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19151 (1990 KD1)
Classification: Main-belt Asteroid          SPK-ID: 2019151
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09142962528020342 8.1323e-08  
a 2.547927389369231 1.7269e-08 AU
q 2.314971342918036 2.119e-07 AU
i 12.38023565332219 8.7866e-06 deg
node 185.98029120998 2.1026e-05 deg
peri 346.1703163997467 4.0518e-05 deg
M 69.02495606700778 3.1027e-05 deg
tp 2456715.672029078343
(2014-Feb-27.17202908)
0.00012842 JED
period 1485.521692071127
4.07
1.5103e-05
4.135e-08
d
yr
n .2423391068077134 2.4638e-09 deg/d
Q 2.780883435820427 1.8848e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      8801 days (24.10 yr)  
   first obs. used      1990-05-20  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52544  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:39:05  

Additional Information
 Earth MOID = 1.32193 AU 
 T_jup = 3.403 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO302182  

19151 (1990 KD1)          Discovered 1990-May-20 by McNaught, R. H. at Siding Spring (413)
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 KD1 = 1998 HP117 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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