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JPL Small-Body Database Browser
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39415 Janeausten (4231 T-1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2039415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054456424393702 4.7578e-08  
a 3.945831591552417 5.4131e-08 au
q 3.135177685268368 2.0595e-07 au
i 2.380981497957726 5.4152e-06 deg
node 123.4385455122441 0.00013114 deg
peri 162.9267907958464 0.0001321 deg
M 347.6581727032839 2.064e-05 deg
tp 2458698.648396650867
(2019-Aug-03.14839665)
0.00016543 TDB
period 2862.900439687218
7.84
5.8913e-05
1.613e-07
d
yr
n .1257466012472761 2.5876e-09 deg/d
Q 4.756485497836467 6.5253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      17277 days (47.30 yr)  
   first obs. used      1971-03-24  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59076  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 19:33:00  

Additional Information
 Earth MOID = 2.11825 au 
 Jupiter MOID = .436237 au 
 T_jup = 3.022 
[ 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 13.2   n/a MPO365715  
diameter diameter 9.036 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.117   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

39415 Janeausten           Discovered 1971 Mar. 26 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Jane Austen (1775-1817) was one of the greatest English novelists. Her novel Pride and Prejudice has been made into a motion picture several times.
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
 4231 T-1 = 2001 DR90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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