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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
85100 (2189 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2085100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989011019063729 3.3541e-08  
a 2.584137607050173 1.157e-08 au
q 2.070149789530196 8.9073e-08 au
i 3.090655053371843 3.2618e-06 deg
node 246.5417941410948 8.035e-05 deg
peri 123.989853289378 8.1257e-05 deg
M 192.6678345887496 1.5494e-05 deg
tp 2460101.759284043216
(2023-Jun-06.25928404)
6.8966e-05 TDB
period 1517.301480152168
4.15
1.019e-05
2.79e-08
d
yr
n .2372633288170892 1.5934e-09 deg/d
Q 3.098125424570151 1.3871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1046  
   data-arc span      15951 days (43.67 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53098  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:25:19  

Additional Information
 Earth MOID = 1.07115 au 
 Jupiter MOID = 2.38279 au 
 T_jup = 3.393 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.21   n/a MPO637169  
diameter diameter 2.029 km 0.476 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.297   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85100 (2189 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 2189 T-3 = 1998 WE10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-23 16:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin