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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788191454885787 5.028e-08  
a 2.426617599456232 1.0011e-08 au
q 1.992691913893923 1.2162e-07 au
i 9.171819573182219 6.1054e-06 deg
node 41.29334736011027 2.5049e-05 deg
peri 205.2255774594672 2.8653e-05 deg
M 105.9501487406216 1.3987e-05 deg
tp 2458990.150704212947
(2020-May-20.65070421)
5.3261e-05 TDB
period 1380.703549944642
3.78
8.5443e-06
2.339e-08
d
yr
n .2607366367779919 1.6135e-09 deg/d
Q 2.860543285018541 1.1801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      7982 days (21.85 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57474  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:19:42  

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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