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90710 (1990 TF6)
Classification: Main-belt Asteroid          SPK-ID: 2090710
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 .341418903511983 3.7471e-08  
a 2.720041693600132 1.1538e-08 au
q 1.791368041064298 1.0396e-07 au
i 8.792311328020137 6.5014e-06 deg
node 327.51491778759 3.0781e-05 deg
peri 89.31219664094998 3.3037e-05 deg
M 187.3430592728423 9.5661e-06 deg
tp 2459786.356607704377
(2022-Jul-25.85660770)
4.5726e-05 TDB
period 1638.557810546658
4.49
1.0425e-05
2.854e-08
d
yr
n .219705400494778 1.3979e-09 deg/d
Q 3.648715346135967 1.5477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      10511 days (28.78 yr)  
   first obs. used      1990-08-22  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:16:43  

Additional Information
 Earth MOID = .828862 au 
 Jupiter MOID = 1.87066 au 
 T_jup = 3.256 
[ 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 14.9   n/a MPO436406  
diameter diameter 7.877 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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