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118881 (2000 TK57)
Classification: Main-belt Asteroid          SPK-ID: 2118881
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1044378564676347 4.4603e-08  
a 2.641032238136674 1.6956e-08 au
q 2.36520849232376 1.1596e-07 au
i 15.84408599890894 5.2607e-06 deg
node 48.64593502995925 1.625e-05 deg
peri 20.47094341049428 2.9307e-05 deg
M 200.0297249561268 2.5714e-05 deg
tp 2459897.119731269190
(2022-Nov-13.61973127)
0.00011517 TDB
period 1567.685641523895
4.29
1.5097e-05
4.133e-08
d
yr
n .2296378753906657 2.2114e-09 deg/d
Q 2.916855983949588 1.8726e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      7210 days (19.74 yr)  
   first obs. used      2000-09-24  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:19  

Additional Information
 Earth MOID = 1.38254 au 
 Jupiter MOID = 2.45676 au 
 T_jup = 3.333 
[ 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 15.35   n/a E2021B55  
diameter diameter 2.352 km 0.583 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.266   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118881 (2000 TK57)          Discovered 2000-Oct-02 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 TK57 = 2002 DW8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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