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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115567855996971 3.2246e-08  
a 2.933912000200099 1.0397e-08 au
q 2.594846080653189 9.3619e-08 au
i 15.35392571036413 3.6397e-06 deg
node 107.3820605989455 1.4099e-05 deg
peri 181.2052263214666 2.2035e-05 deg
M 124.3792952950548 1.816e-05 deg
tp 2458566.316931240965
(2019-Mar-23.81693124)
9.1996e-05 TDB
period 1835.561973652136
5.03
9.7569e-06
2.671e-08
d
yr
n .1961252222302928 1.0425e-09 deg/d
Q 3.27297791974701 1.1598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3261  
   data-arc span      45669 days (125.03 yr)  
   first obs. used      1896-01-08  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:46:22  

Additional Information
 Earth MOID = 1.57657 au 
 Jupiter MOID = 1.91155 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456440.5 (2013-May-28.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169647963690381 3.1992e-08  
q 2.590705446185614 9.3116e-08 au
tp 2456735.891435716539
(2014-Mar-19.39143572)
9.0594e-05 TDB
node 107.4733990333297 1.4119e-05 deg
peri 182.1137022629494 2.1997e-05 deg
i 15.34416038986838 3.6373e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3261  
   data-arc span      45669 days (125.03 yr)  
   first obs. used      1896-01-08  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:46:22  

Additional Information
 Jupiter MOID = 1.91155 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.023508841401204E-15 -2.964565096272699E-15 -9.731365543296634E-14 3.744356652594358E-15 -2.753271838598548E-14 9.31181329703348E-17
q -2.964565096272699E-15 8.670584479722788E-15 3.053644519091844E-13 -1.132414195705473E-14 8.151912474504883E-14 2.206388271174393E-16
tp -9.731365543296634E-14 3.053644519091844E-13 8.207302757274744E-9 -7.817311825977889E-12 1.547264821354549E-9 1.650001301345848E-12
node 3.744356652594358E-15 -1.132414195705473E-14 -7.817311825977889E-12 1.99344073248778E-10 -1.934574745956727E-10 -4.114537490246793E-12
peri -2.753271838598548E-14 8.151912474504883E-14 1.547264821354549E-9 -1.934574745956727E-10 4.838473908155274E-10 4.267370469786024E-12
i 9.31181329703348E-17 2.206388271174393E-16 1.650001301345848E-12 -4.114537490246793E-12 4.267370469786024E-12 1.323002101076266E-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 9.35   n/a E2021B10  
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. 2020-October); 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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