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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526381486227229 5.6116e-08  
a 2.270842954930585 1.1295e-08 au
q 1.924225690477027 1.307e-07 au
i 6.764305320141401 6.4695e-06 deg
node 323.6291580567703 4.0054e-05 deg
peri 56.34337772388601 4.4353e-05 deg
M 2.707577391975471 2.0021e-05 deg
tp 2458991.099359249613
(2020-May-21.59935925)
6.9483e-05 TDB
period 1249.910964750027
3.42
9.3254e-06
2.553e-08
d
yr
n .2880205151828533 2.1489e-09 deg/d
Q 2.617460219384143 1.3019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      7916 days (21.67 yr)  
   first obs. used      1996-06-25  
   last obs. used      2018-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56533  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-05 22:22:15  

Additional Information
 Earth MOID = .935204 au 
 Jupiter MOID = 2.87967 au 
 T_jup = 3.588 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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