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
JPL Small-Body Database Browser
Search: [ help ]  
381659 (2009 BS2)
Classification: Main-belt Asteroid          SPK-ID: 2381659
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807304893137058 8.6254e-08  
a 3.143567434793836 4.4526e-08 au
q 2.575428954112915 2.8916e-07 au
i 18.52986394477151 7.5782e-06 deg
node 101.6291883704937 2.4157e-05 deg
peri 85.37210474727637 3.2923e-05 deg
M 327.6832385534925 2.3923e-05 deg
tp 2459183.250229158827
(2020-Nov-29.75022916)
0.00013754 TDB
period 2035.788227297375
5.57
4.3253e-05
1.184e-07
d
yr
n .1768356822054721 3.7571e-09 deg/d
Q 3.711705915474757 5.2574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      5831 days (15.96 yr)  
   first obs. used      2004-02-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:28:50  

Additional Information
 Earth MOID = 1.659 au 
 Jupiter MOID = 1.73997 au 
 T_jup = 3.105 
[ 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 15.3   n/a MPO423410  
diameter diameter 4.266 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

381659 (2009 BS2)          Discovered 2009-Jan-19 by Lowe, A. at Mayhill
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2009 BS2 = 2004 FZ160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-19 20:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin