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JPL Small-Body Database Browser
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19681 (1999 RE194)
Classification: Main-belt Asteroid          SPK-ID: 2019681
[ 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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09941441947671112 3.3211e-08  
a 2.906419855427018 1.6117e-08 au
q 2.617479812744155 9.9761e-08 au
i 5.357621948694275 3.6028e-06 deg
node 301.1230837401914 4.4005e-05 deg
peri 187.2130926991388 4.8951e-05 deg
M 300.6747236891981 2.2971e-05 deg
tp 2459298.745035606516
(2021-Mar-25.24503561)		 0.00011656 TDB
period 1809.822380865947
4.96		 1.5054e-05
4.122e-08		 d
yr
n .1989145475302116 1.6546e-09 deg/d
Q 3.195359898109881 1.772e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1941  
   data-arc span      16162 days (44.25 yr)  
   first obs. used      1975-11-06  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:53:59  

Additional Information
 Earth MOID = 1.63265 au 
 Jupiter MOID = 1.86142 au 
 T_jup = 3.271 
[ 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 12.9   n/a MPO452449  
diameter diameter 9.877 km 2.608 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.125   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

19681 (1999 RE194)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RE194 = 1975 VF6 = 1975 XC3 = 1977 FY1 = 1982 FS1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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