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JPL Small-Body Database Browser
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2578 Saint-Exupery (1975 VW3)
Classification: Main-belt Asteroid          SPK-ID: 2002578
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09692574527876925 4.1371e-08  
a 3.000500323497527 1.5504e-08 au
q 2.70967459343334 1.2603e-07 au
i 10.57060332502047 4.4128e-06 deg
node 55.70215322430713 2.4404e-05 deg
peri 335.7346258356062 3.2844e-05 deg
M 207.4239350952143 2.3854e-05 deg
tp 2459805.086706447121
(2022-Aug-13.58670645)
0.00012883 TDB
period 1898.405326561011
5.20
1.4714e-05
4.028e-08
d
yr
n .1896328433992256 1.4698e-09 deg/d
Q 3.291326053561713 1.7007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2238  
   data-arc span      24811 days (67.93 yr)  
   first obs. used      1952-05-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47208  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:42:04  

Additional Information
 Earth MOID = 1.72027 au 
 Jupiter MOID = 2.12683 au 
 T_jup = 3.220 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.5   n/a MPO337269  
diameter diameter 17.014 km 0.485 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.146 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Salvaggio, F.; Banfi, M.; Marchini, A.; Papini, R. (2018) Minor Planet Bull. 45, 171-173.]
geometric albedo albedo 0.168   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2578 Saint-Exupery (1975 VW3)          Discovered 1975-Nov-02 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1975 VW3 = 1952 HG2 = 1980 TA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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