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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156943768578231 3.5576e-08  
a 2.933223076865668 1.1297e-08 au
q 2.593865660802709 1.0517e-07 au
i 15.354176149298 4.0206e-06 deg
node 107.3806024432626 1.5122e-05 deg
peri 181.1002198010058 2.3272e-05 deg
M 85.24937292845306 1.8454e-05 deg
tp 2458565.985014549244
(2019-Mar-23.48501455)		 9.3843e-05 TDB
period 1834.915488393735
5.02		 1.06e-05
2.902e-08		 d
yr
n .196194321905877 1.1334e-09 deg/d
Q 3.272580492928629 1.2604e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2798  
   data-arc span      45288 days (123.99 yr)  
   first obs. used      1896-01-08  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:26:29  

Additional Information
 Earth MOID = 1.57752 au 
 Jupiter MOID = 1.91238 au 
 T_jup = 3.212 
[ show covariance matrix ]

[ 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

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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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