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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09998698886340572 3.1834e-08  
a 3.148068301589894 1.3862e-08 au
q 2.833302431377585 1.0079e-07 au
i 5.804815964582295 4.0627e-06 deg
node 3.13485641961921 3.6856e-05 deg
peri 66.2442198262418 4.2609e-05 deg
M 51.85178838679098 2.076e-05 deg
tp 2458706.649871037733
(2019-Aug-11.14987104)
0.00011755 TDB
period 2040.161963890229
5.59
1.3476e-05
3.69e-08
d
yr
n .1764565786304258 1.1655e-09 deg/d
Q 3.462834171802204 1.5249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3073  
   data-arc span      38982 days (106.73 yr)  
   first obs. used      1914-02-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:55:44  

Additional Information
 Earth MOID = 1.85372 au 
 Jupiter MOID = 1.82281 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456247.5 (2012-Nov-16.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09673107584756799 3.2199e-08  
q 2.842666514831846 1.0151e-07 au
tp 2456676.086383675760
(2014-Jan-18.58638368)
0.00012099 TDB
node 3.289495549646727 3.694e-05 deg
peri 67.89775184848288 4.2949e-05 deg
i 5.799087839824186 4.0566e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3073  
   data-arc span      38982 days (106.73 yr)  
   first obs. used      1914-02-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:55:44  

Additional Information
 Jupiter MOID = 1.82281 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.036801395817201E-15 -3.243450166869114E-15 5.63684766922731E-15 8.573717407442751E-16 -4.673561023642379E-15 -2.435818733752892E-17
q -3.243450166869114E-15 1.030457768338495E-14 -2.031662393793553E-13 -3.980236969877305E-15 -2.598620665826847E-14 5.1510377590847E-16
tp 5.63684766922731E-15 -2.031662393793553E-13 1.46377837193458E-8 -1.252075655020363E-11 2.667890509110485E-9 -9.303809787684039E-13
node 8.573717407442751E-16 -3.980236969877305E-15 -1.252075655020363E-11 1.36459463481888E-9 -1.359599090710716E-9 -1.320518961831747E-11
peri -4.673561023642379E-15 -2.598620665826847E-14 2.667890509110485E-9 -1.359599090710716E-9 1.844652130092152E-9 1.293040833013116E-11
i -2.435818733752892E-17 5.1510377590847E-16 -9.303809787684039E-13 -1.320518961831747E-11 1.293040833013116E-11 1.645592707139462E-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 9.9   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. 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 ]
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