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JPL Small-Body Database Browser
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39441 (2293 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039441
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07049237399841661 5.4782e-08  
a 3.173022490067841 2.9179e-08 au
q 2.949348601992591 1.7623e-07 au
i 11.81700479164741 6.2738e-06 deg
node 3.893951841703506 2.4491e-05 deg
peri 26.33737742115548 4.9835e-05 deg
M 185.0339327271466 4.234e-05 deg
tp 2460003.866234306519
(2023-Feb-28.36623431)
0.00024544 TDB
period 2064.467985023917
5.65
2.8478e-05
7.797e-08
d
yr
n .17437906647694 2.4054e-09 deg/d
Q 3.39669637814309 3.1236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      15459 days (42.32 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:26:02  

Additional Information
 Earth MOID = 1.95765 au 
 Jupiter MOID = 1.97871 au 
 T_jup = 3.165 
[ 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 14.7   n/a MPO431945  

39441 (2293 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2293 T-3 = 1997 ET31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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