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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1946503947479303 5.3986e-08  
a 2.613583715795696 2.0852e-08 AU
q 2.104848613809301 1.4345e-07 AU
i 13.78196200289965 6.6029e-06 deg
node 116.3345695284142 2.694e-05 deg
peri 273.8871760757781 3.344e-05 deg
M 215.9823383095976 2.3874e-05 deg
tp 2457617.899544535496
(2016-Aug-17.39954454)
0.00010658 JED
period 1543.309573450676
4.23
1.847e-05
5.057e-08
d
yr
n .2332649302466766 2.7916e-09 deg/d
Q 3.12231881778209 2.4911e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1045  
   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      .5116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:54:22  

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 LCDB (Rev. 2015-Feb); Warner et al., 2009 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.]
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
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
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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