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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2503177248807918 8.2943e-08  
a 2.396143773763481 1.3988e-08 au
q 1.796346515827732 2.0446e-07 au
i 2.95131288259734 5.6042e-06 deg
node 90.75108416228088 0.0001471 deg
peri 297.3372047068449 0.0001484 deg
M 333.6471023590965 2.284e-05 deg
tp 2459099.673036535344
(2020-Sep-07.17303654)
8.668e-05 TDB
period 1354.776755073372
3.71
1.1863e-05
3.248e-08
d
yr
n .265726436958614 2.3269e-09 deg/d
Q 2.99594103169923 1.749e-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 = .803611 au 
 Jupiter MOID = 2.4543 au 
 T_jup = 3.484 
[ 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 18.0   n/a MPO477207  

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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