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JPL Small-Body Database Browser
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74856 (1999 TN88)
Classification: Main-belt Asteroid          SPK-ID: 2074856
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028273479272878 3.9577e-08  
a 2.334278238449385 9.5527e-09 au
q 1.860822774020315 9.1923e-08 au
i 2.243564676557714 5.0566e-06 deg
node 177.7933340152868 9.835e-05 deg
peri 247.827118376994 9.9296e-05 deg
M 131.2306731533619 1.1698e-05 deg
tp 2458125.645875440284
(2018-Jan-07.14587544)
4.2024e-05 TDB
period 1302.648845226307
3.57
7.9964e-06
2.189e-08
d
yr
n .2763599732339668 1.6965e-09 deg/d
Q 2.807733702878455 1.149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      9159 days (25.08 yr)  
   first obs. used      1994-04-12  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:42:12  

Additional Information
 Earth MOID = .875519 au 
 Jupiter MOID = 2.50498 au 
 T_jup = 3.540 
[ 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 16.2   n/a MPO319942  

74856 (1999 TN88)          Discovered 1999-Oct-02 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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