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118162 (1951 SX)
Classification: Mars-crossing Asteroid          SPK-ID: 2118162
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .253836748260835 5.9478e-08  
a 1.874922562932004 6.437e-09 au
q 1.398998316316473 1.1259e-07 au
i 39.10024923340617 8.5556e-06 deg
node 194.4422917470192 7.1895e-06 deg
peri 212.2924582197843 1.3526e-05 deg
M 254.9708339977708 1.4528e-05 deg
tp 2459274.077795819968
(2021-Feb-28.57779582)
3.8801e-05 TDB
period 937.7205422453603
2.57
4.8291e-06
1.322e-08
d
yr
n .3839096871419543 1.9771e-09 deg/d
Q 2.350846809547535 8.071e-09 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      25221 days (69.05 yr)  
   first obs. used      1951-09-29  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:13:35  

Additional Information
 Earth MOID = .43861 au 
 Jupiter MOID = 3.17869 au 
 T_jup = 3.676 
[ 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 15.9   n/a MPO260002  
diameter diameter 1.399 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.399   0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

118162 (1951 SX)          Discovered 1951-Sep-29 by Wilson, A. G. at Palomar
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1951 SX = 1997 XJ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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