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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863818862601432 3.9515e-08  
a 3.094384679998697 2.1707e-08 au
q 2.51764742652605 1.2576e-07 au
i 1.296451539871616 4.5886e-06 deg
node 345.0318874498342 0.00020909 deg
peri 353.5454649394709 0.00020949 deg
M 345.4031985369639 1.4834e-05 deg
tp 2459081.114855626039
(2020-Aug-19.61485563)
8.2327e-05 TDB
period 1988.199133821599
5.44
2.092e-05
5.728e-08
d
yr
n .1810683818718044 1.9052e-09 deg/d
Q 3.671121933471343 2.5752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      9447 days (25.86 yr)  
   first obs. used      1993-09-16  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:39:34  

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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