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3779 Kieffer (1985 JV1)
Classification: Main-belt Asteroid          SPK-ID: 2003779
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110699167587468 6.101e-08  
a 2.635844432974471 1.7776e-08 au
q 2.34308141121499 1.607e-07 au
i 13.90094858227312 9.0621e-06 deg
node 59.26982509270422 2.6992e-05 deg
peri 71.32783639878568 5.2021e-05 deg
M 144.014605576531 4.3086e-05 deg
tp 2456775.209072456117
(2014-Apr-27.70907246)
0.0001855 JED
period 1563.068780521533
4.28
1.5812e-05
4.329e-08
d
yr
n .2303161604186622 2.3298e-09 deg/d
Q 2.928607454733952 1.975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1066  
   data-arc span      27286 days (74.70 yr)  
   first obs. used      1940-11-29  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4731  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:10:22  

Additional Information
 Earth MOID = 1.40017 au 
 Jupiter MOID = 2.26297 au 
 T_jup = 3.347 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.5 mag n/a MPO337282  
rotation period rot_per 2.848 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Ditteon, R.; Tollefson, E.R.; Gross, J. (2002) Minor Planet Bul. 29, 72.]

3779 Kieffer (1985 JV1)          Discovered 1985-May-13 by Shoemaker, C. and Shoemaker, E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 JV1 = 1940 WD = 1959 GK = 1978 TH = 1987 WW5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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