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434287 (2003 YX171)
Classification: Main-belt Asteroid          SPK-ID: 2434287
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2205213683858792 9.676e-08  
a 2.859421164350485 3.9962e-08 au
q 2.228857696396373 2.9322e-07 au
i 17.67770810150828 8.0338e-06 deg
node 88.17190279111495 3.4005e-05 deg
peri 327.8439529096099 3.9378e-05 deg
M 173.2533426675668 2.4361e-05 deg
tp 2458150.547335795769
(2018-Feb-01.04733580)
0.00010834 TDB
period 1766.101331162388
4.84
3.7023e-05
1.014e-07
d
yr
n .2038388135764895 4.2731e-09 deg/d
Q 3.489984632304598 4.8774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      6031 days (16.51 yr)  
   first obs. used      2003-12-18  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:11:59  

Additional Information
 Earth MOID = 1.26008 au 
 Jupiter MOID = 1.89043 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457817.5 (2017-Mar-05.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209524835232717 9.6604e-08  
q 2.228025506104883 2.9283e-07 au
tp 2458151.491210858670
(2018-Feb-01.99121086)
0.00010841 TDB
node 88.17661672827751 3.4009e-05 deg
peri 328.0293864415453 3.9384e-05 deg
i 17.67685400273523 8.0339e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      6031 days (16.51 yr)  
   first obs. used      2003-12-18  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:11:59  

Additional Information
 Jupiter MOID = 1.89043 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.332301202123999E-15 -2.81664290536042E-14 -6.070219865916755E-12 1.685926332950158E-14 -1.30165505199615E-12 -3.577863484205917E-14
q -2.81664290536042E-14 8.575106483132132E-14 1.928709059596855E-11 -4.717808107049241E-14 4.062116256519323E-12 1.12045295762252E-13
tp -6.070219865916755E-12 1.928709059596855E-11 1.175321692122299E-8 5.140470089010511E-11 2.328334441174926E-9 2.640172424419198E-11
node 1.685926332950158E-14 -4.717808107049241E-14 5.140470089010511E-11 1.156618737673238E-9 -1.091919877098799E-9 -1.094675189551906E-10
peri -1.30165505199615E-12 4.062116256519323E-12 2.328334441174926E-9 -1.091919877098799E-9 1.551108702870451E-9 1.095745796135506E-10
i -3.577863484205917E-14 1.12045295762252E-13 2.640172424419198E-11 -1.094675189551906E-10 1.095745796135506E-10 6.454397894499074E-11

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 16.5   n/a MPO472393  

434287 (2003 YX171)          Discovered 2003-Dec-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2003 YX171 = 2009 AU50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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