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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2357280630417217 3.6392e-07  
a 2.787341922470248 2.4851e-08 au
q 2.130287210051348 1.0241e-06 au
i 8.804465606024939 1.7032e-05 deg
node 320.612823309027 4.4408e-05 deg
peri 31.94678457147573 9.8463e-05 deg
M 281.4599927114041 6.439e-05 deg
tp 2459371.327756336689
(2021-Jun-05.82775634)
0.00030709 TDB
period 1699.745096669888
4.65
2.2732e-05
6.224e-08
d
yr
n .2117964633081196 2.8325e-09 deg/d
Q 3.444396634889149 3.0709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5641 days (15.44 yr)  
   first obs. used      2002-08-13  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60951  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:56:56  

Additional Information
 Earth MOID = 1.12996 au 
 Jupiter MOID = 2.02005 au 
 T_jup = 3.273 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457345.5 (2015-Nov-19.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2354586927916636 3.6051e-07  
q 2.130642087251625 1.0098e-06 au
tp 2457673.711497261388
(2016-Oct-12.21149726)
0.00030135 TDB
node 320.6331166746889 4.4425e-05 deg
peri 32.25833604070599 9.9295e-05 deg
i 8.803090791178532 1.7028e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5641 days (15.44 yr)  
   first obs. used      2002-08-13  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60951  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:56:56  

Additional Information
 Jupiter MOID = 2.02005 au 
 T_jup = 3.273 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.29965284733489E-13 -3.640068273278102E-13 -1.049732814569094E-10 -5.52499700637635E-14 -3.117646202126039E-11 2.754489964604042E-13
q -3.640068273278102E-13 1.019781582963362E-12 2.94453432948518E-10 1.498709293009386E-13 8.740873466298674E-11 -7.660327053035762E-13
tp -1.049732814569094E-10 2.94453432948518E-10 9.081330376774573E-8 2.824437715829373E-11 2.676477189106213E-8 -2.315359012561363E-10
node -5.52499700637635E-14 1.498709293009386E-13 2.824437715829373E-11 1.97358989760724E-9 -1.938841204254442E-9 -2.309298392033393E-10
peri -3.117646202126039E-11 8.740873466298674E-11 2.676477189106213E-8 -1.938841204254442E-9 9.859404458562782E-9 1.596527240703642E-10
i 2.754489964604042E-13 -7.660327053035762E-13 -2.315359012561363E-10 -2.309298392033393E-10 1.596527240703642E-10 2.899653414475179E-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 16.9   n/a MPO434687  

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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