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393000 (2012 XK120)
Classification: Main-belt Asteroid          SPK-ID: 2393000
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .134413720501912 4.6131e-08  
a 2.554530978756434 2.0733e-08 au
q 2.211166965764391 1.2279e-07 au
i 4.822300411383523 1.0175e-05 deg
node 338.5449675134693 8.4659e-05 deg
peri 50.98140532771271 9.8732e-05 deg
M .6455198720535206 5.2014e-05 deg
tp 2458997.825932885685
(2020-May-28.32593289)
0.00021546 TDB
period 1491.30058241441
4.08
1.8156e-05
4.971e-08
d
yr
n .2414000264233528 2.9389e-09 deg/d
Q 2.897894991748478 2.352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      8652 days (23.69 yr)  
   first obs. used      1997-02-03  
   last obs. used      2020-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:20:48  

Additional Information
 Earth MOID = 1.21962 au 
 Jupiter MOID = 2.5625 au 
 T_jup = 3.421 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO446664  

393000 (2012 XK120)          Discovered 2003-Sep-18 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 XK120 = 2003 SO27 = 2010 OS43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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