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19851 (2000 TD42)
Classification: Main-belt Asteroid          SPK-ID: 2019851
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09143634720749956 3.444e-08  
a 2.988410209511317 1.8076e-08 au
q 2.715160895996003 1.0723e-07 au
i 10.86704693639894 3.8391e-06 deg
node 134.8476229235314 1.8926e-05 deg
peri 249.4030955465026 2.8983e-05 deg
M 312.0805974000754 2.364e-05 deg
tp 2459451.669926466987
(2021-Aug-25.16992647)
0.00012469 TDB
period 1886.942837811119
5.17
1.7121e-05
4.687e-08
d
yr
n .1907847936811934 1.731e-09 deg/d
Q 3.26165952302663 1.9729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1613  
   data-arc span      14185 days (38.84 yr)  
   first obs. used      1982-02-20  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:54  

Additional Information
 Earth MOID = 1.73913 au 
 Jupiter MOID = 2.18986 au 
 T_jup = 3.223 
[ 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 13.57   n/a E2021B10  
diameter diameter 7.132 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19851 (2000 TD42)          Discovered 2000-Oct-01 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 TD42 = 1982 DJ4 = 1999 NQ44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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