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 ]  
410516 (2008 EG143)
Classification: Main-belt Asteroid          SPK-ID: 2410516
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1234929055491447 4.8411e-08  
a 2.634490943390465 3.0123e-08 au
q 2.309150002148269 1.2631e-07 au
i 10.61803659862393 7.3631e-06 deg
node 206.2745548417927 2.9764e-05 deg
peri 113.2761731002294 4.3268e-05 deg
M 169.5179689743962 3.0804e-05 deg
tp 2458265.043939040812
(2018-May-26.54393904)
0.00013165 TDB
period 1561.864996065976
4.28
2.6788e-05
7.334e-08
d
yr
n .2304936732091235 3.9532e-09 deg/d
Q 2.959831884632661 3.3843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6255 days (17.13 yr)  
   first obs. used      2001-09-25  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:14:59  

Additional Information
 Earth MOID = 1.32183 au 
 Jupiter MOID = 2.38383 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457063.5 (2015-Feb-10.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250258018906948 4.8658e-08  
q 2.303884177671243 1.27e-07 au
tp 2456700.439769769730
(2014-Feb-11.93976977)
0.00012847 TDB
node 206.3420191395015 2.9811e-05 deg
peri 112.5691421252645 4.2874e-05 deg
i 10.60988631678606 7.3592e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6255 days (17.13 yr)  
   first obs. used      2001-09-25  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:14:59  

Additional Information
 Jupiter MOID = 2.38383 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.367567334803726E-15 -6.049974203654145E-15 9.935821310487866E-13 1.677513238749087E-15 2.083785581100389E-13 2.457582991897377E-15
q -6.049974203654145E-15 1.612902508956157E-14 -2.894325408322747E-12 -5.450978958089285E-15 -5.842908095462375E-13 -5.633038363212583E-15
tp 9.935821310487866E-13 -2.894325408322747E-12 1.650467464968569E-8 -3.979172313897472E-11 3.979980138407814E-9 7.916535001902557E-12
node 1.677513238749087E-15 -5.450978958089285E-15 -3.979172313897472E-11 8.886786572386725E-10 -8.821690496287108E-10 2.866183145324295E-11
peri 2.083785581100389E-13 -5.842908095462375E-13 3.979980138407814E-9 -8.821690496287108E-10 1.838138553681182E-9 -2.625520475541021E-11
i 2.457582991897377E-15 -5.633038363212583E-15 7.916535001902557E-12 2.866183145324295E-11 -2.625520475541021E-11 5.415819196434544E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO455918  
rotation period rot_per 4.56 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]

410516 (2008 EG143)          Discovered 2008-Mar-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-10-09

Alternate Designations
 2008 EG143 = 2001 SD347 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-31 08:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin