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19654 (1999 RW119)
Classification: Main-belt Asteroid          SPK-ID: 2019654
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183171645294386 2.5962e-08  
a 2.670325726123147 1.2609e-08 au
q 2.181197769397244 7.3185e-08 au
i 12.19766242971145 1.1408e-06 deg
node 326.8469207619817 4.688e-06 deg
peri 322.3754009447168 5.787e-06 deg
M 342.5578234912117 5.7834e-06 deg
tp 2459277.722340954016
(2021-Mar-04.22234095)
2.5889e-05 TDB
period 1593.840237165274
4.36
1.1289e-05
3.091e-08
d
yr
n .2258695643424577 1.5998e-09 deg/d
Q 3.15945368284905 1.4918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1793  
   data-arc span      8601 days (23.55 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46806  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:21:32  

Additional Information
 Earth MOID = 1.17682 au 
 Jupiter MOID = 2.12421 au 
 T_jup = 3.325 
[ 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 13.7   n/a MPO474024  
diameter diameter 5.484 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.256   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19654 (1999 RW119)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RW119 = 1998 FR96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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