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190202 (2005 YS155)
Classification: Main-belt Asteroid          SPK-ID: 2190202
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07154602559346041 4.484e-08  
a 2.745310948385182 2.0364e-08 au
q 2.548894861010009 1.2177e-07 au
i 10.39293149818761 6.8281e-06 deg
node 139.4067061341748 3.1061e-05 deg
peri 301.552554433602 6.2065e-05 deg
M 130.4746748258096 5.2465e-05 deg
tp 2458598.343384053655
(2019-Apr-24.84338405)
0.00024195 TDB
period 1661.444123390933
4.55
1.8486e-05
5.061e-08
d
yr
n .216678969176078 2.4109e-09 deg/d
Q 2.941727035760355 2.1821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      8325 days (22.79 yr)  
   first obs. used      1998-05-03  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58159  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:06:39  

Additional Information
 Earth MOID = 1.58227 au 
 Jupiter MOID = 2.20893 au 
 T_jup = 3.321 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.99   n/a E2021B55  

190202 (2005 YS155)          Discovered 2005-Dec-25 by LONEOS at Anderson Mesa
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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