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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2184065049741165 3.2561e-08  
a 2.226509547117232 5.3661e-09 au
q 1.740225378639855 7.1828e-08 au
i 4.406864904576024 2.8666e-06 deg
node 152.5337977765444 4.7252e-05 deg
peri 226.7997978512094 4.7804e-05 deg
M 137.3764947939225 6.9918e-06 deg
tp 2458737.431542302832
(2019-Sep-10.93154230)
2.3639e-05 TDB
period 1213.487394776325
3.32
4.3869e-06
1.201e-08
d
yr
n .2966656279658815 1.0725e-09 deg/d
Q 2.71279371559461 6.5381e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2141  
   data-arc span      33396 days (91.43 yr)  
   first obs. used      1929-08-12  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:44:11  

Additional Information
 Earth MOID = .744322 au 
 Jupiter MOID = 2.75202 au 
 T_jup = 3.610 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457008.5 (2014-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2192864112214659 3.2665e-08  
q 1.737735135873147 7.2085e-08 au
tp 2457522.726570250911
(2016-May-14.22657025)
2.4046e-05 TDB
node 152.6278535833649 4.7223e-05 deg
peri 226.4926485963419 4.7766e-05 deg
i 4.408473847905545 2.8686e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2141  
   data-arc span      33396 days (91.43 yr)  
   first obs. used      1929-08-12  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:44:11  

Additional Information
 Jupiter MOID = 2.75202 au 
 T_jup = 3.610 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.066991406832494E-15 -2.35089717656018E-15 2.046243141002044E-13 1.263630192255883E-14 2.715318432406294E-14 -1.738669237629632E-15
q -2.35089717656018E-15 5.196249487434661E-15 -4.796028938488471E-13 -2.731174200205742E-14 -7.104118639401426E-14 3.885763958260889E-15
tp 2.046243141002044E-13 -4.796028938488471E-13 5.782110598489478E-10 3.751741613141335E-12 1.835570730169373E-10 -8.944228887990404E-13
node 1.263630192255883E-14 -2.731174200205742E-14 3.751741613141335E-12 2.229982083071009E-9 -2.222227806760085E-9 6.434945729881997E-12
peri 2.715318432406294E-14 -7.104118639401426E-14 1.835570730169373E-10 -2.222227806760085E-9 2.281571459687929E-9 -6.685717026578368E-12
i -1.738669237629632E-15 3.885763958260889E-15 -8.944228887990404E-13 6.434945729881997E-12 -6.685717026578368E-12 8.22895316482449E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.32   n/a E2021B10  
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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