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 ]  
186690 (2004 BB12)
Classification: Main-belt Asteroid          SPK-ID: 2186690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709722013850805 3.1791e-08  
a 2.471581772902914 1.5615e-08 au
q 2.049009996286463 8.0734e-08 au
i 1.264064057481688 5.4727e-06 deg
node 350.7747619265477 0.0001461 deg
peri 255.3508087652189 0.0001476 deg
M 23.45005931671636 1.8089e-05 deg
tp 2459108.050972431275
(2020-Sep-15.55097243)
7.1634e-05 TDB
period 1419.256534716572
3.89
1.345e-05
3.682e-08
d
yr
n .2536539316141972 2.4038e-09 deg/d
Q 2.894153549519365 1.8285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      7468 days (20.45 yr)  
   first obs. used      1999-12-31  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56487  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:18  

Additional Information
 Earth MOID = 1.03448 au 
 Jupiter MOID = 2.13275 au 
 T_jup = 3.463 
[ 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 16.54   n/a E2021B55  

186690 (2004 BB12)          Discovered 2004-Jan-16 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2004 BB12 = 2000 AJ257 = 2006 TQ91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-24 15:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin