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434223 (2003 ST171)
Classification: Main-belt Asteroid          SPK-ID: 2434223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2684833265149978 1.9352e-07  
a 2.592723345434169 5.9571e-08 au
q 1.89662035691891 5.4334e-07 au
i 4.11379322746705 6.8559e-06 deg
node 317.1872095095612 0.00016181 deg
peri 336.9524464355118 0.00016443 deg
M 35.02506470099837 5.0024e-05 deg
tp 2458852.142625282750
(2020-Jan-03.64262528)
0.00020729 TDB
period 1524.869557105703
4.17
5.2553e-05
1.439e-07
d
yr
n .2360857676792383 8.1365e-09 deg/d
Q 3.288826333949429 7.5565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 09:47:12  

Additional Information
 Earth MOID = .881436 au 
 Jupiter MOID = 1.93478 au 
 T_jup = 3.363 
[ 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 17.2   n/a MPO434582  
diameter diameter 2.924 km 0.702 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.025   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

434223 (2003 ST171)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

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Alternate Designations
 2003 ST171 = 2007 PY10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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