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74992 (1999 TT269)
Classification: Main-belt Asteroid          SPK-ID: 2074992
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084133942774367 3.2904e-08  
a 2.363008999186685 1.0539e-08 au
q 2.106827172876728 8.2122e-08 au
i 6.103258163398608 4.4933e-06 deg
node 240.0341536830199 3.3868e-05 deg
peri 51.37140997154952 4.0714e-05 deg
M 318.0151189923226 2.1437e-05 deg
tp 2459155.234414573972
(2020-Nov-01.73441457)
7.8816e-05 TDB
period 1326.772588362079
3.63
8.8763e-06
2.43e-08
d
yr
n .271335120394992 1.8153e-09 deg/d
Q 2.619190825496643 1.1682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      8090 days (22.15 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:51:28  

Additional Information
 Earth MOID = 1.09693 au 
 Jupiter MOID = 2.51672 au 
 T_jup = 3.534 
[ 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 15.7   n/a MPO266276  

74992 (1999 TT269)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TT269 = 1999 RS212 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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