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135616 (2002 JJ39)
Classification: Main-belt Asteroid          SPK-ID: 2135616
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1829048810886882 4.1675e-08  
a 2.386170561883251 1.1308e-08 au
q 1.949728319004667 1.0092e-07 au
i 3.278617321981939 4.9984e-06 deg
node 119.3181867783352 7.8518e-05 deg
peri 137.8015782191967 7.9882e-05 deg
M 51.37300265423291 1.5817e-05 deg
tp 2459204.375344602194
(2020-Dec-20.87534460)
5.8465e-05 TDB
period 1346.327299743909
3.69
9.5706e-06
2.62e-08
d
yr
n .2673941173654261 1.9008e-09 deg/d
Q 2.822612804761836 1.3377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      6994 days (19.15 yr)  
   first obs. used      2002-04-16  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59751  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:01:27  

Additional Information
 Earth MOID = .936237 au 
 Jupiter MOID = 2.23383 au 
 T_jup = 3.510 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457340.5 (2015-Nov-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1830270004424272 4.1648e-08  
q 1.948526671836639 1.0071e-07 au
tp 2457857.704424463787
(2017-Apr-14.20442446)
5.4204e-05 TDB
node 119.3476671587186 7.8495e-05 deg
peri 137.6572506720361 7.9859e-05 deg
i 3.279091739647896 5.0004e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      6994 days (19.15 yr)  
   first obs. used      2002-04-16  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59751  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:01:27  

Additional Information
 Jupiter MOID = 2.23383 au 
 T_jup = 3.510 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.734534217913478E-15 -4.177140998411747E-15 5.651613110654587E-14 -1.574617360645576E-14 9.902805439508765E-14 -1.091283162564782E-15
q -4.177140998411747E-15 1.014331670822806E-14 4.873352352294108E-14 3.602702549110481E-14 -1.996153314639707E-13 2.78952967042472E-15
tp 5.651613110654587E-14 4.873352352294108E-14 2.938088648811108E-9 -2.420049959939558E-11 8.05388984737199E-10 1.037348171992112E-12
node -1.574617360645576E-14 3.602702549110481E-14 -2.420049959939558E-11 6.161415956796687E-9 -6.157389691938062E-9 4.286396549946825E-11
peri 9.902805439508765E-14 -1.996153314639707E-13 8.05388984737199E-10 -6.157389691938062E-9 6.377493467458077E-9 -4.256819537527006E-11
i -1.091283162564782E-15 2.78952967042472E-15 1.037348171992112E-12 4.286396549946825E-11 -4.256819537527006E-11 2.500385911914983E-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 17.11   n/a E2021B55  

135616 (2002 JJ39)          Discovered 2002-May-09 by Yeung, W. K. Y. at Desert Eagle
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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