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JPL Small-Body Database Browser
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136959 (1998 RJ15)
Classification: Main-belt Asteroid          SPK-ID: 2136959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340573477376098 4.3372e-08  
a 2.397587900161484 1.1589e-08 au
q 2.07617362529805 1.0559e-07 au
i 2.10726854407693 5.0393e-06 deg
node 179.1545677841631 0.00012996 deg
peri 94.73817431633857 0.00013131 deg
M 11.17930139067686 2.0072e-05 deg
tp 2458958.391245287293
(2020-Apr-18.89124529)
7.5527e-05 TDB
period 1356.001700537096
3.71
9.8315e-06
2.692e-08
d
yr
n .2654863927216378 1.9249e-09 deg/d
Q 2.719002175024918 1.3142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1997-03-02  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58809  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:42:06  

Additional Information
 Earth MOID = 1.06117 au 
 Jupiter MOID = 2.37589 au 
 T_jup = 3.515 
[ 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 16.2   n/a MPO432831  

136959 (1998 RJ15)          Discovered 1998-Sep-15 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 RJ15 = 1997 ES3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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