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 ]  
180734 (2004 JE44)
Classification: Main-belt Asteroid          SPK-ID: 2180734
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169908485064745 4.8007e-08  
a 3.038128431159265 2.1476e-08 au
q 2.521924631988864 1.5512e-07 au
i 6.603240455022999 3.8293e-06 deg
node 153.1184226241661 4.4088e-05 deg
peri 124.5929899480773 4.8493e-05 deg
M 15.48502509676723 1.5637e-05 deg
tp 2459117.301205627626
(2020-Sep-24.80120563)
8.4297e-05 TDB
period 1934.227796654177
5.30
2.0509e-05
5.615e-08
d
yr
n .1861207871289655 1.9735e-09 deg/d
Q 3.554332230329666 2.5125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      10006 days (27.39 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:03:15  

Additional Information
 Earth MOID = 1.51107 au 
 Jupiter MOID = 1.63511 au 
 T_jup = 3.209 
[ 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 15.14   n/a E2021B55  
diameter diameter 5.045 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180734 (2004 JE44)          Discovered 2004-May-12 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 05:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin