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 ]  
1205 Ebella (1931 TB1)
Classification: Main-belt Asteroid          SPK-ID: 2001205
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2714777710384398 4.9663e-08  
a 2.536555624835305 1.0161e-08 au
q 1.847937157689999 1.2827e-07 au
i 8.845654836885453 4.9357e-06 deg
node 23.0006522438081 2.47e-05 deg
peri 349.3050218321566 2.6553e-05 deg
M 347.7945551934486 1.0537e-05 deg
tp 2459050.528343494297
(2020-Jul-20.02834349)
4.3167e-05 TDB
period 1475.587653166067
4.04
8.8664e-06
2.427e-08
d
yr
n .2439705965467878 1.4659e-09 deg/d
Q 3.22517409198061 1.2919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1588  
   data-arc span      32546 days (89.11 yr)  
   first obs. used      1931-10-06  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:59:07  

Additional Information
 Earth MOID = .849475 au 
 Jupiter MOID = 2.23798 au 
 T_jup = 3.379 
[ 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 13.5   n/a MPO448923  
diameter diameter 5.474 km 0.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1205 Ebella (1931 TB1)          Discovered 1931-Oct-06 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1931 TB1 = 1970 JT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-19 07:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin