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JPL Small-Body Database Browser
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423413 (2005 MS54)
Classification: Main-belt Asteroid          SPK-ID: 2423413
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618894745830534 8.7315e-08  
a 2.629666985370246 5.0341e-08 au
q 1.94098488024323 2.0815e-07 au
i 28.53249247528731 9.264e-06 deg
node 98.16903872091954 1.6253e-05 deg
peri 240.4865873761077 3.8855e-05 deg
M 158.5771503937119 4.8624e-05 deg
tp 2458314.399609596611
(2018-Jul-14.89960960)
0.00019279 TDB
period 1557.577115820177
4.26
4.4726e-05
1.225e-07
d
yr
n .2311282031197755 6.6369e-09 deg/d
Q 3.318349090497261 6.3525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5763 days (15.78 yr)  
   first obs. used      2004-04-16  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51299  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 08:05:26  

Additional Information
 Earth MOID = 1.04125 au 
 Jupiter MOID = 2.27919 au 
 T_jup = 3.184 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457491.5 (2016-Apr-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618567234637562 8.7294e-08  
q 1.941392734673329 2.0795e-07 au
tp 2456755.396800156937
(2014-Apr-07.89680016)
0.0001539 TDB
node 98.3022438487362 1.6274e-05 deg
peri 240.2059989340224 3.879e-05 deg
i 28.52927617290772 9.2554e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5763 days (15.78 yr)  
   first obs. used      2004-04-16  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51299  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 08:05:26  

Additional Information
 Jupiter MOID = 2.27919 au 
 T_jup = 3.184 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.620277237072388E-15 -1.797141600872775E-14 9.38391264521605E-12 -9.725234093936332E-14 1.989138759906736E-12 -1.106353476811098E-14
q -1.797141600872775E-14 4.324314070604278E-14 -1.992868600275485E-11 2.20463929169409E-13 -4.124744007784244E-12 1.659979637189432E-14
tp 9.38391264521605E-12 -1.992868600275485E-11 2.368518821895046E-8 -2.263718194068093E-10 5.473857052733648E-9 -4.370545068094802E-11
node -9.725234093936332E-14 2.20463929169409E-13 -2.263718194068093E-10 2.648524227996791E-10 -2.813373800476826E-10 -6.181622774608901E-11
peri 1.989138759906736E-12 -4.124744007784244E-12 5.473857052733648E-9 -2.813373800476826E-10 1.504629132137026E-9 4.360351391220855E-11
i -1.106353476811098E-14 1.659979637189432E-14 -4.370545068094802E-11 -6.181622774608901E-11 4.360351391220855E-11 8.566179295395237E-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 16.3   n/a MPO419086  

423413 (2005 MS54)          Discovered 2005-Jun-20 by NEAT at Palomar
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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