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19793 (2000 RX42)
Classification: Main-belt Asteroid          SPK-ID: 2019793
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1198076886435264 2.7925e-08  
a 2.680142722935573 1.1326e-08 au
q 2.359041018065895 7.7946e-08 au
i 12.4810152047358 7.6693e-07 deg
node 236.347847948161 3.757e-06 deg
peri 346.6588078020119 5.8888e-06 deg
M 2.715538251689687 4.2348e-06 deg
tp 2459188.411045767811
(2020-Dec-04.91104577)
1.8837e-05 TDB
period 1602.637532680654
4.39
1.0159e-05
2.781e-08
d
yr
n .2246297073785896 1.4239e-09 deg/d
Q 3.001244427805251 1.2683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2610  
   data-arc span      19231 days (52.65 yr)  
   first obs. used      1968-05-22  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:16  

Additional Information
 Earth MOID = 1.35001 au 
 Jupiter MOID = 2.00151 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 12.46   n/a E2021B10  
diameter diameter 8.534 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.102 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Moravec, P.; Letfullina, A.; Ditteon, R. (2013) Minor Planet Bull. 40, 17-20.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.320   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19793 (2000 RX42)          Discovered 2000-Sep-03 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RX42 = 1968 KJ = 1999 ND58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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