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JPL Small-Body Database Browser
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19682 (1999 RW194)
Classification: Main-belt Asteroid          SPK-ID: 2019682
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158327734243401 3.5139e-08  
a 2.681782218391528 1.5111e-08 au
q 2.257181716019355 9.3761e-08 au
i 12.28008550698882 5.4551e-06 deg
node 237.6479283169965 2.4709e-05 deg
peri 226.08153498871 3.3255e-05 deg
M 147.3579813863873 2.0813e-05 deg
tp 2458343.893995386924
(2018-Aug-13.39399539)
9.2121e-05 TDB
period 1604.108304394454
4.39
1.3558e-05
3.712e-08
d
yr
n .2244237493277606 1.8968e-09 deg/d
Q 3.106382720763701 1.7503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1289  
   data-arc span      16665 days (45.63 yr)  
   first obs. used      1973-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:45:25  

Additional Information
 Earth MOID = 1.2919 au 
 Jupiter MOID = 2.17399 au 
 T_jup = 3.326 
[ 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 14.1   n/a MPO474025  
diameter diameter 4.772 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.5353 h n/a LCDB (Rev. 2019-August); 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:
[Clark, M. (2014) Minor Planet Bull. 41, 178-183.]
geometric albedo albedo 0.234   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19682 (1999 RW194)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RW194 = 1991 VU3 = 1998 MC21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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