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74304 (1998 TA13)
Classification: Main-belt Asteroid          SPK-ID: 2074304
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02226031966313584 5.6649e-08  
a 2.94327294986244 2.2256e-08 au
q 2.877754753142642 1.6902e-07 au
i 1.75751810098969 6.0306e-06 deg
node 211.6683925225911 0.00014442 deg
peri 351.7494909147243 0.00017682 deg
M 297.7121812810145 0.00010203 deg
tp 2459319.613264753612
(2021-Apr-15.11326475)
0.00052309 TDB
period 1844.353802620546
5.05
2.0919e-05
5.727e-08
d
yr
n .1951903151599735 2.2139e-09 deg/d
Q 3.008791146582239 2.2751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      9603 days (26.29 yr)  
   first obs. used      1993-12-08  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:04:19  

Additional Information
 Earth MOID = 1.87268 au 
 Jupiter MOID = 1.95048 au 
 T_jup = 3.271 
[ 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 16.0   n/a MPO417339  

74304 (1998 TA13)          Discovered 1998-Oct-13 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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