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(2018 RG39)
Classification: Centaur          SPK-ID: 3978831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5287526291297359 6.034e-06  
a 5.850941948332236 7.9711e-05 au
q 2.757241010266107 2.7873e-06 au
i 15.8455639188735 1.9472e-05 deg
node 33.90508876684884 4.0728e-05 deg
peri 69.02827880669403 0.00039378 deg
M 25.7491676362357 0.00057113 deg
tp 2458630.758835656071
(2019-May-27.25883566)
0.0019209 TDB
period 5169.363959419752
14.15
0.10564
0.0002892
d
yr
n .06964106277407657 1.4231e-06 deg/d
Q 8.944642886398364 0.00012186 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      590 days (1.62 yr)  
   first obs. used      2018-09-09  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .55125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 00:27:19  

Additional Information
 Earth MOID = 1.82308 au 
 Jupiter MOID = .20002 au 
 T_jup = 2.621 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.362   .32816 5 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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