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48741 (1997 EO42)
Classification: Main-belt Asteroid          SPK-ID: 2048741
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212645707144068 4.7293e-08  
a 2.363762670996969 1.2733e-08 au
q 1.861118686302067 1.1569e-07 au
i 1.658503176504427 4.7779e-06 deg
node 238.4029097090435 0.00020322 deg
peri 57.99006635014229 0.0002037 deg
M 270.3831288238662 1.7918e-05 deg
tp 2458930.939158970359
(2020-Mar-22.43915897)
6.7351e-05 TDB
period 1327.407391801569
3.63
1.0726e-05
2.937e-08
d
yr
n .2712053603313183 2.1914e-09 deg/d
Q 2.86640665569187 1.5441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      10066 days (27.56 yr)  
   first obs. used      1991-10-03  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:47:42  

Additional Information
 Earth MOID = .845139 au 
 Jupiter MOID = 2.34183 au 
 T_jup = 3.518 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456401.5 (2013-Apr-19.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2129969624899136 4.7352e-08  
q 1.860096068505903 1.1592e-07 au
tp 2456272.788254218760
(2012-Dec-11.28825422)
5.9148e-05 TDB
node 238.6639881427429 0.00020289 deg
peri 57.19197327677068 0.00020337 deg
i 1.660158720092703 4.7783e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      10066 days (27.56 yr)  
   first obs. used      1991-10-03  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:47:42  

Additional Information
 Jupiter MOID = 2.34183 au 
 T_jup = 3.518 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.24219037639587E-15 -5.470923400618284E-15 2.116051721557784E-13 -2.552089465236735E-15 9.448265053072279E-14 3.428297430197313E-16
q -5.470923400618284E-15 1.343809664123807E-14 -3.672270650051649E-13 7.038418162393341E-15 -1.97545547904927E-13 -6.641562749852272E-16
tp 2.116051721557784E-13 -3.672270650051649E-13 3.498495211957939E-9 -1.056340533953714E-11 8.683262466971133E-10 1.074010345467596E-12
node -2.552089465236735E-15 7.038418162393341E-15 -1.056340533953714E-11 4.116636017549947E-8 -4.115060115613598E-8 -2.074070462546563E-10
peri 9.448265053072279E-14 -1.97545547904927E-13 8.683262466971133E-10 -4.115060115613598E-8 4.135976848856824E-8 2.075847814472999E-10
i 3.428297430197313E-16 -6.641562749852272E-16 1.074010345467596E-12 -2.074070462546563E-10 2.075847814472999E-10 2.283221574218901E-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 15.7   n/a MPO280000  

48741 (1997 EO42)          Discovered 1997-Mar-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 EO42 = 1998 QX19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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