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JPL Small-Body Database Browser
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58265 (1993 TJ12)
Classification: Main-belt Asteroid          SPK-ID: 2058265
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1865805381309673 3.639e-08  
a 2.471897009241756 1.0758e-08 au
q 2.0106891350531 9.2064e-08 au
i 4.541182271183222 5.2551e-06 deg
node 359.2137201480229 5.5524e-05 deg
peri 42.78022107771583 5.7942e-05 deg
M 194.6160721095565 1.8322e-05 deg
tp 2459252.630911316293
(2021-Feb-07.13091132)		 7.4542e-05 TDB
period 1419.528070644107
3.89		 9.267e-06
2.537e-08		 d
yr
n .2536054111537583 1.6556e-09 deg/d
Q 2.933104883430411 1.2765e-08 au
   Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10833 days (29.66 yr)  
   first obs. used      1989-09-24  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:55  

Additional Information
 Earth MOID = 1.0211 au 
 Jupiter MOID = 2.49153 au 
 T_jup = 3.455 
[ 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 15.0   n/a MPO337718  
diameter diameter 2.188 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.255   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58265 (1993 TJ12)          Discovered 1993-Oct-14 by Holt, H. E. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TJ12 = 1989 SC9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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