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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0861235852144626 3.8364e-08  
a 3.033483457914332 2.2141e-08 au
q 2.772228986829985 1.175e-07 au
i 5.250786260601741 4.6419e-06 deg
node 296.4222715596325 5.2828e-05 deg
peri 349.5064523444082 6.1445e-05 deg
M 19.43544478283933 3.0932e-05 deg
tp 2458496.315561227691
(2019-Jan-12.81556123)
0.00016606 TDB
period 1929.793651604398
5.28
2.1128e-05
5.785e-08
d
yr
n .1865484424724385 2.0424e-09 deg/d
Q 3.29473792899868 2.4048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      8773 days (24.02 yr)  
   first obs. used      1995-11-14  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54957  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:05:43  

Additional Information
 Earth MOID = 1.75541 au 
 Jupiter MOID = 1.84924 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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