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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041496603232739 4.4207e-08  
a 2.149386803939626 9.1614e-09 au
q 1.925528898405987 9.8231e-08 au
i 1.723820055194089 4.8553e-06 deg
node 100.355818318824 0.0001243 deg
peri 172.2866478348322 0.0001267 deg
M 336.3726642703435 2.1755e-05 deg
tp 2459076.040968024719
(2020-Aug-14.54096802)
6.9414e-05 TDB
period 1150.986670696214
3.15
7.3588e-06
2.015e-08
d
yr
n .3127751251734667 1.9997e-09 deg/d
Q 2.373244709473266 1.0116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1999-11-28  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54435  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:51:55  

Additional Information
 Earth MOID = .909256 au 
 Jupiter MOID = 2.69519 au 
 T_jup = 3.699 
[ 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 16.9   n/a MPO469226  

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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