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216270 (2006 WQ99)
Classification: Main-belt Asteroid          SPK-ID: 2216270
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1671794427943073 4.286e-08  
a 2.417511584954608 1.3873e-08 au
q 2.013353345233114 9.9255e-08 au
i 2.642803499805855 4.2173e-06 deg
node 66.33159168300182 0.00011198 deg
peri 183.4752866229918 0.00011299 deg
M 78.870528947135 1.4951e-05 deg
tp 2458899.709908743703
(2020-Feb-20.20990874)
5.6883e-05 TDB
period 1372.939097756622
3.76
1.1818e-05
3.236e-08
d
yr
n .2622111939183893 2.2571e-09 deg/d
Q 2.821669824676102 1.6192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6560 days (17.96 yr)  
   first obs. used      2002-11-04  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:09  

Additional Information
 Earth MOID = .997743 au 
 Jupiter MOID = 2.20928 au 
 T_jup = 3.495 
[ 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 17.03   n/a E2021B55  

216270 (2006 WQ99)          Discovered 2006-Nov-19 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2006 WQ99 = 2002 VB91 = 2004 CQ118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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