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442310 (2011 SX78)
Classification: Main-belt Asteroid          SPK-ID: 2442310
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1425710593882542 1.6459e-07  
a 2.648530920231365 5.3151e-08 au
q 2.270927061111431 4.5702e-07 au
i 3.203165634009884 1.21e-05 deg
node 184.4390758052425 0.00021385 deg
peri 127.3306894569523 0.0002191 deg
M 42.60247273721026 3.7171e-05 deg
tp 2458814.189082522532
(2019-Nov-26.68908252)
0.00016208 TDB
period 1574.367072672428
4.31
4.7392e-05
1.298e-07
d
yr
n .2286633188973609 6.8832e-09 deg/d
Q 3.026134779351299 6.0729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      5753 days (15.75 yr)  
   first obs. used      2002-06-06  
   last obs. used      2018-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5444  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:21:04  

Additional Information
 Earth MOID = 1.25854 au 
 Jupiter MOID = 2.23711 au 
 T_jup = 3.375 
[ 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 17.5   n/a MPO440831  

442310 (2011 SX78)          Discovered 2007-Oct-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SX78 = 2010 JS173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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