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48557 (1993 TJ37)
Classification: Main-belt Asteroid          SPK-ID: 2048557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723352412541523 3.1504e-08  
a 2.740139409871591 1.4151e-08 au
q 2.26791682360136 9.1535e-08 au
i 3.621598286955528 3.6385e-06 deg
node 122.6389507823865 7.8274e-05 deg
peri 341.0811809768417 7.993e-05 deg
M 252.6706916766347 1.7073e-05 deg
tp 2459494.438916929331
(2021-Oct-06.93891693)
8.0321e-05 TDB
period 1656.751663383717
4.54
1.2834e-05
3.514e-08
d
yr
n .2172926745489081 1.6833e-09 deg/d
Q 3.212361996141823 1.659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      9897 days (27.10 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55577  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:49:50  

Additional Information
 Earth MOID = 1.28514 au 
 Jupiter MOID = 1.93214 au 
 T_jup = 3.326 
[ 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 15.1   n/a MPO347857  
diameter diameter 5.386 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48557 (1993 TJ37)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TJ37 = 1999 BJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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