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192218 (2007 PX45)
Classification: Jupiter Trojan          SPK-ID: 2192218
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06293329975493571 4.9165e-08  
a 5.277972567934595 1.3063e-07 au
q 4.94581233821844 2.2029e-07 au
i 5.18337073531537 7.4032e-06 deg
node 179.2855098649965 4.9285e-05 deg
peri 69.41899450669339 7.8058e-05 deg
M 118.2869336725755 5.9305e-05 deg
tp 2457745.264123875601
(2016-Dec-22.76412388)
0.00072966 TDB
period 4428.933096320889
12.13
0.00016443
4.502e-07
d
yr
n .08128368439321237 3.0177e-09 deg/d
Q 5.610132797650751 1.3885e-07 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      6904 days (18.90 yr)  
   first obs. used      2002-02-11  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:15:12  

Additional Information
 Earth MOID = 3.93503 au 
 Jupiter MOID = .310483 au 
 T_jup = 2.988 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457748.5 (2016-Dec-26.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06416077864966974 4.9346e-08  
q 4.937658169813299 2.2209e-07 au
tp 2457738.004255414139
(2016-Dec-15.50425541)
0.00071476 TDB
node 179.2990195205057 4.9277e-05 deg
peri 68.5919086964072 7.7135e-05 deg
i 5.184391754075858 7.4045e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      6904 days (18.90 yr)  
   first obs. used      2002-02-11  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:15:12  

Additional Information
 Jupiter MOID = .310483 au 
 T_jup = 2.988 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.435033070406841E-15 -9.670700621784504E-15 -8.612765119555181E-12 5.058972651717396E-15 -7.934767531717886E-13 2.827351093781996E-16
q -9.670700621784504E-15 4.932376311138356E-14 4.391300664260273E-11 -1.156380737486147E-14 3.941619014645089E-12 1.381659222373204E-15
tp -8.612765119555181E-12 4.391300664260273E-11 5.108766286634907E-7 -4.892068343613737E-11 4.243589772349415E-8 -1.577597132642459E-11
node 5.058972651717396E-15 -1.156380737486147E-14 -4.892068343613737E-11 2.428203575736131E-9 -2.422189492499113E-9 -6.622818686232896E-11
peri -7.934767531717886E-13 3.941619014645089E-12 4.243589772349415E-8 -2.422189492499113E-9 5.949869845050161E-9 6.464851829804096E-11
i 2.827351093781996E-16 1.381659222373204E-15 -1.577597132642459E-11 -6.622818686232896E-11 6.464851829804096E-11 5.482681737304349E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.88   n/a MPCxxxxx  

192218 (2007 PX45)          Discovered 2007-Aug-10 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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