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129671 (1998 RA23)
Classification: Main-belt Asteroid          SPK-ID: 2129671
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2481623849948065 4.8164e-08  
a 2.570902713607616 1.1035e-08 au
q 1.93290136460913 1.2183e-07 au
i 3.873972339389755 5.0924e-06 deg
node 101.4468726035219 5.9296e-05 deg
peri 284.928441552738 6.026e-05 deg
M 68.57954401152124 9.6998e-06 deg
tp 2458713.673691669660
(2019-Aug-18.17369167)
4.0626e-05 TDB
period 1505.659923629345
4.12
9.6941e-06
2.654e-08
d
yr
n .2390978164127738 1.5394e-09 deg/d
Q 3.208904062606103 1.3774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      7838 days (21.46 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:05:23  

Additional Information
 Earth MOID = .941728 au 
 Jupiter MOID = 2.24999 au 
 T_jup = 3.383 
[ 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 15.4   n/a MPO264196  

129671 (1998 RA23)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1998 RA23 = 2002 PD76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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