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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471900005458996 4.9152e-08  
a 3.115872605609296 2.3866e-08 au
q 2.65724731508871 1.5758e-07 au
i 7.296452328826953 4.4027e-06 deg
node 89.84312078464154 4.1836e-05 deg
peri 37.26552114723567 4.4737e-05 deg
M 208.6741328109868 1.793e-05 deg
tp 2459844.959132742527
(2022-Sep-22.45913274)
0.0001057 TDB
period 2008.944626813819
5.50
2.3081e-05
6.319e-08
d
yr
n .1791985678425388 2.0588e-09 deg/d
Q 3.574497896129882 2.7378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:28  

Additional Information
 Earth MOID = 1.67714 au 
 Jupiter MOID = 1.5287 au 
 T_jup = 3.188 
[ 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 14.8   n/a MPO449691  

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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