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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112555413321521 8.2796e-08  
a 2.635503602338819 2.2747e-08 AU
q 2.342289222377777 2.2671e-07 AU
i 13.90218410357636 9.2117e-06 deg
node 59.27218446412792 3.4802e-05 deg
peri 71.25909737446625 5.9806e-05 deg
M 51.92928264756846 4.4498e-05 deg
tp 2456775.074173505405
(2014-Apr-27.57417351)
0.00019308 JED
period 1562.765618944175
4.28
2.0232e-05
5.539e-08
d
yr
n .2303608395500925 2.9824e-09 deg/d
Q 2.928717982299861 2.5278e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      26786 days (73.34 yr)  
   first obs. used      1940-11-29  
   last obs. used      2014-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49846  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:01:56  

Additional Information
 Earth MOID = 1.39946 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 11.4 mag n/a PDS3 (MPC 28110)  
rotation period rot_per 2.848 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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 (675)
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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