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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986279901417934 3.1561e-08  
a 2.478430470786678 1.1628e-08 au
q 1.986144807668142 7.6974e-08 au
i 3.714897495266529 5.7137e-06 deg
node 64.67800222110205 5.5322e-05 deg
peri 266.943341753592 5.8445e-05 deg
M 172.8621989486321 2.1618e-05 deg
tp 2458516.177106653204
(2019-Feb-01.67710665)
8.24e-05 TDB
period 1425.159711627028
3.90
1.0029e-05
2.746e-08
d
yr
n .2526032675937824 1.7777e-09 deg/d
Q 2.970716133905214 1.3937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      8391 days (22.97 yr)  
   first obs. used      1998-04-18  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54821  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:14:47  

Additional Information
 Earth MOID = .977918 au 
 Jupiter MOID = 2.39805 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 16.48   n/a MPCxxxxx  

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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