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266621 (2008 PY16)
Classification: Main-belt Asteroid          SPK-ID: 2266621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1854223877194011 9.4781e-08  
a 2.61103234794468 3.5321e-08 au
q 2.126888495576183 2.5773e-07 au
i 12.81285102875945 9.1973e-06 deg
node 338.2741486784153 3.9433e-05 deg
peri 277.9114243795319 4.7303e-05 deg
M 329.6250437172075 2.5115e-05 deg
tp 2459130.525929221052
(2020-Oct-08.02592922)
0.00010749 TDB
period 1541.050267983306
4.22
3.127e-05
8.561e-08
d
yr
n .233606915672591 4.7402e-09 deg/d
Q 3.095176200313176 4.1871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5737 days (15.71 yr)  
   first obs. used      2004-09-07  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:24:26  

Additional Information
 Earth MOID = 1.15772 au 
 Jupiter MOID = 2.16627 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457493.5 (2016-Apr-15.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850354863764327 9.4734e-08  
q 2.128280306597472 2.5754e-07 au
tp 2457587.636792497579
(2016-Jul-18.13679250)
0.00011186 TDB
node 338.3027223523831 3.9431e-05 deg
peri 277.6126345076517 4.7329e-05 deg
i 12.81214209286469 9.1969e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      5737 days (15.71 yr)  
   first obs. used      2004-09-07  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:24:26  

Additional Information
 Jupiter MOID = 2.16627 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.974469859886847E-15 -2.425979535130567E-14 -1.627943693368795E-12 9.359665786844973E-14 -5.423546457688781E-14 -3.456727771163139E-14
q -2.425979535130567E-14 6.632752873885838E-14 3.392071944603266E-12 -2.602503013834133E-13 -8.372925631663152E-14 9.413814296748855E-14
tp -1.627943693368795E-12 3.392071944603266E-12 1.25133985068966E-8 -5.536471701370497E-11 2.982049835471513E-9 4.698575416132982E-11
node 9.359665786844973E-14 -2.602503013834133E-13 -5.536471701370497E-11 1.554830664612276E-9 -1.524266614778967E-9 3.433105249705459E-11
peri -5.423546457688781E-14 -8.372925631663152E-14 2.982049835471513E-9 -1.524266614778967E-9 2.24001293466004E-9 -2.471670609926162E-11
i -3.456727771163139E-14 9.413814296748855E-14 4.698575416132982E-11 3.433105249705459E-11 -2.471670609926162E-11 8.458225465916465E-11

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 16.7   n/a MPO423025  

266621 (2008 PY16)          Discovered 2008-Aug-07 by Teamo, N. at Tiki
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 PY16 = 2007 GN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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