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JPL Small-Body Database Browser
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58930 (1998 MK31)
Classification: Main-belt Asteroid          SPK-ID: 2058930
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 .231135300753927 3.625e-08  
a 2.714997850289105 1.641e-08 au
q 2.087466005616267 9.6782e-08 au
i 2.846342961541418 4.5098e-06 deg
node 107.1661384197761 9.1708e-05 deg
peri 158.8354422992622 9.2342e-05 deg
M 250.1126667476217 1.2804e-05 deg
tp 2459099.267096204085
(2020-Sep-06.76709620)
6.0611e-05 TDB
period 1634.002294159636
4.47
1.4815e-05
4.056e-08
d
yr
n .2203179281245424 1.9975e-09 deg/d
Q 3.342529694961942 2.0203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      10331 days (28.28 yr)  
   first obs. used      1990-10-23  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61731  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:36:54  

Additional Information
 Earth MOID = 1.07147 au 
 Jupiter MOID = 1.75473 au 
 T_jup = 3.320 
[ 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 15.4   n/a MPO432143  
diameter diameter 4.747 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58930 (1998 MK31)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 MK31 = 2002 JU97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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