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74929 (1999 TF156)
Classification: Main-belt Asteroid          SPK-ID: 2074929
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 .1507376869174374 4.5182e-08  
a 2.523760950810699 9.9453e-09 au
q 2.143335062752942 1.1485e-07 au
i 3.326696926285937 3.5797e-06 deg
node 113.464066177658 9.2871e-05 deg
peri 250.4027499681809 9.4042e-05 deg
M 77.19373183645608 1.5362e-05 deg
tp 2458686.485077047949
(2019-Jul-21.98507705)
6.2475e-05 TDB
period 1464.437196821086
4.01
8.6563e-06
2.37e-08
d
yr
n .2458282272407903 1.4531e-09 deg/d
Q 2.904186838868456 1.1444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1121  
   data-arc span      7417 days (20.31 yr)  
   first obs. used      1999-10-07  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:24:23  

Additional Information
 Earth MOID = 1.14373 au 
 Jupiter MOID = 2.55315 au 
 T_jup = 3.436 
[ 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 MPO502609  

74929 (1999 TF156)          Discovered 1999-Oct-07 by LINEAR at Socorro
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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