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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029087927300048 6.0683e-08  
a 3.223123162747938 2.0407e-08 au
q 2.891435449249434 1.9642e-07 au
i 17.40273505556835 5.5934e-06 deg
node 183.9007671107626 1.5534e-05 deg
peri 24.26656126964554 2.6973e-05 deg
M 15.54570011962225 1.9958e-05 deg
tp 2458909.231363243141
(2020-Feb-29.73136324)		 0.00011743 TDB
period 2113.556094588266
5.79		 2.0072e-05
5.495e-08		 d
yr
n .170329049189551 1.6176e-09 deg/d
Q 3.554810876246443 2.2507e-08 au
   Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      8482 days (23.22 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:25:08  

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 14.46   n/a E2021B10  

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 2021-Feb-27 23:16 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin