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19665 (1999 RT137)
Classification: Main-belt Asteroid          SPK-ID: 2019665
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07972470539473685 2.1122e-08  
a 2.9932408659907 1.4222e-08 au
q 2.754605619774104 6.7231e-08 au
i 9.016382926242821 7.476e-07 deg
node 333.1756756161035 4.0303e-06 deg
peri 66.30511947038232 1.6871e-05 deg
M 345.0864207614241 1.4009e-05 deg
tp 2459278.859257294594
(2021-Mar-05.35925729)
7.3462e-05 TDB
period 1891.519948013992
5.18
1.3481e-05
3.691e-08
d
yr
n .1903231316053437 1.3564e-09 deg/d
Q 3.231876112207295 1.5356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2377  
   data-arc span      24595 days (67.34 yr)  
   first obs. used      1953-10-12  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:01:18  

Additional Information
 Earth MOID = 1.77526 au 
 Jupiter MOID = 2.11349 au 
 T_jup = 3.232 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.01   n/a E2021B10  
diameter diameter 9.737 km 1.898 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.141   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19665 (1999 RT137)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RT137 = 1989 UB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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