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JPL Small-Body Database Browser
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39429 Annebronte (4223 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2039429
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223373484607133 4.7031e-08  
a 2.430794945392805 1.0095e-08 au
q 2.133417937121744 1.1727e-07 au
i 11.29280753334348 4.0433e-06 deg
node 171.5686796346226 1.8778e-05 deg
peri 14.26951185240396 2.3431e-05 deg
M 298.9495848326864 1.4683e-05 deg
tp 2459235.250774980845
(2021-Jan-20.75077498)
5.7005e-05 TDB
period 1384.270340529166
3.79
8.6232e-06
2.361e-08
d
yr
n .2600648077617429 1.62e-09 deg/d
Q 2.728171953663865 1.133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      16926 days (46.34 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:26:02  

Additional Information
 Earth MOID = 1.13771 au 
 Jupiter MOID = 2.2303 au 
 T_jup = 3.471 
[ 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 15.2   n/a MPO452716  

39429 Annebrontë           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Anne Brontë (1820-1849) was the third, last and least well known of the literary sisters from northern England.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 4223 T-2 = 1998 EV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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