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226251 (2002 YS1)
Classification: Main-belt Asteroid          SPK-ID: 2226251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1868547299415464 4.1772e-08  
a 2.350731279644671 1.3101e-08 au
q 1.91148602122152 9.9002e-08 au
i 6.340776974992095 4.643e-06 deg
node 79.38574440641355 4.7821e-05 deg
peri 38.9398962443575 5.0466e-05 deg
M 184.718258846631 1.8716e-05 deg
tp 2459241.469086165561
(2021-Jan-26.96908617)
7.2273e-05 TDB
period 1316.445566442085
3.60
1.1005e-05
3.013e-08
d
yr
n .2734636426882125 2.2861e-09 deg/d
Q 2.789976538067821 1.5549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      7591 days (20.78 yr)  
   first obs. used      1998-11-11  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59248  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:18  

Additional Information
 Earth MOID = .932763 au 
 Jupiter MOID = 2.31839 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457265.5 (2015-Aug-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859880845462839 4.1734e-08  
q 1.914088584165341 9.8819e-08 au
tp 2457923.981741957920
(2017-Jun-19.48174196)
6.5096e-05 TDB
node 79.41204757406847 4.7851e-05 deg
peri 38.79452591952052 5.0528e-05 deg
i 6.33849956971044 4.6402e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      7591 days (20.78 yr)  
   first obs. used      1998-11-11  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59248  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:09:18  

Additional Information
 Jupiter MOID = 2.31839 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.741752936692162E-15 -4.099936119867149E-15 3.50696418577159E-13 6.106506446621374E-16 8.883743118219935E-14 -3.036594082925807E-15
q -4.099936119867149E-15 9.765135279142096E-15 -3.668427223223489E-13 -7.209729190608454E-16 -1.059643722067273E-13 7.192036296979955E-15
tp 3.50696418577159E-13 -3.668427223223489E-13 4.237483122504633E-9 1.547191303881721E-11 1.081910807668894E-9 -2.721543647850092E-12
node 6.106506446621374E-16 -7.209729190608454E-16 1.547191303881721E-11 2.289733383684105E-9 -2.271211514735952E-9 4.706292971027513E-12
peri 8.883743118219935E-14 -1.059643722067273E-13 1.081910807668894E-9 -2.271211514735952E-9 2.553091806174173E-9 -5.365251661771727E-12
i -3.036594082925807E-15 7.192036296979955E-15 -2.721543647850092E-12 4.706292971027513E-12 -5.365251661771727E-12 2.153112901140659E-11

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 16.4   n/a MPO450049  
diameter diameter 2.996 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226251 (2002 YS1)          Discovered 2002-Dec-27 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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