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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0606438464239951 4.7175e-08  
a 5.107150690465702 1.2464e-07 au
q 4.797433428328899 2.7993e-07 au
i 9.734251669387495 5.8586e-06 deg
node 180.4697511910191 2.8371e-05 deg
peri 283.6688171955104 7.0018e-05 deg
M 225.4353617585358 6.9131e-05 deg
tp 2460176.277455065874
(2023-Aug-19.77745507)
0.00084797 TDB
period 4215.668330380987
11.54
0.00015432
4.225e-07
d
yr
n .08539571232527805 3.1261e-09 deg/d
Q 5.416867952602505 1.322e-07 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1997-07-06  
   last obs. used      2019-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59083  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:48:13  

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 11.9   n/a MPO412459  
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 2019-Dec-11 15:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin