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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477153197202952 4.9147e-08  
a 3.114401729699167 2.3583e-08 au
q 2.654356882459215 1.5746e-07 au
i 7.296106885262314 4.3625e-06 deg
node 89.83465068035126 4.1847e-05 deg
peri 37.35551575988444 4.4704e-05 deg
M 244.4667283525376 1.8085e-05 deg
tp 2459844.765603795676
(2022-Sep-22.26560380)
0.00010526 TDB
period 2007.522283919828
5.50
2.2802e-05
6.243e-08
d
yr
n .1793255312200444 2.0369e-09 deg/d
Q 3.57444657693912 2.7067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:22  

Additional Information
 Earth MOID = 1.67418 au 
 Jupiter MOID = 1.5282 au 
 T_jup = 3.189 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457166.5 (2015-May-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1422225874187082 4.8867e-08  
q 2.677331173212025 1.5582e-07 au
tp 2457828.945608014901
(2017-Mar-16.44560801)
9.8156e-05 TDB
node 89.94224914465862 4.1945e-05 deg
peri 36.62425028606761 4.5127e-05 deg
i 7.283045332407662 4.3468e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:22  

Additional Information
 Jupiter MOID = 1.5282 au 
 T_jup = 3.189 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.388009445670193E-15 -7.550331989695828E-15 7.553310970538433E-13 3.145033412064009E-15 2.131294454308909E-13 1.150279988218011E-15
q -7.550331989695828E-15 2.427952063947895E-14 -1.479708734926215E-12 -1.811791621014698E-14 -5.400958493122043E-13 -1.659074985023914E-15
tp 7.553310970538433E-13 -1.479708734926215E-12 9.634599553035371E-9 1.36979851557585E-12 1.668161939329842E-9 5.384872856679918E-12
node 3.145033412064009E-15 -1.811791621014698E-14 1.36979851557585E-12 1.759387978287532E-9 -1.744756844146457E-9 3.496807743713329E-11
peri 2.131294454308909E-13 -5.400958493122043E-13 1.668161939329842E-9 -1.744756844146457E-9 2.03640943298849E-9 -3.382063190805889E-11
i 1.150279988218011E-15 -1.659074985023914E-15 5.384872856679918E-12 3.496807743713329E-11 -3.382063190805889E-11 1.889466242532887E-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

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