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58928 (1998 MP18)
Classification: Main-belt Asteroid          SPK-ID: 2058928
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863818836866517 3.9403e-08  
a 3.094384663161688 1.5758e-08 au
q 2.517647420790528 1.2551e-07 au
i 1.296449665921858 4.3902e-06 deg
node 345.0316812651447 0.00014648 deg
peri 353.5456620396537 0.00014688 deg
M 345.4032117412456 9.0791e-06 deg
tp 2459081.114782043802
(2020-Aug-19.61478204)
5.0044e-05 TDB
period 1988.199117594467
5.44
1.5187e-05
4.158e-08
d
yr
n .1810683833496345 1.3831e-09 deg/d
Q 3.671121905532849 1.8695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1146  
   data-arc span      9906 days (27.12 yr)  
   first obs. used      1993-09-16  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:48:57  

Additional Information
 Earth MOID = 1.5087 au 
 Jupiter MOID = 1.72328 au 
 T_jup = 3.196 
[ 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 MPO436194  

58928 (1998 MP18)          Discovered 1998-Jun-26 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 MP18 = 1993 SO13 = 1999 XL52 = 2002 GM41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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