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4190 Kvasnica (1980 JH)
Classification: Main-belt Asteroid          SPK-ID: 2004190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 .1660723340820621 2.8675e-08  
a 2.613965596539356 9.2399e-09 au
q 2.179858228711856 7.421e-08 au
i 12.95300984007008 3.5887e-06 deg
node 198.7940883214924 1.4173e-05 deg
peri 115.7049857140705 1.8197e-05 deg
M 158.1752897535434 1.2926e-05 deg
tp 2458522.258490441813
(2019-Feb-07.75849044)
5.4261e-05 TDB
period 1543.64783413003
4.23
8.1848e-06
2.241e-08
d
yr
n .2332138147318355 1.2366e-09 deg/d
Q 3.048072964366856 1.0774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2740  
   data-arc span      14868 days (40.71 yr)  
   first obs. used      1980-05-11  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:16:06  

Additional Information
 Earth MOID = 1.20136 au 
 Jupiter MOID = 2.38764 au 
 T_jup = 3.353 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.70   n/a E2021B10  
diameter diameter 7.409 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 13.42 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:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.322   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4190 Kvasnica (1980 JH)          Discovered 1980-May-11 by Brozek, L. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1980 JH = 1981 UP11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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