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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1043803384445939 3.0464e-08  
a 2.224411400676643 5.1934e-09 au
q 1.992226585834002 6.808e-08 au
i 2.973493060147512 3.0482e-06 deg
node 307.5843327536118 6.9831e-05 deg
peri 117.4239380152939 7.2009e-05 deg
M 191.6816177575779 1.7414e-05 deg
tp 2459767.065522812706
(2022-Jul-06.56552281)
5.9235e-05 TDB
period 1211.772508119842
3.32
4.2437e-06
1.162e-08
d
yr
n .2970854657848011 1.0404e-09 deg/d
Q 2.456596215519284 5.7355e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2651  
   data-arc span      28355 days (77.63 yr)  
   first obs. used      1942-12-31  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:00:30  

Additional Information
 Earth MOID = 1.00722 au 
 Jupiter MOID = 2.77506 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 13.44   n/a E2021B10  
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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