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 ]  
95550 (2002 ET89)
Classification: Outer Main-belt Asteroid          SPK-ID: 2095550
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029087848914811 6.154e-08  
a 3.223123164239101 2.0599e-08 au
q 2.891435475851669 1.9958e-07 au
i 17.40273368355595 5.7363e-06 deg
node 183.9007683387539 1.5582e-05 deg
peri 24.26656026057403 2.7041e-05 deg
M 15.54569922866859 2.0081e-05 deg
tp 2458909.231368410583
(2020-Feb-29.73136841)
0.00011814 TDB
period 2113.556096055006
5.79
2.0262e-05
5.547e-08
d
yr
n .1703290490713481 1.6329e-09 deg/d
Q 3.554810852626532 2.2719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      721  
   data-arc span      8445 days (23.12 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:56:37  

Additional Information
 Earth MOID = 1.89715 au 
 Jupiter MOID = 1.41772 au 
 T_jup = 3.108 
[ 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 14.4   n/a MPO436438  

95550 (2002 ET89)          Discovered 2002-Mar-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 2002 ET89 = 1997 JB3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 15:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin