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JPL Small-Body Database Browser
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7403 Choustnik (1988 AV1)
Classification: Main-belt Asteroid          SPK-ID: 2007403
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.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2728583648539614 3.5297e-08  
a 2.717540387303936 1.1468e-08 au
q 1.976036760799583 9.8712e-08 au
i 8.590353474008557 4.5654e-06 deg
node 109.8872224691213 2.9415e-05 deg
peri 338.462395713567 3.1153e-05 deg
M 94.56669714527295 8.5425e-06 deg
tp 2458570.668580651940
3.8387e-05 TDB
period 1636.298143389652
n .2200088055189299 1.3927e-09 deg/d
Q 3.459044013808289 1.4598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1427  
   data-arc span      24924 days (68.24 yr)  
   first obs. used      1951-11-08  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:28:40  

Additional Information
 Earth MOID = .995307 au 
 Jupiter MOID = 1.77585 au 
 T_jup = 3.290 
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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 14.1   n/a MPO467730  
diameter diameter 8.007 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 4.530261 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); 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.]
geometric albedo albedo 0.060   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

7403 Choustník           Discovered 1988 Jan. 14 by A. Mrkos at Klet.
Choustník is a castle founded in the mid-thirteenth century. Under the brothers Beneš and Jan of Choustník two similar palaces with square towers were built. Choustník is a rare example of twin castles. It was abandoned in the seventeenth century. The name was suggested by M. Tichy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1988 AV1 = 1951 YQ2 = 1979 BQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Apr-08 17:31 UT
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