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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784015663047968 5.1157e-08  
a 2.42725314752199 9.9797e-09 au
q 1.994227384185819 1.2381e-07 au
i 9.171034804129262 6.2309e-06 deg
node 41.3409378066119 2.5405e-05 deg
peri 205.37824114 2.9064e-05 deg
M 2.58548425576814 1.4358e-05 deg
tp 2458990.580028304575
(2020-May-21.08002830)
5.508e-05 TDB
period 1381.246009286594
3.78
8.5186e-06
2.332e-08
d
yr
n .2606342371884485 1.6074e-09 deg/d
Q 2.860278910858161 1.176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      7945 days (21.75 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:32:01  

Additional Information
 Earth MOID = .985488 au 
 Jupiter MOID = 2.17176 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 15.7   n/a MPO436676  

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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