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 ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09986440142828898 3.2904e-08  
a 3.147911839494611 1.496e-08 au
q 2.833547507894458 1.0556e-07 au
i 5.804907718741878 4.4285e-06 deg
node 3.150488761099086 3.7072e-05 deg
peri 66.37290532738672 4.3426e-05 deg
M 341.1519883861661 2.2684e-05 deg
tp 2458707.305915826203
(2019-Aug-11.80591583)
0.00012869 TDB
period 2040.00986869149
5.59
1.4542e-05
3.981e-08
d
yr
n .1764697345463885 1.258e-09 deg/d
Q 3.462276171094765 1.6454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2680  
   data-arc span      38600 days (105.68 yr)  
   first obs. used      1914-02-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:56:40  

Additional Information
 Earth MOID = 1.85375 au 
 Jupiter MOID = 1.82357 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 9.9   n/a MPO337248  
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. 2019-January); 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin