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442628 (2012 SH50)
Classification: Mars-crossing Asteroid          SPK-ID: 2442628
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2586949626810307 9.5589e-08  
a 2.134426075648836 7.6149e-08 au
q 1.582260801663442 2.2984e-07 au
i 2.280779725693813 4.2424e-06 deg
node 231.4553752144866 0.00015115 deg
peri 50.51285280315005 0.00018575 deg
M 224.8677321727983 4.6771e-05 deg
tp 2459428.039916664894
(2021-Aug-01.53991666)
0.00012646 TDB
period 1138.990505185463
3.12
6.0953e-05
1.669e-07
d
yr
n .3160693599824001 1.6914e-08 deg/d
Q 2.686591349634231 9.5848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      4949 days (13.55 yr)  
   first obs. used      2005-03-17  
   last obs. used      2018-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5158  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:46:08  

Additional Information
 Earth MOID = .567118 au 
 Jupiter MOID = 2.46883 au 
 T_jup = 3.674 
[ 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 17.9   n/a MPO456096  

442628 (2012 SH50)          Discovered 2006-Sep-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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