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80129 (1999 RD225)
Classification: Main-belt Asteroid          SPK-ID: 2080129
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526381408223069 5.2188e-08  
a 2.270842952865193 1.0552e-08 au
q 1.924225706440412 1.2072e-07 au
i 6.764303092397528 6.1881e-06 deg
node 323.629180377287 3.8453e-05 deg
peri 56.34337184813739 4.2604e-05 deg
M 2.707565911836571 1.9125e-05 deg
tp 2458991.099399121192
(2020-May-21.59939912)
6.6374e-05 TDB
period 1249.910963044786
3.42
8.7117e-06
2.385e-08
d
yr
n .2880205155757968 2.0075e-09 deg/d
Q 2.617460199289973 1.2162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      8892 days (24.34 yr)  
   first obs. used      1996-06-25  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:41  

Additional Information
 Earth MOID = .935204 au 
 Jupiter MOID = 2.87967 au 
 T_jup = 3.588 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456829.5 (2014-Jun-21.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533674879172795 5.2201e-08  
q 1.923247574052478 1.2088e-07 au
tp 2456491.068263492087
(2013-Jul-17.56826349)
6.0527e-05 TDB
node 323.7267668914988 3.8469e-05 deg
peri 56.33784070992505 4.2546e-05 deg
i 6.762690667281372 6.1868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      8892 days (24.34 yr)  
   first obs. used      1996-06-25  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:41  

Additional Information
 Jupiter MOID = 2.87967 au 
 T_jup = 3.588 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.724969149193224E-15 -6.293466994354529E-15 -1.278627349864058E-12 -2.292319123408969E-14 -3.926855769794051E-13 -1.263616404157045E-15
q -6.293466994354529E-15 1.461173953887693E-14 2.99058967223575E-12 5.132285629722375E-14 9.222409184673866E-13 3.005554804608002E-15
tp -1.278627349864058E-12 2.99058967223575E-12 3.663485702235208E-9 2.931292509249276E-12 1.115192036575806E-9 -4.27619347088805E-12
node -2.292319123408969E-14 5.132285629722375E-14 2.931292509249276E-12 1.479875663661185E-9 -1.46718141751538E-9 4.033509167346326E-11
peri -3.926855769794051E-13 9.222409184673866E-13 1.115192036575806E-9 -1.46718141751538E-9 1.810147548556941E-9 -4.131358339870392E-11
i -1.263616404157045E-15 3.005554804608002E-15 -4.27619347088805E-12 4.033509167346326E-11 -4.131358339870392E-11 3.827645310429667E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO436340  

80129 (1999 RD225)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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