Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
75 Eurydike (A862 SA)
Classification: Main-belt Asteroid          SPK-ID: 2000075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 80 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3035218982442312 3.8252e-08  
a 2.6739942967477 4.5782e-09 au
q 1.86237847190459 1.0246e-07 au
i 4.991511832303249 4.4285e-06 deg
node 359.3390466771113 3.7162e-05 deg
peri 339.336814183051 3.7506e-05 deg
M 52.00910835887809 6.1803e-06 deg
tp 2458769.763633476540
(2019-Oct-13.26363348)
2.7084e-05 TDB
period 1597.125860633334
4.37
4.1017e-06
1.123e-08
d
yr
n .2254049031910631 5.7887e-10 deg/d
Q 3.485610121590809 5.9677e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3437  
   data-arc span      56980 days (156.00 yr)  
   first obs. used      1864-02-02  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:16:28  

Additional Information
 Earth MOID = .854684 au 
 Jupiter MOID = 1.92146 au 
 T_jup = 3.307 
[ 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 9.0   n/a MPO492749 IRAS observations used: 14
magnitude slope G 0.23   n/a PDS3 (MPC 17257) Fit
diameter diameter 62.377 km 1.603 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.357 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Shevchenko, V.G.; Bel'skaya, I.N.; Krugly, Yu.N.; Chiorny, V.G.; Gaftonyuk, N.M. (2002) Icarus 155, 365-374.]
[Tungalag, N.; Shevchenko, V.G.; Lupishko, D.F. (2002) Kin. Fiz. Neb. Tel 18, 508-516; Kinematics and Physics of Celestial Bodies 18, ???-???.]
geometric albedo albedo 0.117   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.710   0.018 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.92, mean=10.25, max.=14.69) deg.
U-B UB 0.266   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.92, mean=10.25, max.=14.69) deg.
Tholen spectral type spec_T M   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Xk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

75 Eurydike (A862 SA)          Discovered 1862-Sep-22 by Peters, C. H. F. at Clinton
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
1956-Apr-24 06:01 < 00:01 Jupiter 1.90085944010317 1.90085913527945 1.90085974501062 1.36946290058326 0.992083217417458 2435587.750580134 0.400916659880876 826.346134885439 203.474663154221 -82.9546602605561 1732507.13990568 T 80 CATAB v2.0f-lin.ifort 2020-Feb-22 15:16:38 2020-Feb-22 15:16
2039-Apr-19 23:35 < 00:01 Jupiter 1.89833391247637 1.89833360890171 1.89833421613391 1.37249944881339 0.995675432444632 2465898.482459070 0.267142002958564 834.871913681172 183.599426786085 -80.9466860618204 1945092.30598998 T 80 CATAB v2.0f-lin.ifort 2020-Feb-22 15:16:38 2020-Feb-22 15:16
2122-Apr-14 22:11 < 00:01 Jupiter 1.90443644937051 1.90443614477654 1.90443675403398 1.38817272387884 1.01857639956111 2496208.424622172 0.858042853489705 852.940906533695 153.052455383044 -80.4158949104147 2244156.13129531 T 80 CATAB v2.0f-lin.ifort 2020-Feb-22 15:16:38 2020-Feb-22 15:16

Alternate Designations
 A862 SA = 1947 BC = 1958 SA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-07 10:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin