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78341 (2002 PA90)
Classification: Main-belt Asteroid          SPK-ID: 2078341
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08965896915876637 4.7102e-08  
a 2.637896232761539 1.6515e-08 au
q 2.401385175784346 1.2193e-07 au
i 13.26720131760036 4.7533e-06 deg
node 273.5422060355569 2.3066e-05 deg
peri 314.5275284529511 3.8627e-05 deg
M 154.3711912203303 3.3228e-05 deg
tp 2458329.459483552466
(2018-Jul-29.95948355)
0.00014283 TDB
period 1564.894226775245
4.28
1.4696e-05
4.024e-08
d
yr
n .2300474970387275 2.1604e-09 deg/d
Q 2.874407289738731 1.7996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:25  

Additional Information
 Earth MOID = 1.40706 au 
 Jupiter MOID = 2.22677 au 
 T_jup = 3.353 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457379.5 (2015-Dec-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08922312914229821 4.7094e-08  
q 2.40345605625882 1.219e-07 au
tp 2456766.604636412656
(2014-Apr-19.10463641)
0.0001409 TDB
node 273.5806622118052 2.3091e-05 deg
peri 315.1701740808523 3.8774e-05 deg
i 13.25736937939616 4.7502e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      785  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:25  

Additional Information
 Jupiter MOID = 2.22677 au 
 T_jup = 3.353 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.217874954954989E-15 -5.698778574541894E-15 5.040136095281278E-14 -1.544911196252979E-15 -6.70237686128716E-14 2.467168076189989E-15
q -5.698778574541894E-15 1.486016814035471E-14 1.178970261129924E-13 6.315714215972955E-15 2.427504852629314E-13 -6.31085704634441E-15
tp 5.040136095281278E-14 1.178970261129924E-13 1.985263678560716E-8 5.212258211444345E-11 4.415600506042689E-9 -1.691625876719935E-11
node -1.544911196252979E-15 6.315714215972955E-15 5.212258211444345E-11 5.332156519559633E-10 -5.069221138590616E-10 1.776857162561637E-11
peri -6.70237686128716E-14 2.427504852629314E-13 4.415600506042689E-9 -5.069221138590616E-10 1.503394029849842E-9 -2.12274774388841E-11
i 2.467168076189989E-15 -6.31085704634441E-15 -1.691625876719935E-11 1.776857162561637E-11 -2.12274774388841E-11 2.256428672491821E-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 14.8   n/a MPO493422  

78341 (2002 PA90)          Discovered 2002-Aug-11 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 PA90 = 2001 ML13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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