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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115484521934235 8.2734e-08  
a 2.636471992468781 2.3044e-08 AU
q 2.342377622457577 2.2686e-07 AU
i 13.90167341897799 9.2228e-06 deg
node 59.2853594582244 3.4834e-05 deg
peri 71.3378258130401 5.9732e-05 deg
M 5.777746465772839 4.4407e-05 deg
tp 2456775.404887329941
(2014-Apr-27.90488733)
0.00019287 JED
period 1563.627032570558
4.28
2.0501e-05
5.613e-08
d
yr
n .2302339320702139 3.0186e-09 deg/d
Q 2.930566362479985 2.5615e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      26778 days (73.31 yr)  
   first obs. used      1940-11-29  
   last obs. used      2014-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50049  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:55:06  

Additional Information
 Earth MOID = 1.39939 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. 2013-Sep-12) 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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