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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
59368 (1999 EP4)
Classification: Main-belt Asteroid          SPK-ID: 2059368
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2088181369570964 3.2027e-08  
a 2.546270407171733 1.3306e-08 au
q 2.014562964557144 8.2376e-08 au
i 16.3255233699342 1.1533e-05 deg
node 179.3427234367186 1.2457e-05 deg
peri 107.6965529352392 3.641e-05 deg
M 21.268800963045 3.3837e-05 deg
tp 2458912.820973901091
(2020-Mar-04.32097390)
0.0001393 TDB
period 1484.072818700555
4.06
1.1633e-05
3.185e-08
d
yr
n .2425756980814551 1.9014e-09 deg/d
Q 3.077977849786322 1.6084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1085  
   data-arc span      7362 days (20.16 yr)  
   first obs. used      1999-03-12  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:14:46  

Additional Information
 Earth MOID = 1.06645 au 
 Jupiter MOID = 2.34931 au 
 T_jup = 3.357 
[ 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 14.6   n/a MPO474474  
diameter diameter 5.148 km 1.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.127   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59368 (1999 EP4)          Discovered 1999-Mar-12 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 EP4 = 2000 SR219 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-03 01:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin