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6508 Rolcik (1982 QM)
Classification: Main-belt Asteroid          SPK-ID: 2006508
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2129629314963559 3.6578e-08  
a 2.700332847936007 1.0342e-08 au
q 2.125262048623651 9.6646e-08 au
i 6.198415903456278 3.9645e-06 deg
node 151.2773559481506 3.3636e-05 deg
peri 212.1755415898126 3.4599e-05 deg
M 208.4230219026198 9.1583e-06 deg
tp 2459882.925300593635
(2022-Oct-30.42530059)
4.2945e-05 TDB
period 1620.781145642557
4.44
9.3109e-06
2.549e-08
d
yr
n .2221151208279132 1.276e-09 deg/d
Q 3.275403647248362 1.2544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2075  
   data-arc span      28581 days (78.25 yr)  
   first obs. used      1942-09-11  
   last obs. used      2020-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:31:42  

Additional Information
 Earth MOID = 1.12393 au 
 Jupiter MOID = 2.18559 au 
 T_jup = 3.326 
[ 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 13.7   n/a MPO458896  
diameter diameter 11.751 km 0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.12693 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.052   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6508 Rolčík           Discovered 1982 Aug. 22 by A. Mrkos at Klet.
Viktor Rolčík (1884-1954) was a Czech optician and telescope maker. The 0.31-m reflector, the main telescope of the České Budějovice Observatory, was made by Rolčík in 1937. The name was suggested by J. Ticha and 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: 20000726/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1982 QM = 1942 RE1 = 1969 VU1 = 1982 SL2 = 1991 RJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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