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 ]  
249165 (2008 BT32)
Classification: Main-belt Asteroid          SPK-ID: 2249165
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521846424671023 4.2825e-08  
a 2.670138979676025 2.4893e-08 au
q 2.263784833716556 1.1985e-07 au
i 18.51982808438864 4.4394e-06 deg
node 154.8968168406798 1.7501e-05 deg
peri 226.0304523250916 2.5275e-05 deg
M 325.5841294536701 1.7011e-05 deg
tp 2458752.854570003989
(2019-Sep-26.35457000)
7.5017e-05 TDB
period 1593.673044754209
4.36
2.2286e-05
6.102e-08
d
yr
n .2258932603428218 3.1589e-09 deg/d
Q 3.076493125635494 2.8682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      6629 days (18.15 yr)  
   first obs. used      2001-09-08  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56559  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:46:55  

Additional Information
 Earth MOID = 1.29515 au 
 Jupiter MOID = 2.4473 au 
 T_jup = 3.291 
[ 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 16.0   n/a MPO450107  
diameter diameter 2.500 km 0.549 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249165 (2008 BT32)          Discovered 2008-Jan-30 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
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-16 08:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin