Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1044968357315562 3.0449e-08  
a 2.224241803895672 5.2289e-09 au
q 1.991815573486726 6.8025e-08 au
i 2.973499577454468 3.0481e-06 deg
node 307.5848860238361 6.9835e-05 deg
peri 117.4704453868613 7.2008e-05 deg
M 132.2007954203131 1.7335e-05 deg
tp 2458555.558419994224
(2019-Mar-13.05841999)
5.7937e-05 TDB
period 1211.63392620153
3.32
4.2726e-06
1.17e-08
d
yr
n .2971194452507609 1.0477e-09 deg/d
Q 2.456668034304618 5.7753e-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 = 1.00744 au 
 Jupiter MOID = 2.77519 au 
 T_jup = 3.638 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456776.5 (2014-Apr-29.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038339283085615 3.0379e-08  
q 1.993783259696768 6.7849e-08 au
tp 2457343.099961904264
(2015-Nov-16.59996190)
5.7635e-05 TDB
node 307.6783602547112 6.9777e-05 deg
peri 117.3107145588992 7.1991e-05 deg
i 2.974661652345494 3.0491e-06 deg
  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
 Jupiter MOID = 2.77519 au 
 T_jup = 3.638 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.228827252923562E-16 -2.056247064286315E-15 -4.569325172729672E-13 -6.784910330461281E-15 -1.485192990556941E-13 -3.747839519525001E-16
q -2.056247064286315E-15 4.603440106997996E-15 1.06412002264103E-12 1.539541330066889E-14 3.415660381224825E-13 8.688207927486615E-16
tp -4.569325172729672E-13 1.06412002264103E-12 3.321762013484246E-9 2.50206166260212E-12 1.033189771107565E-9 -2.421952852552698E-14
node -6.784910330461281E-15 1.539541330066889E-14 2.50206166260212E-12 4.868871530412159E-9 -4.86108318011983E-9 2.134858022249323E-11
peri -1.485192990556941E-13 3.415660381224825E-13 1.033189771107565E-9 -4.86108318011983E-9 5.18273490565077E-9 -2.133871731449627E-11
i -3.747839519525001E-16 8.688207927486615E-16 -2.421952852552698E-14 2.134858022249323E-11 -2.133871731449627E-11 9.297095936726792E-12

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-23 23:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin