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 ]  
734 Benda (A912 TF)
Classification: Main-belt Asteroid          SPK-ID: 2000734
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000610918439014 3.1255e-08  
a 3.147624936116679 1.3598e-08 au
q 2.832670148293754 9.8453e-08 au
i 5.805466132481626 4.059e-06 deg
node 3.130363041704919 3.5882e-05 deg
peri 66.14761767144356 4.1671e-05 deg
M 87.23489561126165 2.068e-05 deg
tp 2458706.234112919191
(2019-Aug-10.73411292)		 0.00011693 TDB
period 2039.730982679371
5.58		 1.3217e-05
3.619e-08		 d
yr
n .1764938626990445 1.1437e-09 deg/d
Q 3.462579723939605 1.4958e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3198  
   data-arc span      39047 days (106.90 yr)  
   first obs. used      1914-02-24  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41444  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:49:18  

Additional Information
 Earth MOID = 1.8525 au 
 Jupiter MOID = 1.82349 au 
 T_jup = 3.193 
[ 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 9.97   n/a E2021B10  
diameter diameter 67.318 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.110 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Buchheim, R.K. (2009) Minor Planet Bull. 36, 84-85.]
[Stephens, R.D. (2014) Minor Planet Bull. 41, 92-95.]
[Franco, L.; Marchini, A.; Baj, G.; Scarfi, G.; et al. (2019) Minor Planet Bull. 46, 85-86.]
geometric albedo albedo 0.051   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

734 Benda (A912 TF)          Discovered 1912-Oct-11 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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-Feb-24 18:06 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin