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172393 (2003 AK68)
Classification: Outer Main-belt Asteroid          SPK-ID: 2172393
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07327241099066473 5.7314e-08  
a 3.204954338983856 3.7653e-08 au
q 2.970119607451516 1.9656e-07 au
i 12.13453011299804 6.7526e-06 deg
node 72.85209604868334 2.7158e-05 deg
peri 46.65825214300347 5.4176e-05 deg
M 15.65359178011505 4.444e-05 deg
tp 2458909.373917626482
(2020-Feb-29.87391763)		 0.00025876 TDB
period 2095.710052701103
5.74		 3.6932e-05
1.011e-07		 d
yr
n .171779488071838 3.0272e-09 deg/d
Q 3.439789070516195 4.0412e-08 au
   Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2001-10-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:47:55  

Additional Information
 Earth MOID = 2.00145 au 
 Jupiter MOID = 1.78753 au 
 T_jup = 3.154 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457503.5 (2016-Apr-25.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07416155928367024 5.73e-08  
q 2.965133364642458 1.965e-07 au
tp 2456818.233067883307
(2014-Jun-09.73306788)		 0.00025903 TDB
node 72.86632402355021 2.7159e-05 deg
peri 47.23794892858515 5.369e-05 deg
i 12.13696346698211 6.7538e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2001-10-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:47:55  

Additional Information
 Jupiter MOID = 1.78753 au 
 T_jup = 3.154 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.283256982463401E-15 -1.109769283537792E-14 -4.807343283357872E-13 -5.630060345031867E-15 -1.160805598108628E-13 -2.494218942579732E-15
q -1.109769283537792E-14 3.861134168959804E-14 -3.220777773305948E-14 1.835045905388854E-14 1.577641013336872E-13 1.101331414032408E-14
tp -4.807343283357872E-13 -3.220777773305948E-14 6.709655611456592E-8 -3.80245614817173E-12 1.202407724501702E-8 -7.020865191192217E-12
node -5.630060345031867E-15 1.835045905388854E-14 -3.80245614817173E-12 7.376220784088877E-10 -7.213067223861099E-10 8.148486143967153E-12
peri -1.160805598108628E-13 1.577641013336872E-13 1.202407724501702E-8 -7.213067223861099E-10 2.882591365933946E-9 -8.945907048131072E-12
i -2.494218942579732E-15 1.101331414032408E-14 -7.020865191192217E-12 8.148486143967153E-12 -8.945907048131072E-12 4.561340798683828E-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 15.1   n/a MPO417927  

172393 (2003 AK68)          Discovered 2003-Jan-08 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1902-May-09 04:24 00:06 Jupiter 1.87535802189602 1.87535724528379 1.87535879851186 3.20052629597047 3.05614959904983 2415878.683419588 6.34561349710253 342.784198556158 27.0480338928907 86.9187724169681 1922350.9043103 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
1913-Jul-22 05:26 00:05 Jupiter 1.90694328649348 1.90694220519225 1.90694436780533 3.77382372483896 3.65422895187678 2419970.726108016 5.2780203201239 311.749308586566 31.1370815743477 -85.4335292119044 2181832.96530304 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
1924-Oct-13 00:09 00:04 Jupiter 1.98440762193338 1.9844062069718 1.98440903690105 4.24803821286565 4.14634184643309 2424071.506244181 4.4706082256395 231.776162270447 39.3051185566801 -77.5050329131053 2396642.48830681 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
2047-Oct-23 07:33 00:02 Jupiter 1.90697627681927 1.90697559905512 1.90697695458358 4.53491757116121 4.43589184631432 2469006.814923305 1.58475580957382 133.285627824546 28.8110825655074 -85.6991451446505 2171278.39461739 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
2058-Dec-25 04:31 00:02 Jupiter 1.8536774611979 1.85367677980673 1.85367814258908 3.83470975468271 3.71363912064306 2473087.688218795 2.27469029303657 171.42004975761 29.2466327941941 -89.528672156008 1816375.85075681 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
2070-Feb-19 05:19 00:03 Jupiter 1.84687289471107 1.84687216042503 1.84687362899711 3.04176382659431 2.88705329120934 2477161.721652423 3.11944633076979 276.052441269193 34.1545632773048 -85.8744499124227 1960244.876539 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
2081-Apr-07 02:28 00:04 Jupiter 1.86374980289133 1.86374904245719 1.86375056332536 2.59597965860855 2.41457365639416 2481226.603074988 3.98793886328575 245.025678786172 32.4206143885466 -88.2671967319354 2184329.96977292 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
2092-May-27 04:26 00:05 Jupiter 1.88682241543028 1.88682168716802 1.88682314369232 2.92691077559677 2.76929180102799 2485294.684965585 4.60472732900089 225.423110687221 25.8737841676967 84.1671639222978 1977688.61796872 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
2103-Aug-01 06:27 00:05 Jupiter 1.9278968175029 1.9278959806984 1.92789765431157 3.59183961739198 3.4673636597267 2489376.769005656 5.05457872975442 276.262346740753 29.5663544626652 -88.8969264689368 2120973.35272441 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
2114-Oct-16 16:46 00:06 Jupiter 1.99460069288056 1.99459933914917 1.99460204662318 4.18321630051619 4.0804390993893 2493471.198757273 5.5480492576897 298.226258506466 34.7963530104868 -81.0530873826242 2468865.13020968 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 16:47:57 2020-Feb-24 16:48
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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