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JPL Small-Body Database Browser
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74874 (1999 TA99)
Classification: Main-belt Asteroid          SPK-ID: 2074874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .06326521941325916 3.8908e-08  
a 2.381913868772388 1.0371e-08 au
q 2.231221565241018 9.2761e-08 au
i 7.216371379445254 3.6803e-06 deg
node 78.3970205497516 3.2274e-05 deg
peri 98.0791918703988 4.3528e-05 deg
M 319.739261009738 2.8914e-05 deg
tp 2458750.664317974787
(2019-Sep-24.16431797)
0.00010794 TDB
period 1342.726334059559
3.68
8.7696e-06
2.401e-08
d
yr
n .26811122331353 1.7511e-09 deg/d
Q 2.532606172303759 1.1027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      7169 days (19.63 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52396  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:25:27  

Additional Information
 Earth MOID = 1.2483 au 
 Jupiter MOID = 2.45112 au 
 T_jup = 3.524 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO333438  

74874 (1999 TA99)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TA99 = 2001 CN30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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