obs. used      2021-07-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:10:33  

Additional Information
 Earth MOID = 1.67369 au 
 Jupiter MOID = 1.52788 au 
 T_jup = 3.189 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457225.5 (2015-Jul-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1422097776176861 4.8543e-08  
q 2.677304785102565 1.5517e-07 au
tp 2457829.018598017524
(2017-Mar-16.51859802)
9.7451e-05 TDB
node 89.940097559755 4.1638e-05 deg
peri 36.64011056439138 4.4814e-05 deg
i 7.283041867805773 4.3047e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      7929 days (21.71 yr)  
   first obs. used      1999-11-04  
   last obs. used      2021-07-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53415  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:10:33  

Additional Information
 Jupiter MOID = 1.52788 au 
 T_jup = 3.189 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.356423800308697E-15 -7.470702732055178E-15 6.887838819986431E-13 3.395481246185623E-15 2.037438247183735E-13 1.031743271240109E-15
q -7.470702732055178E-15 2.407829568987733E-14 -1.312544927271525E-12 -1.878107534745202E-14 -5.164984379557311E-13 -1.355523533015949E-15
tp 6.887838819986431E-13 -1.312544927271525E-12 9.496751773857748E-9 2.347887235234579E-12 1.648355553153075E-9 5.187100389820619E-12
node 3.395481246185623E-15 -1.878107534745202E-14 2.347887235234579E-12 1.733729968305377E-9 -1.719159022888753E-9 3.190304544828681E-11
peri 2.037438247183735E-13 -5.164984379557311E-13 1.648355553153075E-9 -1.719159022888753E-9 2.008305874466119E-9 -3.080656280067722E-11
i 1.031743271240109E-15 -1.355523533015949E-15 5.187100389820619E-12 3.190304544828681E-11 -3.080656280067722E-11 1.853014511592572E-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 14.77   n/a E2021B55  

118457 (1999 WP6)          Discovered 1999-Nov-28 by Korlevic, K. at Visnjan
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Alternate Designations
 1999 WP6 = 2001 FD94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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