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4611 Vulkaneifel (1989 GR6)
Classification: Main-belt Asteroid          SPK-ID: 2004611
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1946503948314565 5.3987e-08  
a 2.613583715740871 2.0855e-08 AU
q 2.104848613546845 1.4346e-07 AU
i 13.7819619656152 6.6057e-06 deg
node 116.3345695123707 2.6942e-05 deg
peri 273.8871761521867 3.3444e-05 deg
M 215.982338275938 2.3875e-05 deg
tp 2457617.899544660367
(2016-Aug-17.39954466)
0.00010658 JED
period 1543.309573402115
4.23
1.8472e-05
5.057e-08
d
yr
n .2332649302540163 2.792e-09 deg/d
Q 3.122318817934896 2.4914e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      17809 days (48.76 yr)  
   first obs. used      1965-09-27  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51545  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:04:01  

Additional Information
 Earth MOID = 1.16303 AU 
 T_jup = 3.341 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.9 mag n/a MPO302091  
rotation period rot_per 3.756 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Hanowell, J. (2013) Minor Planet Bul. 40, 157.]
[Odden, C.; Carrolo, E.; Freund, G.; Carroll, C.; et al. (2013) Minor Planet Bul. 40, 157-158.]
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4611 Vulkaneifel (1989 GR6)          Discovered 1989-Apr-05 by Geffert, M. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1989 GR6 = 1965 SL = 1975 AC1 = 1975 BD = 1980 DN1 = 1980 FW11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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