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 ]  
100542 (1997 ES25)
Classification: Main-belt Asteroid          SPK-ID: 2100542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389641764643093 3.8736e-08  
a 2.700655855588999 1.6892e-08 au
q 2.32536143870356 1.0655e-07 au
i 14.22299860904266 5.9965e-06 deg
node 29.22540700994446 1.6093e-05 deg
peri 105.3500096594009 3.0157e-05 deg
M 156.4939098692606 2.2489e-05 deg
tp 2458495.811416475955
(2019-Jan-12.31141648)
0.00010147 TDB
period 1621.07196555185
4.44
1.5209e-05
4.164e-08
d
yr
n .2220752734302254 2.0835e-09 deg/d
Q 3.075950272474439 1.9239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      8648 days (23.68 yr)  
   first obs. used      1995-09-27  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:07:25  

Additional Information
 Earth MOID = 1.38403 au 
 Jupiter MOID = 2.04952 au 
 T_jup = 3.310 
[ 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 15.2   n/a MPO474880  
diameter diameter 2.626 km 0.363 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100542 (1997 ES25)          Discovered 1997-Mar-09 by Urata, T. at Oohira
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 ES25 = 2004 TF15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-09 04:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin