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 ]  
90656 (2399 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2090656
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861104187904513 3.6931e-08  
a 2.279666872315924 8.6956e-09 au
q 1.855397116006489 8.4152e-08 au
i 5.715627597057321 3.8904e-06 deg
node 233.8657290213925 4.259e-05 deg
peri 58.6232637734848 4.4039e-05 deg
M 206.7393675939053 1.1007e-05 deg
tp 2459535.721587276906
(2021-Nov-17.22158728)
3.8896e-05 TDB
period 1257.20329085647
3.44
7.1932e-06
1.969e-08
d
yr
n .2863498708747015 1.6384e-09 deg/d
Q 2.703936628625359 1.0314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      15453 days (42.31 yr)  
   first obs. used      1977-10-12  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59127  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:15:37  

Additional Information
 Earth MOID = .847039 au 
 Jupiter MOID = 2.48392 au 
 T_jup = 3.577 
[ 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 16.1   n/a MPO302514  

90656 (2399 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2399 T-3 = 2001 SS100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-20 11:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin