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226726 (2004 PE68)
Classification: Main-belt Asteroid          SPK-ID: 2226726
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1367116714771676 5.543e-08  
a 2.759675576546855 2.1198e-08 au
q 2.382395715742418 1.479e-07 au
i 5.333239349675297 5.3807e-06 deg
node 272.7710704522383 5.8661e-05 deg
peri 88.24353482376966 6.1469e-05 deg
M 136.0066644954113 1.9438e-05 deg
tp 2458367.879645746570
(2018-Sep-06.37964575)
8.9256e-05 TDB
period 1674.501234010621
4.58
1.9293e-05
5.282e-08
d
yr
n .214989390684269 2.4771e-09 deg/d
Q 3.136955437351292 2.4096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      7091 days (19.41 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:12  

Additional Information
 Earth MOID = 1.38673 au 
 Jupiter MOID = 2.35096 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457619.5 (2016-Aug-19.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354342457622432 5.5444e-08  
q 2.387858251020085 1.4738e-07 au
tp 2458366.771811820495
(2018-Sep-05.27181182)
9.0227e-05 TDB
node 272.854829310991 5.8718e-05 deg
peri 87.78361931674722 6.1568e-05 deg
i 5.328131149454074 5.3783e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      7091 days (19.41 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:12  

Additional Information
 Jupiter MOID = 2.35096 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.074041264837322E-15 -8.114698094368191E-15 -8.003055181378015E-13 -1.311409603147366E-14 -2.79112366744301E-13 -8.202144195063161E-16
q -8.114698094368191E-15 2.17212101062911E-14 2.390507664321415E-12 3.364432710929732E-14 7.622774503322861E-13 2.226584801897458E-15
tp -8.003055181378015E-13 2.390507664321415E-12 8.140881332270099E-9 4.262820117456476E-11 1.691564266412658E-9 4.390616477753444E-13
node -1.311409603147366E-14 3.364432710929732E-14 4.262820117456476E-11 3.447817768176355E-9 -3.423129735374993E-9 8.178281142330088E-11
peri -2.79112366744301E-13 7.622774503322861E-13 1.691564266412658E-9 -3.423129735374993E-9 3.790620918651104E-9 -8.127691188290672E-11
i -8.202144195063161E-16 2.226584801897458E-15 4.390616477753444E-13 8.178281142330088E-11 -8.127691188290672E-11 2.892647258972519E-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 16.0   n/a MPO454628  

226726 (2004 PE68)          Discovered 2004-Aug-06 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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