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 ]  
85078 (1509 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085078
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349059796219964 5.4908e-08  
a 2.174567542863949 8.1724e-09 au
q 1.88120537823969 1.1809e-07 au
i 5.163376225487484 5.5476e-06 deg
node 338.7800037308199 5.1222e-05 deg
peri 5.226884226803748 5.4807e-05 deg
M 212.7479825415561 2.2858e-05 deg
tp 2459479.589366925407
(2021-Sep-22.08936693)
7.6032e-05 TDB
period 1171.27204822046
3.21
6.6027e-06
1.808e-08
d
yr
n .3073581415581086 1.7327e-09 deg/d
Q 2.467929707488207 9.2749e-09 au
  Orbit Determination Parameters
   # obs. used (total)      561  
   data-arc span      17021 days (46.60 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:33:21  

Additional Information
 Earth MOID = .873416 au 
 Jupiter MOID = 2.90631 au 
 T_jup = 3.669 
[ 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 16.5   n/a MPO296712  

85078 (1509 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1509 T-2 = 2002 TA239 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 03:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin