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190561 (2000 SY99)
Classification: Main-belt Asteroid          SPK-ID: 2190561
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179208017920048 6.6207e-08  
a 2.543959199249549 1.1899e-08 au
q 2.088061313482565 1.7391e-07 au
i 12.49102393936376 8.4213e-06 deg
node 323.9402456769006 1.3535e-05 deg
peri 63.93078353671425 2.8942e-05 deg
M 346.2443320676419 2.5273e-05 deg
tp 2459257.129512354421
(2021-Feb-11.62951235)		 0.00010422 TDB
period 1482.05267442051
4.06		 1.0398e-05
2.847e-08		 d
yr
n .2429063461868937 1.7042e-09 deg/d
Q 2.999857085016533 1.4031e-08 au
   Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      7427 days (20.33 yr)  
   first obs. used      2000-09-08  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:03:01  

Additional Information
 Earth MOID = 1.12269 au 
 Jupiter MOID = 2.59687 au 
 T_jup = 3.389 
[ 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 16.05   n/a E2021B55  

190561 (2000 SY99)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2000 SY99 = 2004 RK216 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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