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 ]  
46641 (1995 EY)
Classification: Main-belt Asteroid          SPK-ID: 2046641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2729122703617148 3.8235e-08  
a 2.637809518672646 1.1463e-08 au
q 1.917918934149952 1.0465e-07 au
i 4.457122476891198 4.2451e-06 deg
node 324.6948492811726 4.603e-05 deg
peri 143.4465959284086 4.6878e-05 deg
M 355.3144663925562 7.7681e-06 deg
tp 2459020.866674848723
(2020-Jun-20.36667485)
3.3827e-05 TDB
period 1564.817064569121
4.28
1.02e-05
2.793e-08
d
yr
n .2300588408390904 1.4997e-09 deg/d
Q 3.357700103195339 1.4592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1138  
   data-arc span      23480 days (64.28 yr)  
   first obs. used      1955-10-24  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4869  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:32:02  

Additional Information
 Earth MOID = .93678 au 
 Jupiter MOID = 1.7912 au 
 T_jup = 3.338 
[ 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 15.0   n/a MPO502466  

46641 (1995 EY)          Discovered 1995-Mar-05 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ 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
1936-Oct-01 12:16 00:02 Jupiter 1.98953365567646 1.98953258236759 1.98953472898713 1.37262740301761 1.01618282724589 2428443.010823381 1.49652598919249 252.277348915844 77.1134798447491 49.7809763072043 3322589.61021978 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 08:32:20 2020-Feb-23 08:32
1950-May-19 23:50 00:01 Jupiter 1.89738182172887 1.89738107453358 1.8973825689235 1.82801752240078 1.56486903617313 2433421.493101310 1.23918280901659 192.698525176989 35.5815531884277 77.553461406665 1682096.0269673 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 08:32:20 2020-Feb-23 08:32
1997-Mar-10 18:28 < 00:01 Jupiter 1.79235842663835 1.79235806575525 1.79235878753307 1.48886249795067 1.12763600169538 2450518.269560671 0.338694239784861 688.061554635168 43.1221505226247 77.2662342648063 5345626.77844875 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 08:32:20 2020-Feb-23 08:32
2044-Jan-05 04:30 < 00:01 Jupiter 1.85491286423872 1.85491255698455 1.85491317149374 1.36632096239993 0.976503072011803 2467619.687669383 0.613896230747003 458.708627876138 57.0984883316279 61.7938260524453 5589265.6899583 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 08:32:20 2020-Feb-23 08:32
2104-Jun-11 00:26 00:02 Jupiter 1.84483749182541 1.84483660285558 1.84483838079535 1.67563150619179 1.3745830184988 2489691.518135810 1.7524288460055 358.309853871179 48.1513560750545 76.6712526071255 1589774.05676164 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 08:32:20 2020-Feb-23 08:32
2151-Apr-06 00:57 00:03 Jupiter 1.78174796404329 1.78174762305196 1.78174830503775 1.45395051409921 1.0785152158078 2506791.539483462 2.54860663769288 783.494668956426 70.2272862132048 75.6434735066724 4403494.83707775 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 08:32:20 2020-Feb-23 08:32
2198-Jan-27 19:36 00:04 Jupiter 1.9027971086401 1.90279512291066 1.90279909436911 1.41552066392086 1.05518091159887 2523890.316841879 3.54238347998857 279.764313582646 93.1829495148592 57.3653313073441 2848632.66165081 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 08:32:20 2020-Feb-23 08:32

Alternate Designations
 1995 EY = 1991 GH14 = 1998 XS46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-12 18:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin