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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06865918337389432 4.1251e-08  
a 2.55388890593119 8.2103e-09 au
q 2.378540979222306 1.0687e-07 au
i 7.367773113737665 4.4922e-06 deg
node 49.10637919342419 3.0216e-05 deg
peri 210.6273395411137 4.2534e-05 deg
M 62.25301670393433 2.9677e-05 deg
tp 2458742.713998609537
(2019-Sep-16.21399861)
0.00012298 TDB
period 1490.738367618763
4.08
7.1887e-06
1.968e-08
d
yr
n .2414910676613546 1.1645e-09 deg/d
Q 2.729236832640074 8.774e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2611  
   data-arc span      44411 days (121.59 yr)  
   first obs. used      1898-11-12  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:14:02  

Additional Information
 Earth MOID = 1.36697 au 
 Jupiter MOID = 2.29539 au 
 T_jup = 3.424 
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Orbital Elements at Epoch 2456009.5 (2012-Mar-23.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06851344610012429 4.1603e-08  
q 2.378060689527295 1.0764e-07 au
tp 2455755.489983372561
(2011-Jul-12.98998337)
0.00012445 TDB
node 49.2477437309074 3.0111e-05 deg
peri 209.3480278913572 4.2372e-05 deg
i 7.382248465041525 4.4998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2611  
   data-arc span      44411 days (121.59 yr)  
   first obs. used      1898-11-12  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:14:02  

Additional Information
 Jupiter MOID = 2.29539 au 
 T_jup = 3.424 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.73080662514021E-15 -4.467710563352392E-15 -6.920523450216199E-13 6.1368070719268E-15 -1.423821178470654E-13 2.235438944917547E-15
q -4.467710563352392E-15 1.158707038657052E-14 1.596642329782324E-12 -1.724511589105722E-14 3.245147068307649E-13 -5.683771002222867E-15
tp -6.920523450216199E-13 1.596642329782324E-12 1.548770872176727E-8 -2.8408059214802E-11 3.724133798833447E-9 3.504687285502518E-12
node 6.1368070719268E-15 -1.724511589105722E-14 -2.8408059214802E-11 9.066531720498198E-10 -9.05237635852871E-10 6.480711011353539E-12
peri -1.423821178470654E-13 3.245147068307649E-13 3.724133798833447E-9 -9.05237635852871E-10 1.795410129130161E-9 -5.545896006734625E-12
i 2.235438944917547E-15 -5.683771002222867E-15 3.504687285502518E-12 6.480711011353539E-12 -5.545896006734625E-12 2.024821517880375E-11

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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