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118420 (1999 TF59)
Classification: Main-belt Asteroid          SPK-ID: 2118420
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825421498368098 5.5523e-08  
a 3.175149210278672 2.4146e-08 au
q 2.595550647381755 1.8252e-07 au
i 1.162532775817045 6.0813e-06 deg
node 3.85310227670591 0.00023659 deg
peri 1.671254793191076 0.00023701 deg
M 265.1710875826536 1.7558e-05 deg
tp 2459744.855862265889
(2022-Jun-14.35586227)
0.00010521 TDB
period 2066.543899114393
5.66
2.3573e-05
6.454e-08
d
yr
n .1742038967351607 1.9872e-09 deg/d
Q 3.75474777317559 2.8554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      7605 days (20.82 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:12  

Additional Information
 Earth MOID = 1.59233 au 
 Jupiter MOID = 1.7086 au 
 T_jup = 3.175 
[ 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 15.26   n/a E2021B55  
diameter diameter 5.678 km 0.319 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118420 (1999 TF59)          Discovered 1999-Oct-07 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 TF59 = 1999 RQ256 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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