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 ]  
123936 (2001 EA15)
Classification: Main-belt Asteroid          SPK-ID: 2123936
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2480580617476703 5.7332e-08  
a 3.077465588268383 2.8263e-08 au
q 2.314075439347374 1.8345e-07 au
i 15.46683100813688 7.254e-06 deg
node 50.82621827639768 2.5103e-05 deg
peri 76.49958197976596 3.1874e-05 deg
M 225.9801887812396 1.5546e-05 deg
tp 2459734.599175135910
(2022-Jun-04.09917514)
8.7027e-05 TDB
period 1971.91520153353
5.40
2.7165e-05
7.437e-08
d
yr
n .1825636313975536 2.515e-09 deg/d
Q 3.840855737189393 3.5274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1996-04-18  
   last obs. used      2017-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54452  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 11:02:57  

Additional Information
 Earth MOID = 1.38614 au 
 Jupiter MOID = 1.66368 au 
 T_jup = 3.127 
[ 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 MPO359603  
rotation period rot_per 4.468 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

123936 (2001 EA15)          Discovered 2001-Mar-15 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 EA15 = 1999 TQ217 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 17:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin