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9028 Konradbenes (1989 BE1)
Classification: Main-belt Asteroid          SPK-ID: 2009028
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580228915105106 1.2078e-08  
a 2.450613191396693 7.1012e-09 au
q 2.063360208918387 2.8332e-08 au
i 4.051589286138911 1.1459e-06 deg
node 107.9186004087211 8.8886e-06 deg
peri 332.1071064537984 1.1528e-05 deg
M 139.5196412708449 7.817e-06 deg
tp 2458657.445486681151
(2019-Jun-22.94548668)
2.9663e-05 TDB
period 1401.233711712809
3.84
6.0906e-06
1.668e-08
d
yr
n .2569164565416794 1.1167e-09 deg/d
Q 2.837866173874999 8.2233e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2999  
   data-arc span      14459 days (39.59 yr)  
   first obs. used      1980-11-11  
   last obs. used      2020-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43347  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:04:53  

Additional Information
 Earth MOID = 1.07976 au 
 Jupiter MOID = 2.39146 au 
 T_jup = 3.475 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457127.5 (2015-Apr-15.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567107419818506 1.2197e-08  
q 2.06723165597689 2.8644e-08 au
tp 2457256.371899287886
(2015-Aug-21.87189929)
2.891e-05 TDB
node 107.9766991089799 8.889e-06 deg
peri 332.3361676663889 1.1578e-05 deg
i 4.051537336484933 1.146e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2999  
   data-arc span      14459 days (39.59 yr)  
   first obs. used      1980-11-11  
   last obs. used      2020-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43347  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:04:53  

Additional Information
 Jupiter MOID = 2.39146 au 
 T_jup = 3.475 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.487640644822133E-16 -3.423247075360425E-16 2.195042309350418E-13 1.789155320804413E-14 3.974265111549486E-14 2.150498587236516E-16
q -3.423247075360425E-16 8.204984545305124E-16 -5.246388598724586E-13 -4.332349342126946E-14 -9.473367622663548E-14 -3.893172971763839E-16
tp 2.195042309350418E-13 -5.246388598724586E-13 8.357695315897846E-10 2.67159437356791E-11 2.159520142081089E-10 2.033428418524997E-12
node 1.789155320804413E-14 -4.332349342126946E-14 2.67159437356791E-11 7.901397831733953E-11 -7.086513373934968E-11 5.330973821488107E-12
peri 3.974265111549486E-14 -9.473367622663548E-14 2.159520142081089E-10 -7.086513373934968E-11 1.340514359985954E-10 -4.888086803204235E-12
i 2.150498587236516E-16 -3.893172971763839E-16 2.033428418524997E-12 5.330973821488107E-12 -4.888086803204235E-12 1.313400094288635E-12

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 14.02   n/a E2021B10  
diameter diameter 10.669 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.71141 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.068   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9028 Konrádbeneš           Discovered 1989 Jan. 26 by A. Mrkos at Klet.
Konrád Beneš (1920-1999), a professor at the Technical University in Ostrava, was one of the pioneers of planetology in the Czech Republic and a past vice-president of the International Association of Planetology (1968-1977). The name was suggested by J. Honěk, P. Martinec and M. Eliáš.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000124/MPCPages.arcLast Updated: 2013-03-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1941-Sep-04 20:02 < 00:01 Amphi 0.0218094573224934 0.0218036802279132 0.0218152359142881 3.03138917549146 3.03138908853807 2430242.334474681 0.668719386726876 405.613932804025 25.1404873448326 44.9024998815203 91701.5970726518 T 37 CATAB v2.0f-lin.ifort 2021-Apr-12 21:05:35 2021-Apr-12 21:05
2179-Mar-14 21:22 00:05 Hygie 0.0438239172392273 0.0438060950521845 0.0438417397210891 4.10557321461587 4.10557299987365 2516996.389945255 4.55078365961721 905.403773422477 32.3582309840519 -11.4572177534085 40790.8867898484 T 37 CATAB v2.0f-lin.ifort 2021-Apr-12 21:05:35 2021-Apr-12 21:05

Alternate Designations
 1989 BE1 = 1980 VP2 = 1991 RN37 = 1993 CV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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