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74682 (1999 RL117)
Classification: Main-belt Asteroid          SPK-ID: 2074682
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433071958922031 4.1381e-08  
a 2.288439026895948 1.0545e-08 au
q 1.960489246981208 9.6139e-08 au
i 5.741423415540747 4.5133e-06 deg
node 223.6551632571307 4.571e-05 deg
peri 93.61012892720514 4.8433e-05 deg
M 6.096718404557902 1.7325e-05 deg
tp 2458979.085838151210
(2020-May-09.58583815)
6.0793e-05 TDB
period 1264.466841670289
3.46
8.7403e-06
2.393e-08
d
yr
n .2847049745681432 1.9679e-09 deg/d
Q 2.616388806810689 1.2057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      8604 days (23.56 yr)  
   first obs. used      1996-11-10  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:50:01  

Additional Information
 Earth MOID = .957512 au 
 Jupiter MOID = 2.66158 au 
 T_jup = 3.580 
[ 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 16.2   n/a MPO432299  

74682 (1999 RL117)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RL117 = 2002 JK39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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