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19147 (1989 YV4)
Classification: Main-belt Asteroid          SPK-ID: 2019147
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254773924348682 5.8291e-08  
a 2.398589250424051 2.0159e-08 AU
q 2.097620525758536 1.3964e-07 AU
i 1.568742898695033 8.5488e-06 deg
node 33.82646028483607 0.00020614 deg
peri 73.89766851402005 0.00020953 deg
M 212.5706672736285 3.4254e-05 deg
tp 2457356.165777947506
(2015-Nov-29.66577795)
0.00013004 JED
period 1356.851288422876
3.71
1.7105e-05
4.683e-08
d
yr
n .2653201593068042 3.3448e-09 deg/d
Q 2.699557975089566 2.2688e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      13906 days (38.07 yr)  
   first obs. used      1976-05-30  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50752  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:42:17  

Additional Information
 Earth MOID = 1.11469 AU 
 T_jup = 3.516 
[ 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 15.0 mag n/a MPO263518  

19147 (1989 YV4)          Discovered 1989-Dec-30 by McNaught, R. H. at Siding Spring (413)
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 YV4 = 1977 RA20 = 1990 BC3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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