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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918280964584793 3.9299e-08  
a 2.614623543876008 8.5593e-09 au
q 2.11306528649875 1.0414e-07 au
i 13.79680192761203 3.0612e-06 deg
node 116.2173819178654 1.7897e-05 deg
peri 274.2266541848315 1.9799e-05 deg
M 8.500268293984718 7.5413e-06 deg
tp 2459164.037846840294
(2020-Nov-10.53784684)
3.2381e-05 TDB
period 1544.230685845902
4.23
7.5829e-06
2.076e-08
d
yr
n .2331257909195079 1.1448e-09 deg/d
Q 3.116181801253266 1.0201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2871  
   data-arc span      20202 days (55.31 yr)  
   first obs. used      1965-09-27  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:19:05  

Additional Information
 Earth MOID = 1.17038 au 
 Jupiter MOID = 2.46081 au 
 T_jup = 3.341 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.97   n/a E2021B10  
diameter diameter 11.266 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.756 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Hanowell, J. (2013) Minor Planet Bull. 40, 157.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Odden, C.; Carrolo, E.; Freund, G.; Carroll, C.; et al. (2013) Minor Planet Bull. 40, 157-158.]
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.278   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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