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 ]  
295414 (2008 JU31)
Classification: Main-belt Asteroid          SPK-ID: 2295414
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08655625106415139 1.3463e-07  
a 3.15443591024669 4.5913e-08 au
q 2.881399763633602 4.367e-07 au
i 21.96229088308179 8.1036e-06 deg
node 99.69105241758136 2.1668e-05 deg
peri 122.9937760650265 5.5156e-05 deg
M 349.3076726331394 4.5161e-05 deg
tp 2458661.278606049479
(2019-Jun-26.77860605)
0.00025647 TDB
period 2046.355056956753
5.60
4.4678e-05
1.223e-07
d
yr
n .1759225500854069 3.8409e-09 deg/d
Q 3.427472056859777 4.9888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      7205 days (19.73 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:06  

Additional Information
 Earth MOID = 1.91949 au 
 Jupiter MOID = 1.80691 au 
 T_jup = 3.088 
[ 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 14.9   n/a MPO260565  
diameter diameter 7.671 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295414 (2008 JU31)          Discovered 2008-May-05 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1978-May-14 08:30 00:02 Jupiter 1.97829011635226 1.97828834220706 1.97829189051939 6.17226388055165 6.10250142281825 2443642.854389544 2.29839367955956 379.532971051251 37.2916264010146 -77.952112909366 2193568.16365704 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:07 2019-Sep-24 05:43
1989-Feb-18 10:01 00:02 Jupiter 1.85718775053251 1.85718641533542 1.85718908573065 5.40019846609965 5.31507172380548 2447575.917162140 1.7735728904525 274.793418462047 63.4548524965486 -86.5328675530447 1648357.34688805 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:07 2019-Sep-24 05:43
2084-Sep-09 19:59 00:04 Jupiter 1.86221449956365 1.86221265411913 1.86221634506259 5.96109304698855 5.88429575136782 2482478.332865790 3.68067476590653 600.172793238849 46.5214204788746 -82.6639939214338 1983396.70839686 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:07 2019-Sep-24 05:43
2095-Jun-01 11:46 00:05 Jupiter 1.93436310793799 1.93436057798125 1.93436563790253 4.80777645869489 4.71581920312733 2486394.990532984 5.20220645195584 385.653445767525 114.967619589945 78.0991773239989 1064313.9806824 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:07 2019-Sep-24 05:43
2191-Jan-07 09:07 00:10 Jupiter 1.81041854602477 1.81041726122979 1.81041983081974 5.68524927082068 5.60235121770913 2521312.879988741 9.65307766145363 1305.26167784714 63.0901346282019 89.6535337518637 1805407.35327772 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:07 2019-Sep-24 05:43
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-12 19:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin