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31323 Lysa hora (1998 HC29)
Classification: Main-belt Asteroid          SPK-ID: 2031323
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1234219938359453 8.3805e-09  
a 2.779920237954289 1.1081e-08 au
q 2.436816939481075 2.105e-08 au
i 13.32524113565315 6.2676e-07 deg
node 48.00929387788892 2.9139e-06 deg
peri 359.6179818568724 1.1928e-05 deg
M 56.79113593536233 9.1997e-06 deg
tp 2458933.430074992987
(2020-Mar-24.93007499)
4.2855e-05 TDB
period 1692.960906997065
4.64
1.0122e-05
2.771e-08
d
yr
n .2126451937030016 1.2714e-09 deg/d
Q 3.123023536427503 1.2448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2028  
   data-arc span      8836 days (24.19 yr)  
   first obs. used      1997-01-10  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:34:34  

Additional Information
 Earth MOID = 1.4459 au 
 Jupiter MOID = 2.27538 au 
 T_jup = 3.283 
[ 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 13.48   n/a E2021B10  
diameter diameter 5.517 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

31323 Lysá hora           Discovered 1998 Apr. 27 by P. Pravec at Ondřejov.
The highest mountain (1323 m) in the Beskydy range, at the northwestern part of the Carpathian Mountains, Lysá hora was formed with sandstone and clay. On its western hillside, there is the Mazák Nature Reservation, with its rare and threatened herb species. The mountain is popular with hikers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1998 HC29 = 1999 JO108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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