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 ]  
20248 (1998 EE10)
Classification: Main-belt Asteroid          SPK-ID: 2020248
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1512889331909704 3.2155e-08  
a 2.263241889895926 6.9295e-09 au
q 1.920838438820456 7.2936e-08 au
i 4.508745012565901 4.1165e-06 deg
node 22.47287563194591 4.6232e-05 deg
peri 269.1627034714347 4.8226e-05 deg
M 92.04208608078613 1.361e-05 deg
tp 2458682.535350850147
(2019-Jul-18.03535085)
4.696e-05 TDB
period 1243.640584085397
3.40
5.7116e-06
1.564e-08
d
yr
n .2894727018455679 1.3294e-09 deg/d
Q 2.605645340971396 7.9779e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1980  
   data-arc span      14488 days (39.67 yr)  
   first obs. used      1981-03-04  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:13:12  

Additional Information
 Earth MOID = .911275 au 
 Jupiter MOID = 2.57068 au 
 T_jup = 3.599 
[ 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 14.1   n/a MPO395197  
rotation period rot_per 5.61681 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

20248 (1998 EE10)          Discovered 1998-Mar-02 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 EE10 = 1981 EB2 = 1981 EF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-23 22:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin