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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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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 
[ show covariance matrix ]

[ 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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