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 ]  
146953 (2002 ER80)
Classification: Main-belt Asteroid          SPK-ID: 2146953
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521349866867073 5.3084e-08  
a 3.174954859106914 3.4077e-08 au
q 2.691933143885787 1.6529e-07 au
i 2.103853388821591 6.0862e-06 deg
node 64.93994248961258 0.0002052 deg
peri 1.368712459346701 0.0002073 deg
M 172.0456110747825 3.2504e-05 deg
tp 2458012.980098612224
(2017-Sep-16.48009861)
0.00017696 TDB
period 2066.354162008075
5.66
3.3267e-05
9.108e-08
d
yr
n .1742198925135628 2.8049e-09 deg/d
Q 3.65797657432804 3.9261e-08 au
  Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      6712 days (18.38 yr)  
   first obs. used      2000-11-24  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5671  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:32:45  

Additional Information
 Earth MOID = 1.70571 au 
 Jupiter MOID = 1.64917 au 
 T_jup = 3.182 
[ 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 15.6   n/a MPO257680  

146953 (2002 ER80)          Discovered 2002-Mar-12 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 ER80 = 2005 SY30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-06 14:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin