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JPL Small-Body Database Browser
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411 Xanthe (A896 AD)
Classification: Main-belt Asteroid          SPK-ID: 2000411
[ 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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156943783568811 3.5495e-08  
a 2.93322307700863 1.1276e-08 au
q 2.593865656532059 1.049e-07 au
i 15.35417601190114 4.0127e-06 deg
node 107.3806027117716 1.5112e-05 deg
peri 181.1002196462923 2.3254e-05 deg
M 85.24937276195675 1.842e-05 deg
tp 2458565.985015366107
(2019-Mar-23.48501537)		 9.3674e-05 TDB
period 1834.915488527882
5.02		 1.0581e-05
2.897e-08		 d
yr
n .1961943218915336 1.1313e-09 deg/d
Q 3.272580497485202 1.2581e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2822  
   data-arc span      45306 days (124.04 yr)  
   first obs. used      1896-01-08  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:26:44  

Additional Information
 Earth MOID = 1.57752 au 
 Jupiter MOID = 1.91238 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455959.5 (2012-Feb-02.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171115790898077 3.5354e-08  
q 2.588892612672826 1.048e-07 au
tp 2456736.858982037870
(2014-Mar-20.35898204)		 9.2926e-05 TDB
node 107.4833422578242 1.5133e-05 deg
peri 182.3688767906176 2.3174e-05 deg
i 15.34532909941151 4.0108e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2822  
   data-arc span      45306 days (124.04 yr)  
   first obs. used      1896-01-08  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:26:44  

Additional Information
 Jupiter MOID = 1.91238 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.249921038988507E-15 -3.687979418801433E-15 2.243390131929664E-13 3.177618176938431E-15 5.605314910236522E-14 -7.759354743765569E-16
q -3.687979418801433E-15 1.098281356843197E-14 -7.255336225468331E-13 -9.567640608475915E-15 -1.863913608915011E-13 3.001555256130329E-15
tp 2.243390131929664E-13 -7.255336225468331E-13 8.635193779731931E-9 3.349919726072476E-12 1.650154350749191E-9 4.678096161273493E-12
node 3.177618176938431E-15 -9.567640608475915E-15 3.349919726072476E-12 2.290084393751723E-10 -2.198217946851696E-10 4.799386562741188E-12
peri 5.605314910236522E-14 -1.863913608915011E-13 1.650154350749191E-9 -2.198217946851696E-10 5.370263739696093E-10 -3.781821195089895E-12
i -7.759354743765569E-16 3.001555256130329E-15 4.678096161273493E-12 4.799386562741188E-12 -3.781821195089895E-12 1.608639714341935E-11

[ 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 9.3   n/a MPO358628  
diameter diameter 76.53 km 2.3 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 21
rotation period rot_per 11.344 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Shevchenko, V.G.; Tungalag, N.; Chiorny, V.G.; Gaftonyuk, N.M.; et al. (2008) ACM 2008, 8106.]
[Stephens, R.D. (2008) Minor Planet Bull. 35, 178-179.]
[Shevchenko, V.G.; Tungalag, N.; Chiorny, V.G.; Gaftonyuk, N.M.; et al. (2009) Plan. Space Sci. 57, 1514-1520.]
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.0831   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 21

411 Xanthe (A896 AD)          Discovered 1896-Jan-07 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A896 AD = A906 BD = A907 GA 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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