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74903 (1999 TT124)
Classification: Main-belt Asteroid          SPK-ID: 2074903
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201795361935187 4.122e-08  
a 2.33760009655076 1.1335e-08 au
q 2.056668401141366 9.9496e-08 au
i 6.693344668737677 4.998e-06 deg
node 324.1429635910708 4.0011e-05 deg
peri 334.4470102966724 4.5689e-05 deg
M 339.7954958449943 2.2e-05 deg
tp 2459073.765488166236
(2020-Aug-12.26548817)
7.9797e-05 TDB
period 1305.430489038269
3.57
9.4954e-06
2.6e-08
d
yr
n .2757710985172543 2.0059e-09 deg/d
Q 2.618531791960155 1.2698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      8113 days (22.21 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:51:07  

Additional Information
 Earth MOID = 1.04345 au 
 Jupiter MOID = 2.58459 au 
 T_jup = 3.548 
[ 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 15.9   n/a MPO351370  

74903 (1999 TT124)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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