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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351104614480955 4.9543e-08  
a 2.175223530800513 6.3464e-09 au
q 1.8813280758013 1.0842e-07 au
i 5.1636044302775 5.1979e-06 deg
node 338.7765752224399 4.4828e-05 deg
peri 5.087037807693098 4.7186e-05 deg
M 334.5989399198506 1.5476e-05 deg
tp 2459479.180597566241
(2021-Sep-21.68059757)
5.0483e-05 TDB
period 1171.802083453507
3.21
5.1282e-06
1.404e-08
d
yr
n .307219115824591 1.3445e-09 deg/d
Q 2.469118985799726 7.2038e-09 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      17490 days (47.89 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:41  

Additional Information
 Earth MOID = .872695 au 
 Jupiter MOID = 2.90405 au 
 T_jup = 3.668 
[ 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 16.57   n/a E2021B10  

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 ]
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