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118831 (2000 SX171)
Classification: Main-belt Asteroid          SPK-ID: 2118831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09563185000951592 4.8853e-08  
a 2.59939211244391 1.4087e-08 au
q 2.350807435830756 1.2792e-07 au
i 3.74944311933571 4.3246e-06 deg
node 277.6709185959704 9.2779e-05 deg
peri 148.5272067662025 9.8412e-05 deg
M 248.1349746930591 3.2087e-05 deg
tp 2459676.161440218409
(2022-Apr-06.66144022)
0.00013715 TDB
period 1530.75653457169
4.19
1.2444e-05
3.407e-08
d
yr
n .2351778299615288 1.9118e-09 deg/d
Q 2.847976789057065 1.5434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      6823 days (18.68 yr)  
   first obs. used      2000-09-21  
   last obs. used      2019-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:59:05  

Additional Information
 Earth MOID = 1.36501 au 
 Jupiter MOID = 2.39131 au 
 T_jup = 3.406 
[ 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 MPO338093  

118831 (2000 SX171)          Discovered 2000-Sep-27 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 SX171 = 2002 AF65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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