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187769 (1998 RX29)
Classification: Main-belt Asteroid          SPK-ID: 2187769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858784705385119 4.8067e-08  
a 3.116287727964756 2.1472e-08 au
q 2.537036931332733 1.5226e-07 au
i 9.290685243124484 5.1744e-06 deg
node 157.681967003481 2.6015e-05 deg
peri 188.5272653266465 2.9225e-05 deg
M 20.96906771700458 1.0776e-05 deg
tp 2459083.460792497417
(2020-Aug-21.96079250)
6.0423e-05 TDB
period 2009.346112548528
5.50
2.0767e-05
5.686e-08
d
yr
n .1791627623293822 1.8517e-09 deg/d
Q 3.695538524596779 2.5463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      8619 days (23.60 yr)  
   first obs. used      1997-06-02  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:57:18  

Additional Information
 Earth MOID = 1.52843 au 
 Jupiter MOID = 1.72789 au 
 T_jup = 3.171 
[ 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 15.43   n/a E2021B55  

187769 (1998 RX29)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 1998 RX29 = 1997 LE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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