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58975 (1998 RD31)
Classification: Main-belt Asteroid          SPK-ID: 2058975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0858729997594589 3.7609e-08  
a 3.033368185814144 2.1588e-08 au
q 2.772883760323376 1.1428e-07 au
i 5.250993597701432 4.5108e-06 deg
node 296.4215814535897 5.2336e-05 deg
peri 349.6074423856397 6.0623e-05 deg
M 93.98809840620282 3.0176e-05 deg
tp 2458496.701952144530
(2019-Jan-13.20195214)
0.00016275 TDB
period 1929.683654670045
5.28
2.0599e-05
5.64e-08
d
yr
n .1865590762137414 1.9915e-09 deg/d
Q 3.293852611304912 2.3441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      9116 days (24.96 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:48:45  

Additional Information
 Earth MOID = 1.75669 au 
 Jupiter MOID = 1.85107 au 
 T_jup = 3.230 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO449379  

58975 (1998 RD31)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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