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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09234009731395389 3.7304e-08  
a 2.990776012018628 2.0732e-08 au
q 2.714607464024589 1.1249e-07 au
i 10.8596431473098 3.9913e-06 deg
node 134.8558604744869 2.1731e-05 deg
peri 249.1049986180394 3.1179e-05 deg
M 274.3182191889608 2.4355e-05 deg
tp 2459450.135138358859
(2021-Aug-23.63513836)
0.00012975 TDB
period 1889.184004778926
5.17
1.9644e-05
5.378e-08
d
yr
n .1905584628545103 1.9814e-09 deg/d
Q 3.266944560012667 2.2646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1359  
   data-arc span      13670 days (37.43 yr)  
   first obs. used      1982-02-20  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:57:11  

Additional Information
 Earth MOID = 1.73974 au 
 Jupiter MOID = 2.1902 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 13.5   n/a MPO435883  
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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