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74291 (1998 SU136)
Classification: Main-belt Asteroid          SPK-ID: 2074291
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123388858522762 4.5425e-08  
a 2.597337156416521 8.3685e-09 au
q 2.045821478440318 1.1727e-07 au
i 4.601142137823711 3.7573e-06 deg
node 96.50045814117426 5.6069e-05 deg
peri 279.4433257301757 5.6894e-05 deg
M 62.38534677070042 8.0379e-06 deg
tp 2458735.545675595427
(2019-Sep-09.04567560)
3.4258e-05 TDB
period 1528.94167818337
4.19
7.3892e-06
2.023e-08
d
yr
n .2354569864481282 1.1379e-09 deg/d
Q 3.148852834392724 1.0145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      9419 days (25.79 yr)  
   first obs. used      1995-01-07  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:44:15  

Additional Information
 Earth MOID = 1.05334 au 
 Jupiter MOID = 2.3252 au 
 T_jup = 3.380 
[ 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 15.3   n/a MPO449468  

74291 (1998 SU136)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SU136 = 1995 AA5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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