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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .340473050691743 3.486e-08  
a 2.722955718252881 1.1471e-08 au
q 1.795862677960796 9.7716e-08 au
i 8.793599864670798 5.6773e-06 deg
node 327.4943298679755 2.7512e-05 deg
peri 89.17799757469997 2.9159e-05 deg
M 274.452547333791 8.9351e-06 deg
tp 2459786.499343848576
(2022-Jul-25.99934385)
4.2215e-05 TDB
period 1641.191635866735
4.49
1.0371e-05
2.839e-08
d
yr
n .2193528117817145 1.3861e-09 deg/d
Q 3.650048758544965 1.5377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      993  
   data-arc span      11310 days (30.97 yr)  
   first obs. used      1990-08-22  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:04  

Additional Information
 Earth MOID = .832868 au 
 Jupiter MOID = 1.87195 au 
 T_jup = 3.255 
[ 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 14.91   n/a E2021B10  
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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