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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07975768101623808 3.9754e-08  
a 2.993747496323059 1.8763e-08 au
q 2.754973138468163 1.1869e-07 au
i 9.015856106032174 5.5444e-06 deg
node 333.1745024898208 2.756e-05 deg
peri 66.14404713591391 4.4364e-05 deg
M 307.1714470356201 3.4543e-05 deg
tp 2459278.143424521299
(2021-Mar-04.64342452)
0.00018178 TDB
period 1892.000201009873
5.18
1.7786e-05
4.87e-08
d
yr
n .1902748212224537 1.7888e-09 deg/d
Q 3.232521854177955 2.0259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1790  
   data-arc span      24055 days (65.86 yr)  
   first obs. used      1953-10-12  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52232  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:08:20  

Additional Information
 Earth MOID = 1.77665 au 
 Jupiter MOID = 2.11409 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 12.9   n/a MPO350958  
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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