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JPL Small-Body Database Browser
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136976 (1998 RA61)
Classification: Main-belt Asteroid          SPK-ID: 2136976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153229216282106 4.7004e-08  
a 2.976430526246616 1.98e-08 au
q 2.633179861936464 1.4316e-07 au
i 11.04825569874166 5.3989e-06 deg
node 347.7858259976367 2.2535e-05 deg
peri 328.5519724660609 2.9927e-05 deg
M 44.86349322626311 2.097e-05 deg
tp 2458366.760216551909
(2018-Sep-05.26021655)
0.00010841 TDB
period 1875.607893859977
5.14
1.8716e-05
5.124e-08
d
yr
n .1919377718437326 1.9152e-09 deg/d
Q 3.319681190556768 2.2083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      8623 days (23.61 yr)  
   first obs. used      1996-03-20  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:05:53  

Additional Information
 Earth MOID = 1.62675 au 
 Jupiter MOID = 2.04284 au 
 T_jup = 3.223 
[ 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 15.0   n/a MPO453851  

136976 (1998 RA61)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 RA61 = 2003 RC14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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