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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1255094049641266 4.995e-08  
a 2.39829116965811 1.8641e-08 AU
q 2.097283072023601 1.2339e-07 AU
i 1.568784131403827 6.8611e-06 deg
node 33.82273542316359 0.00019306 deg
peri 73.96153831996364 0.00019526 deg
M 265.5725673731057 2.9777e-05 deg
tp 2457356.333613238189
(2015-Nov-29.83361324)
0.00011391 JED
period 1356.598365560807
3.71
1.5816e-05
4.33e-08
d
yr
n .2653696253357778 3.0939e-09 deg/d
Q 2.699299267292619 2.098e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      711  
   data-arc span      14058 days (38.49 yr)  
   first obs. used      1976-05-30  
   last obs. used      2014-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .499  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:41:46  

Additional Information
 Earth MOID = 1.11461 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 15.1 mag n/a MPO309304  

19147 (1989 YV4)          Discovered 1989-Dec-30 by McNaught, R. H. at Siding Spring
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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