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 ]  
39362 (2002 BU1)
Classification: Jupiter Trojan          SPK-ID: 2039362
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06064384918778106 4.6708e-08  
a 5.107150694689198 1.2428e-07 au
q 4.797433418181194 2.7882e-07 au
i 9.734251900409843 5.849e-06 deg
node 180.4697539518338 2.808e-05 deg
peri 283.6688150473868 6.9918e-05 deg
M 225.4353607384345 6.9104e-05 deg
tp 2460176.277468966152
(2023-Aug-19.77746897)
0.00084755 TDB
period 4215.668335610377
11.54
0.00015387
4.213e-07
d
yr
n .08539571221934764 3.117e-09 deg/d
Q 5.4168679711972 1.3181e-07 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      8167 days (22.36 yr)  
   first obs. used      1997-07-06  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5901  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:09:25  

Additional Information
 Earth MOID = 3.83106 au 
 Jupiter MOID = .154257 au 
 T_jup = 2.968 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0   n/a MPO493124  
diameter diameter 15.328 km 0.875 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.143   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

39362 (2002 BU1)          Discovered 2002-Jan-21 by Yeung, W. K. Y. at Desert Eagle
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 BU1 = 1997 UA26 = 2001 DG95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-18 15:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin