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 ]  
117688 (2005 EX268)
Classification: Main-belt Asteroid          SPK-ID: 2117688
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02448063181342124 4.568e-08  
a 2.851391731069862 2.1821e-08 au
q 2.781587859945707 1.3019e-07 au
i 2.803853583047502 5.7311e-06 deg
node 52.67653555148399 0.00010125 deg
peri 221.8925817636976 0.00015309 deg
M 343.7645473286408 0.00011445 deg
tp 2459079.813233674729
(2020-Aug-18.31323367)
0.00055912 TDB
period 1758.667571571464
4.81
2.0188e-05
5.527e-08
d
yr
n .2047004253784703 2.3498e-09 deg/d
Q 2.921195602194016 2.2355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      9685 days (26.52 yr)  
   first obs. used      1992-09-27  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:06:08  

Additional Information
 Earth MOID = 1.7661 au 
 Jupiter MOID = 2.08479 au 
 T_jup = 3.303 
[ 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 15.9   n/a MPO432680  

117688 (2005 EX268)          Discovered 2005-Mar-14 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2013-May-28 04:05 < 00:01 Inter 0.0453650177988561 0.0453631389085182 0.0453668966898235 6.34282090280705 6.34282085193079 2456440.670221919 0.536469681735484 94.1149407677253 38.7648236300605 6.18860347432431 74103.7125597251 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 03:06:18 2019-Jul-14 03:06

Alternate Designations
 2005 EX268 = 1995 FM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-20 12:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin