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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 ]

[ show orbit diagram ]
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

[ 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 1.91880911956748 1.91880867009496 1.91880956904066 4.26914454585976 4.16446064178915 2425468.429808880 1.71713302909152 92.5905852059238 15.0493579265449 -82.2439703795102 3103355.64183353 T 37 CATAB v2.0f-lin.ifort 2020-Feb-22 16:06:56 2020-Feb-22 16:07
1975-Aug-22 07:06 < 00:01 Jupiter 1.96195644081538 1.96195601455691 1.96195686707407 4.49921728709764 4.40221641741813 2442646.796103772 0.750977984761274 75.4917537250558 17.0770785131629 -82.8928630778109 3704691.02038025 T 37 CATAB v2.0f-lin.ifort 2020-Feb-22 16:06:56 2020-Feb-22 16:07
2060-May-17 16:43 00:01 Jupiter 1.9777752423137 1.97777477106039 1.97777571356724 3.34203598919258 3.21133365321408 2473597.196782625 1.04568117544065 50.6708273180021 11.2714273066652 -66.9022955417021 3470630.34690259 T 37 CATAB v2.0f-lin.ifort 2020-Feb-22 16:06:56 2020-Feb-22 16:07
2107-May-20 00:51 00:02 Jupiter 1.94264797649649 1.94264748039618 1.94264847259712 3.68304084285138 3.56269013885284 2490764.535665400 2.0173339066287 61.7913209550169 14.7606493230424 -68.8498572481284 3103173.15139701 T 37 CATAB v2.0f-lin.ifort 2020-Feb-22 16:06:56 2020-Feb-22 16:07
2154-May-26 11:39 00:03 Jupiter 1.93033415811472 1.930333751375 1.93033456485444 4.02054432050381 3.90988299552523 2507937.985676808 2.94941800677624 56.2013723409857 19.3598482255889 -81.9666557655963 2435326.90841515 T 37 CATAB v2.0f-lin.ifort 2020-Feb-22 16:06:56 2020-Feb-22 16:07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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