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JPL Small-Body Database Browser
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58257 (1993 RN9)
Classification: Main-belt Asteroid          SPK-ID: 2058257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059611485342505 4.3577e-08  
a 2.44451290287024 9.384e-09 au
q 1.941038217788291 1.0809e-07 au
i 1.496957164025004 4.6713e-06 deg
node 313.4498632307289 0.00016202 deg
peri 68.12202698115556 0.00016235 deg
M 236.2175482213954 9.7124e-06 deg
tp 2459080.502509148235
(2020-Aug-19.00250915)
3.8579e-05 TDB
period 1396.004852145228
3.82
8.0385e-06
2.201e-08
d
yr
n .2578787598386863 1.4849e-09 deg/d
Q 2.94798758795219 1.1317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1033  
   data-arc span      10316 days (28.24 yr)  
   first obs. used      1991-02-21  
   last obs. used      2019-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56565  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:53  

Additional Information
 Earth MOID = .943796 au 
 Jupiter MOID = 2.51371 au 
 T_jup = 3.470 
[ 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 15.0   n/a MPO253729  

58257 (1993 RN9)          Discovered 1993-Sep-14 by Debehogne, H., Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RN9 = 1997 SU15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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