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173475 (2000 SA1)
Classification: Mars-crossing Asteroid          SPK-ID: 2173475
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2970270948357719 4.1686e-08  
a 2.284282121421852 1.2014e-08 au
q 1.605788439110625 9.9339e-08 au
i 23.21974867204269 8.2838e-06 deg
node 329.3421792276388 1.0142e-05 deg
peri 67.75742407043791 2.0561e-05 deg
M 250.9341544288533 1.5221e-05 deg
tp 2459382.540414691913
(2021-Jun-17.04041469)
5.5013e-05 TDB
period 1261.023087189757
3.45
9.9485e-06
2.724e-08
d
yr
n .2854824813733388 2.2522e-09 deg/d
Q 2.962775803733078 1.5583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1998-03-22  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:04:41  

Additional Information
 Earth MOID = .726128 au 
 Jupiter MOID = 2.85218 au 
 T_jup = 3.441 
[ 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 15.6   n/a MPO338378  

173475 (2000 SA1)          Discovered 2000-Sep-18 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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