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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
183984 (2004 EQ45)
Classification: Main-belt Asteroid          SPK-ID: 2183984
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0690770368277068 5.2175e-08  
a 2.73800635803267 2.3714e-08 au
q 2.548872992004351 1.3824e-07 au
i 4.779167346403987 7.4298e-06 deg
node 1.37854846570535 7.1448e-05 deg
peri 256.7731886594581 9.4419e-05 deg
M 42.71855831289979 6.0185e-05 deg
tp 2458404.134950215924
(2018-Oct-12.63495022)
0.00027708 TDB
period 1654.817501201125
4.53
2.1498e-05
5.886e-08
d
yr
n .2175466477352936 2.8262e-09 deg/d
Q 2.927139724060988 2.5352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6641 days (18.18 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56122  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:44:06  

Additional Information
 Earth MOID = 1.53899 au 
 Jupiter MOID = 2.11604 au 
 T_jup = 3.343 
[ 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 16.3   n/a MPO440026  

183984 (2004 EQ45)          Discovered 2004-Mar-15 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ 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
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin