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JPL Small-Body Database Browser
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19693 (1999 RU230)
Classification: Main-belt Asteroid          SPK-ID: 2019693
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086152171547679 3.6588e-08  
a 2.998692026556197 1.9187e-08 au
q 2.672988440911525 1.1033e-07 au
i 11.32478665808126 4.2974e-06 deg
node 69.19980390748032 2.1401e-05 deg
peri 278.8508803464895 2.9667e-05 deg
M 6.475910695265636 2.185e-05 deg
tp 2458966.381135076658
(2020-Apr-26.88113508)
0.00011499 TDB
period 1896.689431091567
5.19
1.8204e-05
4.984e-08
d
yr
n .1898044002875135 1.8217e-09 deg/d
Q 3.324395612200869 2.1271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2193  
   data-arc span      10958 days (30.00 yr)  
   first obs. used      1989-10-30  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:08:54  

Additional Information
 Earth MOID = 1.6971 au 
 Jupiter MOID = 2.1245 au 
 T_jup = 3.215 
[ 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 12.7   n/a MPO435882  

19693 (1999 RU230)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RU230 = 1989 UH9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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