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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104496831834692 3.3816e-08  
a 2.224241804595512 5.8884e-09 au
q 1.991815582781003 7.6565e-08 au
i 2.973504260401546 3.5333e-06 deg
node 307.5848422370036 7.2135e-05 deg
peri 117.4704869215903 7.4953e-05 deg
M 132.2007968397704 1.8612e-05 deg
tp 2458555.558415006832
(2019-Mar-13.05841501)
6.2562e-05 TDB
period 1211.633926773376
3.32
4.8114e-06
1.317e-08
d
yr
n .2971194451105316 1.1799e-09 deg/d
Q 2.45666802641002 6.5037e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2316  
   data-arc span      28158 days (77.09 yr)  
   first obs. used      1942-12-31  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46126  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:46:26  

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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