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JPL Small-Body Database Browser
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85466 Krastins (1997 JK15)
Classification: Main-belt Asteroid          SPK-ID: 2085466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06692504856216477 5.2536e-08  
a 2.728277992624929 2.0905e-08 au
q 2.54568785547742 1.4734e-07 au
i 4.378615957564984 7.0648e-06 deg
node 205.8045642642273 7.0043e-05 deg
peri 53.1083350357016 8.783e-05 deg
M 19.08239200317328 5.499e-05 deg
tp 2458913.250756709045
(2020-Mar-04.75075671)
0.00025118 TDB
period 1646.005782688073
4.51
1.8918e-05
5.179e-08
d
yr
n .2187112607904015 2.5137e-09 deg/d
Q 2.910868129772438 2.2304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      8013 days (21.94 yr)  
   first obs. used      1997-05-03  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59556  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:49:23  

Additional Information
 Earth MOID = 1.53366 au 
 Jupiter MOID = 2.11341 au 
 T_jup = 3.348 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO257390  
diameter diameter 4.526 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85466 Krastins           Discovered 1997 May 3 by E. W. Elst at the European Southern Observatory.
Janis Krastins (b. 1943), a Latvian architect, is a prolific and enthusiastic contemporary scholar of Riga's architecture. He has contributed more than 600 papers and several books on the subject. A graduate of Riga's Polytechnic Institute, he has lectured at Harvard University on architectural eclecticism and Art Nouveau.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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