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8604 Vanier (1929 PK)
Classification: Main-belt Asteroid          SPK-ID: 2008604
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2184064958506181 1.7384e-08  
a 2.226509545373016 5.083e-09 au
q 1.740225397590143 3.8587e-08 au
i 4.406868033094826 4.5324e-07 deg
node 152.5337963447472 1.5111e-05 deg
peri 226.7998029068901 1.5009e-05 deg
M 137.3764928088087 5.2949e-06 deg
tp 2458737.431549538393
(2019-Sep-10.93154954)
1.7696e-05 TDB
period 1213.487393350381
3.32
4.1555e-06
1.138e-08
d
yr
n .2966656283144871 1.0159e-09 deg/d
Q 2.71279369315589 6.1932e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2239  
   data-arc span      33461 days (91.61 yr)  
   first obs. used      1929-08-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:01:06  

Additional Information
 Earth MOID = .744322 au 
 Jupiter MOID = 2.75202 au 
 T_jup = 3.610 
[ 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 14.34   n/a MPCxxxxx  
diameter diameter 4.061 km 0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.491 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.246   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8604 Vanier           Discovered 1929 Aug. 12 by C. J. Krieger at Mt. Hamilton.
Jean Vanier (b. 1928) is a philosopher, theologian, author and teacher. As the founder of two global communities (L´Arche, Faith and Light) for people with intellectual disabilities, he presents a compelling vision of a fully human life, lived in compassionate community.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

Alternate Designations
 1929 PK = 1977 AZ = 1979 SO4 = 1989 TH9 = 1995 KW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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