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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184533844483912 5.5342e-08  
a 2.318221395743211 7.8405e-09 au
q 1.890431089221856 1.2652e-07 au
i 24.34517289188588 5.3604e-06 deg
node 346.3423566408738 8.9336e-06 deg
peri 11.99064877111011 1.3304e-05 deg
M 186.3310144820634 1.129e-05 deg
tp 2459622.442962726509
(2022-Feb-11.94296273)
4.1376e-05 TDB
period 1289.231153817148
3.53
6.5405e-06
1.791e-08
d
yr
n .2792361935515706 1.4166e-09 deg/d
Q 2.746011702264567 9.2874e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2060  
   data-arc span      17426 days (47.71 yr)  
   first obs. used      1972-09-30  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:38:58  

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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