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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 ]

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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 .1846875451880557 1.3382e-08  
a 2.3179539282757 7.4981e-09 au
q 1.889856707403451 2.975e-08 au
i 24.34645048645579 1.1088e-06 deg
node 346.3440384776947 2.9341e-06 deg
peri 11.99326151562464 6.5951e-06 deg
M 242.1863634711315 6.0739e-06 deg
tp 2459622.340902114016
(2022-Feb-11.84090211)
2.2735e-05 TDB
period 1289.008040455775
3.53
6.2545e-06
1.712e-08
d
yr
n .279284526318943 1.3551e-09 deg/d
Q 2.74605114914795 8.8829e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2128  
   data-arc span      17707 days (48.48 yr)  
   first obs. used      1972-09-30  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38146  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:52:20  

Additional Information
 Earth MOID = .886179 au 
 Jupiter MOID = 2.70127 au 
 T_jup = 3.440 
[ 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 13.13   n/a E2021B10  
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. 2020-October); 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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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