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523554 (2017 XS12)
Classification: Main-belt Asteroid          SPK-ID: 2523554
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04419255750213069 8.5296e-08  
a 2.655180431137556 5.1525e-08 au
q 2.537841217255978 2.2662e-07 au
i 1.112024301679551 7.9469e-06 deg
node 112.0395988306325 0.00051718 deg
peri 139.0886609621329 0.00053198 deg
M 12.49561713339198 0.0001293 deg
tp 2458945.647718771944
(2020-Apr-06.14771877)
0.00056708 TDB
period 1580.299798825539
4.33
4.5999e-05
1.259e-07
d
yr
n .2278048761808032 6.6309e-09 deg/d
Q 2.772519645019135 5.3802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4774 days (13.07 yr)  
   first obs. used      2006-01-31  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62667  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 07:09:13  

Additional Information
 Earth MOID = 1.52351 au 
 Jupiter MOID = 2.22301 au 
 T_jup = 3.387 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457499.5 (2016-Apr-21.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04306384018411508 8.5711e-08  
q 2.539806317803505 2.2775e-07 au
tp 2457362.984245738262
(2015-Dec-06.48424574)
0.0005641 TDB
node 112.0402888404652 0.00051739 deg
peri 138.3765509125743 0.00053279 deg
i 1.111928588907737 7.9455e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4774 days (13.07 yr)  
   first obs. used      2006-01-31  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62667  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 07:09:13  

Additional Information
 Jupiter MOID = 2.22301 au 
 T_jup = 3.387 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.346325431686785E-15 -1.904979090615562E-14 -1.70534744313423E-11 1.257622739310081E-13 -3.725860321650675E-12 2.873046402137607E-17
q -1.904979090615562E-14 5.186963202012126E-14 5.256366607016094E-11 -3.323248312573101E-13 1.158769777254551E-11 6.984435561930503E-16
tp -1.70534744313423E-11 5.256366607016094E-11 3.182123442450405E-7 -6.093090204414201E-10 7.18659791802301E-8 1.089274353279375E-11
node 1.257622739310081E-13 -3.323248312573101E-13 -6.093090204414201E-10 2.676909433314542E-7 -2.677738655504915E-7 3.461808005714603E-10
peri -3.725860321650675E-12 1.158769777254551E-11 7.18659791802301E-8 -2.677738655504915E-7 2.838607091864256E-7 -3.436515649458598E-10
i 2.873046402137607E-17 6.984435561930503E-16 1.089274353279375E-11 3.461808005714603E-10 -3.436515649458598E-10 6.31304000440386E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO448268  

523554 (2017 XS12)          Discovered 2006-Jan-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2018-05-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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