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JPL Small-Body Database Browser
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31374 Hruskova (1998 XZ41)
Classification: Main-belt Asteroid          SPK-ID: 2031374
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135770583917049 3.1104e-08  
a 2.293422914082115 8.1687e-09 au
q 1.982043545868446 7.1986e-08 au
i 1.466333635773756 4.4251e-06 deg
node 42.04177274767032 0.00014316 deg
peri 48.98474369909403 0.00014459 deg
M 62.14492906088319 1.9092e-05 deg
tp 2458781.508204836335
(2019-Oct-25.00820484)
6.7031e-05 TDB
period 1268.599827053999
3.47
6.7778e-06
1.856e-08
d
yr
n .283777431087949 1.5161e-09 deg/d
Q 2.604802282295784 9.2778e-09 au
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      8696 days (23.81 yr)  
   first obs. used      1996-03-16  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 04:02:27  

Additional Information
 Earth MOID = .998998 au 
 Jupiter MOID = 2.56118 au 
 T_jup = 3.584 
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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 15.7   n/a MPO452611  
diameter diameter 1.838 km 0.340 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.362   0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

31374 Hruskova           Discovered 1998 Dec. 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Aranka Hruskova (b. 1995) was awarded second place in the 2014 Intel International Science and Engineering Fair for her mathematical sciences project. She attends the Gymnazium Christiana Dopplera, Prague, Czech Republic.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-07-02Last Updated: 2015-07-06

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Alternate Designations
 1998 XZ41 = 2000 KY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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