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173825 (2001 SL345)
Classification: Main-belt Asteroid          SPK-ID: 2173825
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 .245987759371264 3.6116e-08  
a 3.096409175075114 2.3642e-08 au
q 2.334730420001763 1.1286e-07 au
i 13.27036852882322 7.1499e-06 deg
node 308.2929020517483 2.1598e-05 deg
peri 111.0302223318429 2.7127e-05 deg
M 115.1269826300007 1.5604e-05 deg
tp 2458364.055457234222
(2018-Sep-02.55545723)
8.33e-05 TDB
period 1990.150615968409
5.45
2.2793e-05
6.24e-08
d
yr
n .18089083163428 2.0717e-09 deg/d
Q 3.858087930148465 2.9458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      8538 days (23.38 yr)  
   first obs. used      1996-12-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:30:25  

Additional Information
 Earth MOID = 1.38616 au 
 Jupiter MOID = 1.68337 au 
 T_jup = 3.136 
[ 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 15.1   n/a MPO469863  

173825 (2001 SL345)          Discovered 2001-Sep-23 by NEAT at Haleakala
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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