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118458 (1999 WY11)
Classification: Main-belt Asteroid          SPK-ID: 2118458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1043531932696945 4.3021e-08  
a 2.149725942075627 9.0938e-09 au
q 1.925395175365333 9.621e-08 au
i 1.723778127604329 4.6613e-06 deg
node 100.3558987619159 0.00011647 deg
peri 172.172516480495 0.000119 deg
M 39.00951357520017 2.1166e-05 deg
tp 2459075.749841194996
(2020-Aug-14.24984120)
6.7956e-05 TDB
period 1151.259091791196
3.15
7.3051e-06
2e-08
d
yr
n .3127011135607112 1.9842e-09 deg/d
Q 2.374056708785921 1.0043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1999-11-28  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:28  

Additional Information
 Earth MOID = .907298 au 
 Jupiter MOID = 2.69313 au 
 T_jup = 3.698 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.97   n/a E2021B55  

118458 (1999 WY11)          Discovered 1999-Nov-28 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1999 WY11 = 2001 GG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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