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JPL Small-Body Database Browser
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469305 (1998 YM19)
Classification: Main-belt Asteroid          SPK-ID: 2469305
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2511147414222171 8.3036e-08  
a 2.397233296931454 1.4227e-08 au
q 1.795252677443783 2.05e-07 au
i 2.951495898049572 5.6031e-06 deg
node 90.75398894827299 0.00014711 deg
peri 297.227428921559 0.00014839 deg
M 227.6014295901654 2.1879e-05 deg
tp 2459099.091274369183
(2020-Sep-06.59127437)
8.6193e-05 TDB
period 1355.700882700565
3.71
1.2068e-05
3.304e-08
d
yr
n .2655453017651486 2.3639e-09 deg/d
Q 2.999213916419125 1.7799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      7463 days (20.43 yr)  
   first obs. used      1998-12-25  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61497  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:25  

Additional Information
 Earth MOID = .801802 au 
 Jupiter MOID = 2.44871 au 
 T_jup = 3.483 
[ 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 18.1   n/a MPO392225  

469305 (1998 YM19)          Discovered 1998-Dec-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 1998 YM19 = 2005 SJ264 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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