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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723352106035072 4.3471e-08  
a 2.740139408722225 1.8324e-08 au
q 2.26791690663711 1.1705e-07 au
i 3.621604213822691 4.6309e-06 deg
node 122.6389770041554 9.214e-05 deg
peri 341.0811675035561 9.3585e-05 deg
M 252.6706800119219 1.7493e-05 deg
tp 2459494.438970300587
(2021-Oct-06.93897030)
8.2537e-05 TDB
period 1656.751662341316
4.54
1.6619e-05
4.55e-08
d
yr
n .217292674685625 2.1797e-09 deg/d
Q 3.212361910807339 2.1482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1993-10-09  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56806  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 00:29:32  

Additional Information
 Earth MOID = 1.28514 au 
 Jupiter MOID = 1.93214 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456643.5 (2013-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1701845598161846 4.3174e-08  
q 2.275327214754953 1.1602e-07 au
tp 2456171.635772746440
(2012-Sep-01.13577275)
7.6124e-05 TDB
node 122.7934689064518 9.2492e-05 deg
peri 339.9786168075979 9.399e-05 deg
i 3.614100383211174 4.6195e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1993-10-09  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56806  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 00:29:32  

Additional Information
 Jupiter MOID = 1.93214 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.863983762509149E-15 -4.967724382837306E-15 -5.055838206813554E-13 5.410674868869268E-15 -1.564115903289773E-13 3.14368143953078E-16
q -4.967724382837306E-15 1.346152755817835E-14 1.447784221246276E-12 -1.173459720216869E-14 4.501527078985794E-13 -8.646727240280097E-16
tp -5.055838206813554E-13 1.447784221246276E-12 5.794789181047146E-9 6.697400560936215E-12 1.316227121399074E-9 -1.782333518623225E-12
node 5.410674868869268E-15 -1.173459720216869E-14 6.697400560936215E-12 8.554852125544757E-9 -8.535976371927112E-9 -6.132579668213567E-12
peri -1.564115903289773E-13 4.501527078985794E-13 1.316227121399074E-9 -8.535976371927112E-9 8.834172532167001E-9 5.709032459871573E-12
i 3.14368143953078E-16 -8.646727240280097E-16 -1.782333518623225E-12 -6.132579668213567E-12 5.709032459871573E-12 2.133982923895936E-11

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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