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 ]  
305631 (2009 BN12)
Classification: Main-belt Asteroid          SPK-ID: 2305631
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0480938357725993 5.7698e-08  
a 2.593169169315582 3.3706e-08 au
q 2.468453717155951 1.4056e-07 au
i 12.01153320199561 1.039e-05 deg
node 19.02104942725825 3.0755e-05 deg
peri 250.927655011247 0.00020185 deg
M 123.9188542596963 0.00018761 deg
tp 2458475.475476123052
(2018-Dec-22.97547612)
0.00080174 TDB
period 1525.262880494329
4.18
2.9738e-05
8.142e-08
d
yr
n .2360248876464666 4.6017e-09 deg/d
Q 2.717884621475213 3.5327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      8221 days (22.51 yr)  
   first obs. used      1997-04-30  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45673  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:13:45  

Additional Information
 Earth MOID = 1.48324 au 
 Jupiter MOID = 2.32357 au 
 T_jup = 3.386 
[ 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 16.7   n/a MPO450229  

305631 (2009 BN12)          Discovered 2009-Jan-26 by Apitzsch, R. at Wildberg
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2028-Oct-12 12:42 00:01 Thisb 0.0476658211563608 0.0476498832162657 0.047681759177532 4.87957910835683 4.87957907904214 2462057.029479942 1.38751750368352 800.635429919046 137.670536402822 7.23492490931385 10977.8691020568 T 9 CATAB v2.0f-lin.ifort 2019-Dec-04 21:13:46 2019-Dec-04 21:13

Alternate Designations
 2009 BN12 = 1997 HL16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 17:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin