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 ]  
212956 (2009 BH51)
Classification: Main-belt Asteroid          SPK-ID: 2212956
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799713110888361 9.7333e-08  
a 2.395743469115479 2.7588e-08 au
q 1.96457837594625 2.3025e-07 au
i 2.22559570224367 1.0623e-05 deg
node 354.5607461773088 0.0001851 deg
peri 229.221410982322 0.00018627 deg
M 215.7396196647936 2.5322e-05 deg
tp 2459143.254544287703
(2020-Oct-20.75454429)
0.00010068 TDB
period 1354.437271616482
3.71
2.3395e-05
6.405e-08
d
yr
n .2657930400647868 4.5911e-09 deg/d
Q 2.826908562284709 3.2553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6985 days (19.12 yr)  
   first obs. used      1999-09-05  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61946  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:52:10  

Additional Information
 Earth MOID = .956742 au 
 Jupiter MOID = 2.15913 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456198.5 (2012-Sep-28.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798603569442945 9.7074e-08  
q 1.964211907803687 2.2943e-07 au
tp 2456435.583836681533
(2013-May-23.08383668)
8.164e-05 TDB
node 354.5878736203605 0.00018494 deg
peri 229.3828773029124 0.00018613 deg
i 2.227229571655792 1.0624e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6985 days (19.12 yr)  
   first obs. used      1999-09-05  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61946  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:52:10  

Additional Information
 Jupiter MOID = 2.15913 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.423446784255026E-15 -2.216707395594799E-14 -3.334565380820249E-12 6.642713816987692E-14 -9.167717207082137E-13 -8.698365851291942E-15
q -2.216707395594799E-14 5.263813385118872E-14 8.301290330186829E-12 -1.604360811236147E-13 2.246053252464701E-12 2.182719421332114E-14
tp -3.334565380820249E-12 8.301290330186829E-12 6.66516970479087E-9 -7.992195857855263E-12 1.751282254898969E-9 7.695840398402988E-12
node 6.642713816987692E-14 -1.604360811236147E-13 -7.992195857855263E-12 3.420385423635279E-8 -3.417829741689439E-8 6.522491499387228E-10
peri -9.167717207082137E-13 2.246053252464701E-12 1.751282254898969E-9 -3.417829741689439E-8 3.464410039309567E-8 -6.497449655002137E-10
i -8.698365851291942E-15 2.182719421332114E-14 7.695840398402988E-12 6.522491499387228E-10 -6.497449655002137E-10 1.128746955505761E-10

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 17.0   n/a MPO459952  

212956 (2009 BH51)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2009 BH51 = 2007 VF26 
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-12 06:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin