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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456375.5 (2013-Mar-24.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09679034066895995 3.155e-08  
q 2.842420097734119 9.8956e-08 au
tp 2456676.203009954194
(2014-Jan-18.70300995)
0.00012016 TDB
node 3.289307492997402 3.5969e-05 deg
peri 67.92869877663259 4.2026e-05 deg
i 5.799181331180169 4.0526e-06 deg
  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
 Jupiter MOID = 1.82349 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.953924241129284E-16 -3.098029373086685E-15 -7.643632487252104E-14 1.39860660077953E-15 -2.361208849267824E-14 1.307405496809283E-17
q -3.098029373086685E-15 9.79225266298341E-15 8.686226388404774E-14 -5.498884968201568E-15 4.083354440228691E-14 3.87179930968058E-16
tp -7.643632487252104E-14 8.686226388404774E-14 1.443816283207871E-8 -1.559914258113565E-11 2.627543920664155E-9 -9.183090282412662E-13
node 1.39860660077953E-15 -5.498884968201568E-15 -1.559914258113565E-11 1.293795305409301E-9 -1.2897016676784E-9 -1.442696576855137E-11
peri -2.361208849267824E-14 4.083354440228691E-14 2.627543920664155E-9 -1.2897016676784E-9 1.766146778247673E-9 1.415066530578016E-11
i 1.307405496809283E-17 3.87179930968058E-16 -9.183090282412662E-13 -1.442696576855137E-11 1.415066530578016E-11 1.642319956137861E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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