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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1855472627160935 3.5073e-08  
a 2.471660834707696 8.2017e-09 au
q 2.013050932465108 8.9414e-08 au
i 4.540529851944279 4.0547e-06 deg
node 359.0648492502331 3.6822e-05 deg
peri 43.12290923377037 3.831e-05 deg
M 295.7230272350137 1.1039e-05 deg
tp 2459253.916363591671
(2021-Feb-08.41636359)		 4.3816e-05 TDB
period 1419.324634757802
3.89		 7.0646e-06
1.934e-08		 d
yr
n .2536417611474993 1.2625e-09 deg/d
Q 2.930270736950284 9.7236e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      11370 days (31.13 yr)  
   first obs. used      1989-09-24  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50101  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:57:00  

Additional Information
 Earth MOID = 1.02411 au 
 Jupiter MOID = 2.4949 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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