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 ]  
305844 (2009 EQ1)
Classification: Main-belt Asteroid          SPK-ID: 2305844
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586726392665223 1.3244e-07  
a 2.463777138402916 3.3946e-08 au
q 2.072843117288006 3.4678e-07 au
i 9.690142925054221 9.0927e-06 deg
node 143.0685927744875 5.2677e-05 deg
peri 257.2465831373983 6.8395e-05 deg
M 351.0019460446292 6.0063e-05 deg
tp 2458635.805848288821
(2019-Jun-01.30584829)
0.00023626 TDB
period 1412.53936095695
3.87
2.9193e-05
7.993e-08
d
yr
n .2548601546622472 5.2671e-09 deg/d
Q 2.854711159517827 3.9332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      8416 days (23.04 yr)  
   first obs. used      1995-07-27  
   last obs. used      2018-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:02:43  

Additional Information
 Earth MOID = 1.10468 au 
 Jupiter MOID = 2.61065 au 
 T_jup = 3.451 
[ 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 16.5   n/a MPO455253  

305844 (2009 EQ1)          Discovered 2009-Mar-02 by Calvin College at Calvin-Rehoboth
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 EQ1 = 2003 UA148 
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