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101168 (1998 SX2)
Classification: Main-belt Asteroid          SPK-ID: 2101168
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 .2595310927220914 3.2638e-08  
a 2.36418629512931 8.8574e-09 au
q 1.750606442555807 7.564e-08 au
i 9.796908617198131 5.4339e-06 deg
node 202.5759405360497 2.239e-05 deg
peri 78.33385439464973 2.5248e-05 deg
M 46.7316269896879 1.1738e-05 deg
tp 2458828.142823580093
(2019-Dec-10.64282358)
4.2799e-05 TDB
period 1327.764246788555
3.64
7.4616e-06
2.043e-08
d
yr
n .2711324701434965 1.5237e-09 deg/d
Q 2.977766147702812 1.1156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      10573 days (28.95 yr)  
   first obs. used      1991-11-13  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:04  

Additional Information
 Earth MOID = .766976 au 
 Jupiter MOID = 2.24497 au 
 T_jup = 3.484 
[ 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 16.0   n/a MPO474886  
diameter diameter 3.187 km 0.825 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.063   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

101168 (1998 SX2)          Discovered 1998-Sep-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SX2 = 2001 FE134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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