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469465 (2002 RT39)
Classification: Main-belt Asteroid          SPK-ID: 2469465
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2356797847028699 1.0401e-07  
a 2.78879137027872 2.2501e-08 au
q 2.13152962055021 2.9574e-07 au
i 8.805755977028204 1.3072e-05 deg
node 320.6022837456837 4.4115e-05 deg
peri 31.81226854414696 5.1712e-05 deg
M 323.9232601449728 2.3672e-05 deg
tp 2459370.969720734729
(2021-Jun-05.46972073)
0.00011315 TDB
period 1701.07109764107
4.66
2.0588e-05
5.637e-08
d
yr
n .211631365966551 2.5613e-09 deg/d
Q 3.446053120007231 2.7805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6516 days (17.84 yr)  
   first obs. used      2002-08-13  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:13  

Additional Information
 Earth MOID = 1.12939 au 
 Jupiter MOID = 2.01843 au 
 T_jup = 3.272 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457514.5 (2016-May-06.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2355148916452598 1.0301e-07  
q 2.130840512565439 2.9159e-07 au
tp 2457673.619148644925
(2016-Oct-12.11914865)
0.00010358 TDB
node 320.6341760355609 4.4155e-05 deg
peri 32.22491409114109 5.1892e-05 deg
i 8.802873732520265 1.3068e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6516 days (17.84 yr)  
   first obs. used      2002-08-13  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:19:13  

Additional Information
 Jupiter MOID = 2.01843 au 
 T_jup = 3.272 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.061148082602793E-14 -2.999019538876697E-14 -7.209619940355887E-12 1.122614414474774E-14 -1.973307876577487E-12 6.975935958824229E-15
q -2.999019538876697E-14 8.50223129355436E-14 2.085593790212536E-11 -3.585952535658921E-14 5.681578763180748E-12 -1.498801326176939E-14
tp -7.209619940355887E-12 2.085593790212536E-11 1.072915435355391E-8 -3.182880248865515E-11 2.848434734912893E-9 9.070836641999103E-13
node 1.122614414474774E-14 -3.585952535658921E-14 -3.182880248865515E-11 1.949706947025991E-9 -1.932740112651082E-9 -1.776834937002846E-10
peri -1.973307876577487E-12 5.681578763180748E-12 2.848434734912893E-9 -1.932740112651082E-9 2.692784151058091E-9 1.755304935854685E-10
i 6.975935958824229E-15 -1.498801326176939E-14 9.070836641999103E-13 -1.776834937002846E-10 1.755304935854685E-10 1.707653597631667E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.03   n/a E2021B25  

469465 (2002 RT39)          Discovered 2002-Sep-05 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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