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438 Zeuxo (A898 VG)
Classification: Main-belt Asteroid          SPK-ID: 2000438
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06865920948113512 4.1809e-08  
a 2.553888903489385 8.2746e-09 au
q 2.378540910273161 1.0843e-07 au
i 7.367773120470371 4.5309e-06 deg
node 49.10639506375696 3.0261e-05 deg
peri 210.6273061976307 4.2603e-05 deg
M 62.25303477313485 2.976e-05 deg
tp 2458742.713924155772
(2019-Sep-16.21392416)
0.00012332 TDB
period 1490.738365480792
4.08
7.245e-06
1.984e-08
d
yr
n .2414910680076936 1.1737e-09 deg/d
Q 2.72923689670561 8.8428e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2546  
   data-arc span      44110 days (120.77 yr)  
   first obs. used      1898-11-12  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43286  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:08:42  

Additional Information
 Earth MOID = 1.36697 au 
 Jupiter MOID = 2.29539 au 
 T_jup = 3.424 
[ 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 10.0   n/a MPO492754 IRAS observations used: 25
diameter diameter 58.871 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.831 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Cooney, W.R.; Gross, J. (2003) Minor Planet Bull. 30, 3.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.061   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.611   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=12.61 deg.
U-B UB 0.200   0.042 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=12.61 deg.
Tholen spectral type spec_T F:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

438 Zeuxo (A898 VG)          Discovered 1898-Nov-08 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A898 VG = A902 UC = A912 BC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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