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 ]  
186715 (2004 BW91)
Classification: Main-belt Asteroid          SPK-ID: 2186715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384552122381026 3.3746e-08  
a 2.294931686152322 1.0664e-08 au
q 1.977186432474155 7.9796e-08 au
i 4.276161480126373 4.8515e-06 deg
node 231.227305069277 5.1383e-05 deg
peri 290.778964790167 5.4405e-05 deg
M 278.3742294666792 1.9333e-05 deg
tp 2459488.423997601305
(2021-Sep-30.92399760)
6.8989e-05 TDB
period 1269.851891862478
3.48
8.8512e-06
2.423e-08
d
yr
n .2834976285872142 1.976e-09 deg/d
Q 2.612676939830488 1.2141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      7194 days (19.70 yr)  
   first obs. used      2001-05-02  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53385  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:24  

Additional Information
 Earth MOID = .98957 au 
 Jupiter MOID = 2.38148 au 
 T_jup = 3.579 
[ 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 17.22   n/a MPCxxxxx  

186715 (2004 BW91)          Discovered 2004-Jan-26 by LONEOS at Anderson Mesa
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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 2021-Jun-15 21:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin