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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109098421725103 6.0363e-08  
a 2.636247645096918 1.7637e-08 au
q 2.343861834851567 1.5887e-07 au
i 13.90019926684873 8.9641e-06 deg
node 59.26427543087008 2.6457e-05 deg
peri 71.36465153033171 5.1397e-05 deg
M 190.0377026310182 4.2844e-05 deg
tp 2458338.621449781594
(2018-Aug-08.12144978)
0.00018827 JED
period 1563.427454410655
4.28
1.5689e-05
4.295e-08
d
yr
n .2302633224102519 2.3107e-09 deg/d
Q 2.928633455342269 1.9593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      27535 days (75.39 yr)  
   first obs. used      1940-11-29  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47919  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:45:27  

Additional Information
 Earth MOID = 1.39964 au 
 Jupiter MOID = 2.26252 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. 2016-February); 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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