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437540 (2013 YG121)
Classification: Main-belt Asteroid          SPK-ID: 2437540
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259015826988956 6.2535e-08  
a 2.339519139135057 2.4653e-08 au
q 2.044969976763596 1.3741e-07 au
i 3.912498811546531 6.5252e-06 deg
node 139.7933906637015 6.5084e-05 deg
peri 150.9520961060001 6.9769e-05 deg
M 101.3761402270925 2.1781e-05 deg
tp 2458632.437491494589
(2019-May-28.93749149)
8.0547e-05 TDB
period 1307.038350100224
3.58
2.066e-05
5.656e-08
d
yr
n .2754318570471901 4.3536e-09 deg/d
Q 2.634068301506519 2.7757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      2000-02-05  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:45:37  

Additional Information
 Earth MOID = 1.02983 au 
 Jupiter MOID = 2.51896 au 
 T_jup = 3.551 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457716.5 (2016-Nov-24.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261245745035591 6.2425e-08  
q 2.044647867558065 1.3736e-07 au
tp 2457326.420503682919
(2015-Oct-30.92050368)
8.8755e-05 TDB
node 139.8291865596146 6.5105e-05 deg
peri 151.2262174619191 6.9779e-05 deg
i 3.911931304376339 6.5242e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      2000-02-05  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:45:37  

Additional Information
 Jupiter MOID = 2.51896 au 
 T_jup = 3.551 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.8968607012483E-15 -8.491083905749951E-15 5.381749635352235E-13 -2.096347849030766E-14 2.828591449935399E-13 -1.915526796976836E-15
q -8.491083905749951E-15 1.886737987938168E-14 -2.220674473465657E-12 4.372749531395937E-14 -8.844220141856873E-13 3.956396328520522E-15
tp 5.381749635352235E-13 -2.220674473465657E-12 7.877449634637709E-9 -1.551270716113175E-11 2.230276734004888E-9 2.219792897791838E-12
node -2.096347849030766E-14 4.372749531395937E-14 -1.551270716113175E-11 4.238608422073951E-9 -4.232679156791892E-9 3.099651176023586E-11
peri 2.828591449935399E-13 -8.844220141856873E-13 2.230276734004888E-9 -4.232679156791892E-9 4.869083115572221E-9 -3.031837736514208E-11
i -1.915526796976836E-15 3.956396328520522E-15 2.219792897791838E-12 3.099651176023586E-11 -3.031837736514208E-11 4.256573958263169E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO437697  

437540 (2013 YG121)          Discovered 2007-Jan-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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