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 ]  
295037 (2008 ER89)
Classification: Main-belt Asteroid          SPK-ID: 2295037
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813886336476488 9.1381e-08  
a 2.333925395232635 1.9368e-08 au
q 1.910577856755839 2.1988e-07 au
i 4.688965239990299 1.0427e-05 deg
node 325.0811309579784 6.7302e-05 deg
peri 231.9345933062224 7.3903e-05 deg
M 34.46634362831816 2.666e-05 deg
tp 2458475.812879934166
(2018-Dec-23.31287993)
9.5899e-05 TDB
period 1302.353499047113
3.57
1.6211e-05
4.438e-08
d
yr
n .2764226458203549 3.4407e-09 deg/d
Q 2.757272933709431 2.2881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1997-02-14  
   last obs. used      2017-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52419  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-07 18:13:52  

Additional Information
 Earth MOID = .913935 au 
 Jupiter MOID = 2.22151 au 
 T_jup = 3.542 
[ 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 16.9   n/a MPO433901  

295037 (2008 ER89)          Discovered 2008-Mar-10 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 ER89 = 2005 NY47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 00:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin