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JPL Small-Body Database Browser
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1861 Komensky (1970 WB)
Classification: Main-belt Asteroid          SPK-ID: 2001861
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06516365465478272 3.0149e-08  
a 3.018591722053593 1.4061e-08 au
q 2.821889253533907 9.3862e-08 au
i 10.45659458834329 4.4204e-06 deg
node 23.56376512341287 1.8641e-05 deg
peri 268.2911474271938 4.1076e-05 deg
M 270.869291826208 3.8259e-05 deg
tp 2459474.774580269481
(2021-Sep-17.27458027)
0.00020438 TDB
period 1915.600721628929
5.24
1.3385e-05
3.665e-08
d
yr
n .1879306036666526 1.3131e-09 deg/d
Q 3.215294190573279 1.4977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2300  
   data-arc span      17969 days (49.20 yr)  
   first obs. used      1970-11-24  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46575  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:06:42  

Additional Information
 Earth MOID = 1.83179 au 
 Jupiter MOID = 1.93137 au 
 T_jup = 3.219 
[ 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 11.7   n/a MPO259348  
diameter diameter 14.815 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.158   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1861 Komensky (1970 WB)          Discovered 1970-Nov-24 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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