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1942 Jablunka (1972 SA)
Classification: Main-belt Asteroid          SPK-ID: 2001942
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845338439374357 5.5549e-08  
a 2.318221396651321 8.09e-09 au
q 1.890431091229242 1.269e-07 au
i 24.34517341153493 5.3732e-06 deg
node 346.3423536344479 9.8242e-06 deg
peri 11.99064871790175 1.4679e-05 deg
M 186.331016431514 1.1696e-05 deg
tp 2459622.442956110588
(2022-Feb-11.94295611)
4.26e-05 TDB
period 1289.231154574688
3.53
6.7487e-06
1.848e-08
d
yr
n .2792361933874941 1.4617e-09 deg/d
Q 2.7460117020734 9.5829e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1805  
   data-arc span      17294 days (47.35 yr)  
   first obs. used      1972-09-30  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:08:27  

Additional Information
 Earth MOID = .888472 au 
 Jupiter MOID = 2.70053 au 
 T_jup = 3.440 
[ show covariance matrix ]

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 13.0   n/a MPO416727  
diameter diameter 16.766 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.91158 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.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.039   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1942 Jablunka (1972 SA)          Discovered 1972-Sep-30 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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