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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 ]

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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2205213724111828 1.038e-07  
a 2.859421154803998 4.0021e-08 au
q 2.228857677445051 3.1193e-07 au
i 17.67770790314225 8.2216e-06 deg
node 88.17189845547433 4.38e-05 deg
peri 327.8439377865494 5.2341e-05 deg
M 173.2533579427805 3.0609e-05 deg
tp 2458150.547265114549
(2018-Feb-01.04726511)
0.00014184 TDB
period 1766.101322317907
4.84
3.7078e-05
1.015e-07
d
yr
n .2038388145972965 4.2795e-09 deg/d
Q 3.489984632162944 4.8847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      5589 days (15.30 yr)  
   first obs. used      2003-12-18  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6648  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 22:12:55  

Additional Information
 Earth MOID = 1.26008 au 
 Jupiter MOID = 1.89043 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457275.5 (2015-Sep-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221182992755842 1.0329e-07  
q 2.2265746745918 3.102e-07 au
tp 2458151.599386960166
(2018-Feb-02.09938696)
0.00014174 TDB
node 88.17922063034857 4.3798e-05 deg
peri 328.1069408590001 5.2318e-05 deg
i 17.68048484088465 8.2233e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      5589 days (15.30 yr)  
   first obs. used      2003-12-18  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6648  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 22:12:55  

Additional Information
 Jupiter MOID = 1.89043 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.066890765734082E-14 -3.19086920593893E-14 -9.409826186674126E-12 -1.885324878747784E-13 -2.030461572413601E-12 -5.091205427519855E-14
q -3.19086920593893E-14 9.622109421569216E-14 2.866195968939504E-11 5.673872844840621E-13 6.072688848555388E-12 1.573426660509361E-13
tp -9.409826186674126E-12 2.866195968939504E-11 2.008906157840273E-8 3.639406515502936E-10 4.338444570563569E-9 5.055387826492869E-11
node -1.885324878747784E-13 5.673872844840621E-13 3.639406515502936E-10 1.918250002217494E-9 -1.741937154280916E-9 -6.201848386270088E-11
peri -2.030461572413601E-12 6.072688848555388E-12 4.338444570563569E-9 -1.741937154280916E-9 2.73712578935377E-9 7.029807531855377E-11
i -5.091205427519855E-14 1.573426660509361E-13 5.055387826492869E-11 -6.201848386270088E-11 7.029807531855377E-11 6.762277927991395E-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

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