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90710 (1990 TF6)
Classification: Main-belt Asteroid          SPK-ID: 2090710
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3422756376777998 5.7989e-08  
a 2.718844997769528 2.1963e-08 au
q 1.788250592410867 1.5149e-07 au
i 8.793818048831092 1.1246e-05 deg
node 327.5381222981609 4.0101e-05 deg
peri 89.41434430655755 4.5396e-05 deg
M 195.5163696568054 1.7239e-05 deg
tp 2458148.661373501993
(2018-Jan-30.16137350)
8.2693e-05 JED
period 1637.476592039854
4.48
1.9841e-05
5.432e-08
d
yr
n .2198504709930156 2.6639e-09 deg/d
Q 3.64943940312819 2.948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      9031 days (24.73 yr)  
   first obs. used      1990-08-22  
   last obs. used      2015-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55133  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 19:07:24  

Additional Information
 Earth MOID = .82485 au 
 Jupiter MOID = 1.87327 au 
 T_jup = 3.256 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO337936  

90710 (1990 TF6)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1990 TF6 = 1999 RW75 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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