Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
58928 (1998 MP18)
Classification: Main-belt Asteroid          SPK-ID: 2058928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456783.5 (2014-May-06.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1889926517555394 3.9511e-08  
q 2.507547179701216 1.2619e-07 au
tp 2457099.426809562893
(2015-Mar-17.92680956)
7.4865e-05 TDB
node 345.2907022963707 0.00020882 deg
peri 354.166539582032 0.00020921 deg
i 1.298291601975657 4.596e-06 deg
  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
 Jupiter MOID = 1.72328 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.561084216393522E-15 -4.941089959573214E-15 8.953926895803977E-13 4.087806782281434E-15 1.613743275687079E-13 -8.601048684905137E-17
q -4.941089959573214E-15 1.592294877518746E-14 -2.522971656198133E-12 -1.288833183124317E-14 -4.666079681248338E-13 3.88881437995244E-16
tp 8.953926895803977E-13 -2.522971656198133E-12 5.604762341483405E-9 9.990634056033738E-12 9.88678488699369E-10 2.842588471511725E-13
node 4.087806782281434E-15 -1.288833183124317E-14 9.990634056033738E-12 4.360527020767227E-8 -4.359215363239018E-8 2.857448384042903E-10
peri 1.613743275687079E-13 -4.666079681248338E-13 9.88678488699369E-10 -4.359215363239018E-8 4.376765685086027E-8 -2.856309601761351E-10
i -8.601048684905137E-17 3.88881437995244E-16 2.842588471511725E-13 2.857448384042903E-10 -2.856309601761351E-10 2.112307185284128E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-26 01:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin