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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156943749812747 3.3383e-08  
a 2.933223077984612 1.0724e-08 au
q 2.593865667296531 9.7601e-08 au
i 15.3541748294104 3.7699e-06 deg
node 107.3805994819225 1.4655e-05 deg
peri 181.1002209924822 2.2589e-05 deg
M 85.24937399290459 1.8224e-05 deg
tp 2458565.985008875115
(2019-Mar-23.48500887)		 9.2559e-05 TDB
period 1834.915489443689
5.02		 1.0063e-05
2.755e-08		 d
yr
n .196194321793613 1.076e-09 deg/d
Q 3.272580488672692 1.1965e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3062  
   data-arc span      45603 days (124.85 yr)  
   first obs. used      1896-01-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:53:24  

Additional Information
 Earth MOID = 1.57752 au 
 Jupiter MOID = 1.91238 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456233.5 (2012-Nov-02.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169811563318755 3.3165e-08  
q 2.589998751731617 9.724e-08 au
tp 2456736.365089535034
(2014-Mar-19.86508953)		 9.1516e-05 TDB
node 107.4780161886833 1.4676e-05 deg
peri 182.2355509708936 2.2554e-05 deg
i 15.34415492147096 3.7676e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      3062  
   data-arc span      45603 days (124.85 yr)  
   first obs. used      1896-01-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:53:24  

Additional Information
 Jupiter MOID = 1.91238 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.099920888179867E-15 -3.20947526575819E-15 1.877220168684608E-14 4.131025725397659E-15 1.724476817720298E-15 3.490138404004982E-17
q -3.20947526575819E-15 9.455684793311883E-15 -6.669538316934504E-14 -1.244741635277313E-14 -1.238623115672697E-14 4.126281109458686E-16
tp 1.877220168684608E-14 -6.669538316934504E-14 8.375105511457311E-9 -4.28296608085432E-12 1.587719850514843E-9 2.412166370722057E-12
node 4.131025725397659E-15 -1.244741635277313E-14 -4.28296608085432E-12 2.153707284579126E-10 -2.081560413464977E-10 -2.178645131918734E-13
peri 1.724476817720298E-15 -1.238623115672697E-14 1.587719850514843E-9 -2.081560413464977E-10 5.086638608167201E-10 6.623987853863331E-13
i 3.490138404004982E-17 4.126281109458686E-16 2.412166370722057E-12 -2.178645131918734E-13 6.623987853863331E-13 1.419455083736723E-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. 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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