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 ]  
100558 (1997 GE9)
Classification: Main-belt Asteroid          SPK-ID: 2100558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1623718708289028 2.8502e-08  
a 2.358466665911334 8.8878e-09 au
q 1.975518021079706 6.8178e-08 au
i 1.816655169108521 3.4994e-06 deg
node 289.3045735188917 0.00013454 deg
peri 12.92901929753635 0.0001352 deg
M 106.9932785800844 1.4406e-05 deg
tp 2458807.314914632373
(2019-Nov-19.81491463)
5.2288e-05 TDB
period 1322.94881146574
3.62
7.4782e-06
2.047e-08
d
yr
n .2721193721782355 1.5382e-09 deg/d
Q 2.741415310742962 1.0331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      8689 days (23.79 yr)  
   first obs. used      1997-04-03  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:43  

Additional Information
 Earth MOID = .958149 au 
 Jupiter MOID = 2.47273 au 
 T_jup = 3.534 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO436468  
diameter diameter 3.413 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100558 (1997 GE9)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 GE9 = 2000 AE228 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 15:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin