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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153904157039849 2.0118e-08  
a 2.934550628420164 1.0012e-08 au
q 2.595931611502371 5.7542e-08 au
i 15.35312097672243 5.5028e-07 deg
node 107.3835379121947 1.89e-06 deg
peri 181.2817487298145 4.0818e-06 deg
M 162.7307576261935 6.2239e-06 deg
tp 2458566.500210215566
(2019-Mar-24.00021022)
2.9085e-05 TDB
period 1836.161329800758
5.03
9.3965e-06
2.573e-08
d
yr
n .1960612034232655 1.0033e-09 deg/d
Q 3.273169645337957 1.1167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3439  
   data-arc span      45748 days (125.25 yr)  
   first obs. used      1896-01-08  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38244  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:01:43  

Additional Information
 Earth MOID = 1.57926 au 
 Jupiter MOID = 1.91049 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 9.35   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

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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 1.96651912668704 1.9665185959607 1.96651965741685 4.30333752662065 4.20205549908291 2426431.522322256 1.23150280530074 138.745537402809 6.30571451826911 -79.6110909178818 16880904.6444956 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:54 2021-Jul-08 11:03
1966-Feb-28 18:41 < 00:01 Jupiter 1.90856387076058 1.90856368490491 1.90856405661658 4.1404906667291 4.03188057940977 2439185.278652658 0.718069028967668 68.8715689012149 7.33571680695963 -86.217891047253 20949644.1372014 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:54 2021-Jul-08 11:03
2001-Jan-19 12:25 < 00:01 Jupiter 1.96282399009347 1.96282384187098 1.96282413831608 3.78471431509021 3.66892317663495 2451929.017555793 0.219530770268355 32.8623234574857 3.66386152292319 -79.225690147193 23837540.196047 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:54 2021-Jul-08 11:03
2097-Feb-15 21:07 00:01 Jupiter 1.93690310794644 1.93690283580105 1.93690338009392 4.2735640355098 4.16998013209129 2487020.379524961 1.16808925513661 122.053991165677 6.84217876251042 -84.6898608588989 16602677.2311261 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:54 2021-Jul-08 11:03
2132-Jan-18 06:10 00:02 Jupiter 1.90743317895097 1.90743289314483 1.90743346475841 4.1154780233462 4.0061242182 2499773.757213709 1.7136560859365 115.360715288144 10.054640850259 84.2529177601963 19874067.8813532 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 11:03:54 2021-Jul-08 11:03

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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