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 ]  
17763 (1998 EG)
Classification: Main-belt Asteroid          SPK-ID: 2017763
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 .04354183940110042 3.5988e-08  
a 2.626330173528952 1.3749e-08 au
q 2.51197492689889 9.268e-08 au
i 6.81599180449227 4.4782e-06 deg
node 137.8015460600111 3.3586e-05 deg
peri 104.8655393777723 6.2062e-05 deg
M 341.9685987857503 5.3481e-05 deg
tp 2459078.366272967268
(2020-Aug-16.86627297)
0.0002311 TDB
period 1554.613417733934
4.26
1.2208e-05
3.342e-08
d
yr
n .231568823408684 1.8184e-09 deg/d
Q 2.740685420159014 1.4348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1107  
   data-arc span      9149 days (25.05 yr)  
   first obs. used      1994-02-07  
   last obs. used      2019-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:23:28  

Additional Information
 Earth MOID = 1.50902 au 
 Jupiter MOID = 2.26754 au 
 T_jup = 3.391 
[ 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 14.8   n/a MPO337408  

17763 (1998 EG)          Discovered 1998-Mar-01 by ODAS at Caussols
Reference: 20001013/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
2019-Jul-04 08:23 < 00:01 Hebe 0.0312068110002196 0.0312051457676427 0.0312084763172023 4.73765158726949 4.73765154522152 2458668.849617560 0.55919046300557 129.304685314997 47.9986479368829 -55.6695301244822 82821.1087107324 T 19 CATAB v2.0e-lin.ifort 2019-Jul-12 22:23:34 2019-Jul-12 22:23

Alternate Designations
 1998 EG = 1994 CS12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-18 07:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin