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JPL Small-Body Database Browser
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469723 (2005 MS23)
Classification: Main-belt Asteroid          SPK-ID: 2469723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140998591250599 6.1358e-08  
a 2.321315190700767 1.7485e-08 au
q 2.056453454456948 1.4603e-07 au
i 5.4784493970856 7.984e-06 deg
node 256.2040806288319 6.673e-05 deg
peri 35.57857936622035 9.0505e-05 deg
M 303.5327275944167 5.4013e-05 deg
tp 2458803.125409869597
(2019-Nov-15.62540987)
0.00019359 TDB
period 1291.812840349668
3.54
1.4596e-05
3.996e-08
d
yr
n .2786781403276308 3.1487e-09 deg/d
Q 2.586176926944586 1.948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5134 days (14.06 yr)  
   first obs. used      2005-06-13  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:40  

Additional Information
 Earth MOID = 1.0424 au 
 Jupiter MOID = 2.55437 au 
 T_jup = 3.563 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO392229  

469723 (2005 MS23)          Discovered 2005-Jun-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 MS23 = 2008 ER104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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