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3412 Kafka (1983 AU2)
Classification: Main-belt Asteroid          SPK-ID: 2003412
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1044968357049334 3.0449e-08  
a 2.224241803905311 5.229e-09 au
q 1.991815573554573 6.8025e-08 au
i 2.973499595706023 3.0484e-06 deg
node 307.5848861306297 6.9835e-05 deg
peri 117.4704451781174 7.2009e-05 deg
M 132.2007954983142 1.7336e-05 deg
tp 2458555.558419728808
(2019-Mar-13.05841973)
5.7941e-05 TDB
period 1211.633926209406
3.32
4.2727e-06
1.17e-08
d
yr
n .2971194452488296 1.0478e-09 deg/d
Q 2.456668034256049 5.7754e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2649  
   data-arc span      28340 days (77.59 yr)  
   first obs. used      1942-12-31  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:03:18  

Additional Information
 Earth MOID = 1.00744 au 
 Jupiter MOID = 2.77519 au 
 T_jup = 3.638 
[ 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 13.4   n/a MPO452211  
diameter diameter 6.084 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.231   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3412 Kafka (1983 AU2)          Discovered 1983-Jan-10 by Kirk, R. and Rudy, D. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1983 AU2 = 1942 YB = 1977 FF3 = 1978 PA2 = 1978 QE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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