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129829 (1999 RP)
Classification: Main-belt Asteroid          SPK-ID: 2129829
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985448735771249 3.1581e-08  
a 2.478456775420919 1.1617e-08 au
q 1.986371888278604 7.7009e-08 au
i 3.715107648673798 6.8198e-06 deg
node 64.68496908032097 5.5652e-05 deg
peri 266.9091330283409 5.9576e-05 deg
M 122.3855216184396 2.3235e-05 deg
tp 2458515.995301451794
(2019-Feb-01.49530145)
8.9885e-05 TDB
period 1425.18240042435
3.90
1.002e-05
2.743e-08
d
yr
n .2525992461686375 1.776e-09 deg/d
Q 2.970541662563233 1.3924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7955 days (21.78 yr)  
   first obs. used      1998-04-18  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:06:07  

Additional Information
 Earth MOID = .980045 au 
 Jupiter MOID = 2.39799 au 
 T_jup = 3.449 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO502832  

129829 (1999 RP)          Discovered 1999-Sep-03 by Sarounova, L. at Ondrejov
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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