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JPL Small-Body Database Browser
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4019 Klavetter (1981 EK14)
Classification: Main-belt Asteroid          SPK-ID: 2004019
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283771637992878 3.0991e-08  
a 2.337630529604522 7.3785e-09 au
q 2.037532152203266 7.3468e-08 au
i 2.486028570791306 3.5223e-06 deg
node 262.5302991712392 9.0013e-05 deg
peri 146.1753009087796 9.1576e-05 deg
M 358.6752803279255 1.5829e-05 deg
tp 2458605.303786723598
(2019-May-01.80378672)
5.7406e-05 TDB
period 1305.455982084931
3.57
6.1808e-06
1.692e-08
d
yr
n .2757657132376439 1.3056e-09 deg/d
Q 2.637728907005778 8.3257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1423  
   data-arc span      23755 days (65.04 yr)  
   first obs. used      1954-11-23  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:38:27  

Additional Information
 Earth MOID = 1.04775 au 
 Jupiter MOID = 2.70197 au 
 T_jup = 3.554 
[ 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 14.7   n/a MPO298989  
diameter diameter 3.383 km 0.590 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.671 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2019) Minor Planet Bull. 46, 46-51.]
geometric albedo albedo 0.225   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4019 Klavetter (1981 EK14)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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