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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1928-Aug-09 22:19 00:02 Jupiter 1.91880911412294 1.91880866596147 1.91880956228486 4.26914470176618 4.16446080131389 2425468.429774453 1.63359443582645 85.6373373991756 14.6463384833618 -81.3416107710661 3175221.53928117 T 39 CATAB v2.0f-lin.ifort 2020-Jun-23 15:38:10 2020-Jun-23 15:38
1975-Aug-22 07:06 < 00:01 Jupiter 1.96195644724893 1.96195602387404 1.96195687062394 4.49921736188189 4.4022164941718 2442646.796088646 0.715578582207891 68.603867527429 16.7095508541446 -81.8034680023796 3735673.44510228 T 39 CATAB v2.0f-lin.ifort 2020-Jun-23 15:38:10 2020-Jun-23 15:38
2060-May-17 16:43 < 00:01 Jupiter 1.97777522430717 1.97777475419991 1.97777569441466 3.34203621385865 3.21133388580995 2473597.196793912 0.987833769976457 47.9588100233359 10.7356689829168 -65.5174611036163 3709140.09850476 T 39 CATAB v2.0f-lin.ifort 2020-Jun-23 15:38:10 2020-Jun-23 15:38
2107-May-20 00:51 00:02 Jupiter 1.94264795669552 1.94264746244741 1.94264845094385 3.683040962081 3.56269026086271 2490764.535707623 1.91228277017726 57.4548492854329 13.9905191663779 -67.0740610492599 3235645.01590733 T 39 CATAB v2.0f-lin.ifort 2020-Jun-23 15:38:10 2020-Jun-23 15:38
2154-May-26 11:39 00:03 Jupiter 1.93033413647628 1.93033373230669 1.93033454064586 4.02054438641019 3.90988306203892 2507937.985735481 2.79863309890195 50.2818768816249 19.284630497926 -81.3555961303704 2594566.89467336 T 39 CATAB v2.0f-lin.ifort 2020-Jun-23 15:38:10 2020-Jun-23 15:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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