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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112555690025762 8.1373e-08  
a 2.635503595259562 2.2409e-08 AU
q 2.342289143160624 2.2245e-07 AU
i 13.90218364099492 9.1739e-06 deg
node 59.27218308231226 3.4664e-05 deg
peri 71.2591034339581 5.9638e-05 deg
M 51.92928196320392 4.4488e-05 deg
tp 2456775.074177384520
(2014-Apr-27.57417738)
0.00019303 JED
period 1562.765612647531
4.28
1.9932e-05
5.457e-08
d
yr
n .2303608404782548 2.9381e-09 deg/d
Q 2.9287180473585 2.4902e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      27086 days (74.16 yr)  
   first obs. used      1940-11-29  
   last obs. used      2015-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50049  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:07:33  

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 LCDB (Rev. 2015-Feb); 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 (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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