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120006 (2002 YK31)
Classification: Main-belt Asteroid          SPK-ID: 2120006
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1400531806871654 4.2529e-08  
a 2.388641175162713 9.251e-09 au
q 2.054104381060847 1.0428e-07 au
i .6246310943281297 4.1643e-06 deg
node 137.8676475811336 0.00041835 deg
peri 358.5574806428424 0.0004187 deg
M 291.9020055042714 1.7678e-05 deg
tp 2459455.568377523568
(2021-Aug-29.06837752)
6.6838e-05 TDB
period 1348.418798357478
3.69
7.8334e-06
2.145e-08
d
yr
n .2669793690495264 1.551e-09 deg/d
Q 2.723177969264579 1.0547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      9606 days (26.30 yr)  
   first obs. used      1994-10-26  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:04:30  

Additional Information
 Earth MOID = 1.06776 au 
 Jupiter MOID = 2.30157 au 
 T_jup = 3.520 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457423.5 (2016-Feb-05.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388075625643312 4.2474e-08  
q 2.057779466470468 1.0404e-07 au
tp 2456757.008083683023
(2014-Apr-09.50808368)
6.2667e-05 TDB
node 137.8325768408075 0.00041872 deg
peri 358.4670570476221 0.00041907 deg
i .6244261890026148 4.1609e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      9606 days (26.30 yr)  
   first obs. used      1994-10-26  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:04:30  

Additional Information
 Jupiter MOID = 2.30157 au 
 T_jup = 3.520 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.804049032307461E-15 -4.407226947018552E-15 2.809492182078249E-13 8.25108568120614E-15 1.296353468686257E-13 -6.947915985938636E-17
q -4.407226947018552E-15 1.082505220959316E-14 -5.667343647512917E-13 -1.889154753742567E-14 -2.795110000806522E-13 2.109585984687524E-16
tp 2.809492182078249E-13 -5.667343647512917E-13 3.927202624542197E-9 6.111932402257335E-12 1.100917990633806E-9 6.167778914548272E-13
node 8.25108568120614E-15 -1.889154753742567E-14 6.111932402257335E-12 1.753227170606716E-7 -1.753093391265486E-7 1.904506322467053E-10
peri 1.296353468686257E-13 -2.795110000806522E-13 1.100917990633806E-9 -1.753093391265486E-7 1.756202482789095E-7 -1.902659973410446E-10
i -6.947915985938636E-17 2.109585984687524E-16 6.167778914548272E-13 1.904506322467053E-10 -1.902659973410446E-10 1.731272516437411E-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 16.70   n/a E2021B55  

120006 (2002 YK31)          Discovered 2002-Dec-31 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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