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 ]  
100539 (1997 EN13)
Classification: Main-belt Asteroid          SPK-ID: 2100539
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275882472714963 5.6136e-08  
a 3.070670169261864 3.2491e-08 au
q 2.678888744416874 1.8244e-07 au
i 5.975788619720428 6.5675e-06 deg
node 320.0914480109572 5.0164e-05 deg
peri 30.8087939810394 5.4971e-05 deg
M 350.8261407834435 2.5505e-05 deg
tp 2459446.583855300150
(2021-Aug-20.08385530)
0.00013961 TDB
period 1965.387464799353
5.38
3.1194e-05
8.54e-08
d
yr
n .1831699888432699 2.9072e-09 deg/d
Q 3.462451594106855 3.6636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      8866 days (24.27 yr)  
   first obs. used      1997-03-03  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:57:17  

Additional Information
 Earth MOID = 1.67398 au 
 Jupiter MOID = 1.96058 au 
 T_jup = 3.210 
[ 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 15.3   n/a MPO436468  
diameter diameter 3.057 km 0.651 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100539 (1997 EN13)          Discovered 1997-Mar-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 EN13 = 2000 UL97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-02 13:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin