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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156943783568811 3.5495e-08  
a 2.93322307700863 1.1276e-08 au
q 2.593865656532059 1.049e-07 au
i 15.35417601190114 4.0127e-06 deg
node 107.3806027117716 1.5112e-05 deg
peri 181.1002196462923 2.3254e-05 deg
M 85.24937276195675 1.842e-05 deg
tp 2458565.985015366107
(2019-Mar-23.48501537)
9.3674e-05 TDB
period 1834.915488527882
5.02
1.0581e-05
2.897e-08
d
yr
n .1961943218915336 1.1313e-09 deg/d
Q 3.272580497485202 1.2581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2822  
   data-arc span      45306 days (124.04 yr)  
   first obs. used      1896-01-08  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:26:44  

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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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 1.966519362749 1.96651876320151 1.96651996230028 4.30333874673078 4.20205676033951 2426431.522495238 1.34421390715076 159.345010121555 12.5410392401499 -80.5310008026725 4100350.90663279 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:26:57 2020-Feb-22 15:27
1966-Feb-28 18:41 < 00:01 Jupiter 1.90856399546133 1.90856366574135 1.90856432518142 4.14049218969727 4.03188214998718 2439185.278709478 0.772328398892515 99.3154723368455 14.5571573090484 -87.3804080563993 3986119.90640448 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:26:57 2020-Feb-22 15:27
2001-Jan-19 12:25 < 00:01 Jupiter 1.9628240856365 1.96282369102215 1.96282448025085 3.78471603090748 3.66892495167881 2451929.017570435 0.253908635246995 97.9223669761774 18.4973174800928 -88.1947297390331 4158491.30048749 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:26:57 2020-Feb-22 15:27
2097-Feb-15 21:06 00:01 Jupiter 1.93690324748044 1.93690279465554 1.93690370030832 4.2735651886865 4.16998132088883 2487020.379501951 1.3742426539157 158.190133230197 12.6935490886022 -83.6441407529376 4088455.09630479 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:26:57 2020-Feb-22 15:27
2132-Jan-18 06:10 00:02 Jupiter 1.9074332692591 1.90743285627126 1.90743368224792 4.1154795579948 4.00612579937507 2499773.757222422 1.98717705947532 155.551997178413 18.2963820259672 86.2780215885045 3944467.52298928 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:26:57 2020-Feb-22 15:27

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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