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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06516365773397222 2.8339e-08  
a 3.018591723538123 1.3272e-08 au
q 2.821889245626883 8.9978e-08 au
i 10.45659535066331 4.354e-06 deg
node 23.56377606822706 1.6716e-05 deg
peri 268.2911361455171 4.0258e-05 deg
M 270.8692917247088 3.8247e-05 deg
tp 2459474.774581159440
(2021-Sep-17.27458116)
0.00020429 TDB
period 1915.600723042054
5.24
1.2633e-05
3.459e-08
d
yr
n .1879306035280175 1.2394e-09 deg/d
Q 3.215294201449362 1.4137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2586  
   data-arc span      18102 days (49.56 yr)  
   first obs. used      1970-11-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:37:48  

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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