Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
31239 Michaeljames (1998 DV1)
Classification: Main-belt Asteroid          SPK-ID: 2031239
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969425441699175 1.2549e-07  
a 2.594510448033126 2.9598e-08 AU
q 2.08354095952205 3.353e-07 AU
i 12.01702270382889 8.7401e-06 deg
node 310.7608711906349 4.9884e-05 deg
peri 69.94045446700839 6.1224e-05 deg
M 50.06667114771868 2.5602e-05 deg
tp 2456588.210859448830
(2013-Oct-22.71085945)
0.00010981 JED
period 1526.446413282334
4.18
2.612e-05
7.151e-08
d
yr
n .2358418853537664 4.0357e-09 deg/d
Q 3.105479936544202 3.5427e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      6395 days (17.51 yr)  
   first obs. used      1996-08-09  
   last obs. used      2014-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54991  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:48:10  

Additional Information
 Earth MOID = 1.11835 AU 
 T_jup = 3.360 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO279841  

31239 Michaeljames           Discovered 1998 Feb. 21 by I. P. Griffin at Cocoa.
Michael James (b. 1970) is a high-school teacher of English at Kenwood High School, Baltimore County, Maryland. During his teaching career he has inspired many students to take a deep interest in literature.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

[ show close-approach data ]
Alternate Designations
 1998 DV1 = 2000 ON23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-19 19:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin