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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
100747 (1998 EO4)
Classification: Main-belt Asteroid          SPK-ID: 2100747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329257301252614 4.5641e-08  
a 2.150861458632622 1.0119e-08 au
q 1.864956628845597 1.0244e-07 au
i 5.046933112368634 4.4126e-06 deg
node 138.8568175722151 5.4123e-05 deg
peri 113.8595546048387 5.914e-05 deg
M 67.1246098140581 2.7164e-05 deg
tp 2459181.669293557351
(2020-Nov-28.16929356)
8.5999e-05 TDB
period 1152.171379969142
3.15
8.1309e-06
2.226e-08
d
yr
n .3124535171231572 2.205e-09 deg/d
Q 2.436766288419648 1.1464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9615 days (26.32 yr)  
   first obs. used      1995-04-08  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:32:50  

Additional Information
 Earth MOID = .857396 au 
 Jupiter MOID = 2.60092 au 
 T_jup = 3.689 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457573.5 (2016-Jul-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329076056265028 4.5602e-08  
q 1.86432956577614 1.0222e-07 au
tp 2458029.414946164330
(2017-Oct-02.91494616)
8.1221e-05 TDB
node 138.8846787203612 5.4128e-05 deg
peri 113.7722829152989 5.914e-05 deg
i 5.046836599010933 4.4127e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9615 days (26.32 yr)  
   first obs. used      1995-04-08  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:32:50  

Additional Information
 Jupiter MOID = 2.60092 au 
 T_jup = 3.689 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.07956855955046E-15 -4.648116374026211E-15 -2.135803627691506E-12 2.003044341755908E-15 -5.712556628727718E-13 -3.556169529772435E-15
q -4.648116374026211E-15 1.044971335313049E-14 4.98108847681317E-12 -5.219588164726811E-15 1.331279252344522E-12 8.179974221495339E-15
tp -2.135803627691506E-12 4.98108847681317E-12 6.596869433181754E-9 -1.108539972398064E-11 1.950731070925546E-9 7.755528128568226E-12
node 2.003044341755908E-15 -5.219588164726811E-15 -1.108539972398064E-11 2.929894113229775E-9 -2.921333864626177E-9 7.91649935613478E-11
peri -5.712556628727718E-13 1.331279252344522E-12 1.950731070925546E-9 -2.921333864626177E-9 3.497597631693511E-9 -7.66690536380739E-11
i -3.556169529772435E-15 8.179974221495339E-15 7.755528128568226E-12 7.91649935613478E-11 -7.66690536380739E-11 1.94719927396083E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.18   n/a E2021B55  

100747 (1998 EO4)          Discovered 1998-Mar-03 by Teide at Teide
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 03:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin