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JPL Small-Body Database Browser
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442300 (2011 SX51)
Classification: Main-belt Asteroid          SPK-ID: 2442300
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2917905348788348 8.3689e-08  
a 2.658276385164295 2.8864e-08 au
q 1.88261649688143 2.36e-07 au
i 11.21198727594139 5.4902e-06 deg
node 209.5303744142305 4.4917e-05 deg
peri 137.0518266172302 4.9431e-05 deg
M 290.9728575917724 1.8006e-05 deg
tp 2458904.040063573096
(2020-Feb-24.54006357)
8.2736e-05 TDB
period 1583.064560894959
4.33
2.5784e-05
7.059e-08
d
yr
n .2274070236254168 3.7038e-09 deg/d
Q 3.43393627344716 3.7286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      7620 days (20.86 yr)  
   first obs. used      1998-10-13  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52812  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:58  

Additional Information
 Earth MOID = .893369 au 
 Jupiter MOID = 2.10237 au 
 T_jup = 3.299 
[ 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 17.1   n/a MPO349188  

442300 (2011 SX51)          Discovered 1998-Oct-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SX51 = 1998 TE12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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