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136955 (1998 RJ5)
Classification: Main-belt Asteroid          SPK-ID: 2136955
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788191442454152 5.0271e-08  
a 2.426617599817389 1.0007e-08 au
q 1.99269191720718 1.216e-07 au
i 9.171819568710882 6.1051e-06 deg
node 41.2933473358246 2.5041e-05 deg
peri 205.2255769654145 2.8644e-05 deg
M 105.9501489318705 1.3986e-05 deg
tp 2458990.150703388736
(2020-May-20.65070339)
5.3257e-05 TDB
period 1380.70355025288
3.78
8.5411e-06
2.338e-08
d
yr
n .2607366367197831 1.6129e-09 deg/d
Q 2.860543282427598 1.1797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      8360 days (22.89 yr)  
   first obs. used      1998-09-15  
   last obs. used      2021-08-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:42:10  

Additional Information
 Earth MOID = .984229 au 
 Jupiter MOID = 2.1687 au 
 T_jup = 3.471 
[ 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 15.83   n/a E2021B55  

136955 (1998 RJ5)          Discovered 1998-Sep-15 by ODAS at Caussols
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1998 RJ5 = 2001 HY27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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