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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285988846399903 2.6299e-08  
a 2.337021560904685 6.5834e-09 au
q 2.036483194792734 6.0788e-08 au
i 2.486057181427997 3.1545e-06 deg
node 262.5249664738345 8.5497e-05 deg
peri 146.0246202487951 8.7049e-05 deg
M 164.2972744322602 1.5952e-05 deg
tp 2458604.947072682638
(2019-May-01.44707268)
5.722e-05 TDB
period 1304.945895025466
3.57
5.514e-06
1.51e-08
d
yr
n .2758735066122988 1.1657e-09 deg/d
Q 2.637559927016637 7.43e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1672  
   data-arc span      23898 days (65.43 yr)  
   first obs. used      1954-11-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52284  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:50:46  

Additional Information
 Earth MOID = 1.04628 au 
 Jupiter MOID = 2.7032 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 14.76   n/a E2021B10  
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. 2020-October); 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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