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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529490892848574 5.6221e-08  
a 2.271973845181295 1.1377e-08 au
q 1.9244775146818 1.3108e-07 au
i 6.761267354494811 6.4671e-06 deg
node 323.656579350631 4.0079e-05 deg
peri 56.1364908134322 4.4327e-05 deg
M 247.7366831605994 1.954e-05 deg
tp 2458990.566619668879
(2020-May-21.06661967)
6.9189e-05 TDB
period 1250.844773112141
3.42
9.3955e-06
2.572e-08
d
yr
n .2878054957245484 2.1618e-09 deg/d
Q 2.619470175680789 1.3117e-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 = .93456 au 
 Jupiter MOID = 2.87454 au 
 T_jup = 3.587 
[ 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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