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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06865924995135719 3.2819e-08  
a 2.553888895524495 7.2738e-09 au
q 2.378540799498683 8.2943e-08 au
i 7.367767318865839 3.9002e-06 deg
node 49.10635482955462 2.8502e-05 deg
peri 210.6273664104049 4.1436e-05 deg
M 62.25302182699151 2.9636e-05 deg
tp 2458742.713978970921
(2019-Sep-16.21397897)
0.00012284 TDB
period 1490.738358506976
4.08
6.3687e-06
1.744e-08
d
yr
n .2414910691374118 1.0317e-09 deg/d
Q 2.729236991550307 7.7732e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3017  
   data-arc span      44556 days (121.99 yr)  
   first obs. used      1898-11-12  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:53:39  

Additional Information
 Earth MOID = 1.36697 au 
 Jupiter MOID = 2.29539 au 
 T_jup = 3.424 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456495.5 (2013-Jul-22.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0676968806620902 3.3042e-08  
q 2.382499420764154 8.3348e-08 au
tp 2455757.397989831120
(2011-Jul-14.89798983)
0.00012645 TDB
node 49.24361538959894 2.8422e-05 deg
peri 210.0072823944814 4.1601e-05 deg
i 7.37754094408496 3.9043e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3017  
   data-arc span      44556 days (121.99 yr)  
   first obs. used      1898-11-12  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:53:39  

Additional Information
 Jupiter MOID = 2.29539 au 
 T_jup = 3.424 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.091798878978633E-15 -2.745396718421119E-15 -7.303873159442749E-13 1.22288834408496E-15 -1.789377428653E-13 1.536789476681721E-15
q -2.745396718421119E-15 6.946949494167716E-15 1.702529787071445E-12 -2.290122574032914E-15 4.224585617587026E-13 -3.901056857466929E-15
tp -7.303873159442749E-13 1.702529787071445E-12 1.598992527330516E-8 -4.655756214627109E-11 3.854937737109712E-9 -1.427977552854705E-12
node 1.22288834408496E-15 -2.290122574032914E-15 -4.655756214627109E-11 8.078041542365562E-10 -8.116795656420923E-10 -1.474974861279504E-11
peri -1.789377428653E-13 4.224585617587026E-13 3.854937737109712E-9 -8.116795656420923E-10 1.730615263876091E-9 1.427537479238285E-11
i 1.536789476681721E-15 -3.901056857466929E-15 -1.427977552854705E-12 -1.474974861279504E-11 1.427537479238285E-11 1.524332388455735E-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. 2020-October); 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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