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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 
[ 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. 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1931-Mar-31 00:32 00:01 Jupiter 1.96651936367335 1.96651876452192 1.96651996282847 4.30333853103449 4.20205653949249 2426431.522468479 1.29636058992653 154.736791497526 11.6647330008475 -80.1246959498576 4388186.17772183 T 38 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:32 2020-Dec-18 01:53
1966-Feb-28 18:41 < 00:01 Jupiter 1.90856398934536 1.90856366898888 1.90856430970196 4.14049196401229 4.03188191787002 2439185.278683145 0.751644547078407 95.8430311639502 13.9442491691779 -86.8626485036607 4132557.31358039 T 38 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:32 2020-Dec-18 01:53
2001-Jan-19 12:25 < 00:01 Jupiter 1.9628240550412 1.9628236748444 1.96282443523799 3.78471594962488 3.66892486599757 2451929.017569427 0.252736169019947 94.2558311425134 17.6219142484124 -87.2452252913428 4195094.98914467 T 38 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:32 2020-Dec-18 01:53
2097-Feb-15 21:07 00:01 Jupiter 1.93690326738253 1.93690286858412 1.93690366618325 4.27356499313005 4.16998112155225 2487020.379533505 1.29044796964923 145.726558650232 11.9724215505096 -84.1489296020405 4419734.4064815 T 38 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:32 2020-Dec-18 01:53
2132-Jan-18 06:10 00:02 Jupiter 1.90743325082051 1.90743284213639 1.90743365950551 4.11547947371434 4.00612571172253 2499773.757271595 1.87293276385856 143.863354258443 18.2329670105105 86.0832689508404 4178921.00743554 T 38 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:32 2020-Dec-18 01:53

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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