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JPL Small-Body Database Browser
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19684 (1999 RL196)
Classification: Main-belt Asteroid          SPK-ID: 2019684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07673976028986908 4.9446e-08  
a 3.003668337664986 1.9321e-08 au
q 2.773167549442306 1.4783e-07 au
i 8.215924042081392 5.5664e-06 deg
node 312.1904541244775 2.5291e-05 deg
peri 171.8746260971364 3.5285e-05 deg
M 228.5735884407623 2.6058e-05 deg
tp 2459694.655135708724
(2022-Apr-25.15513571)
0.00014012 TDB
period 1901.412706094508
5.21
1.8347e-05
5.023e-08
d
yr
n .1893329096024808 1.8269e-09 deg/d
Q 3.234169125887667 2.0804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      12336 days (33.77 yr)  
   first obs. used      1986-02-07  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47822  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:38:26  

Additional Information
 Earth MOID = 1.78884 au 
 Jupiter MOID = 1.8238 au 
 T_jup = 3.232 
[ 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 MPO435882  
diameter diameter 7.707 km 0.867 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.226   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19684 (1999 RL196)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RL196 = 1986 CJ1 = 1991 BH4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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