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183438 (2003 AF68)
Classification: Main-belt Asteroid          SPK-ID: 2183438
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700134984002548 4.7715e-08  
a 2.624095414864232 1.6455e-08 au
q 2.177963773247096 1.2658e-07 au
i 3.790649512013568 8.2419e-06 deg
node 154.3080937539134 8.8581e-05 deg
peri 310.4943195659326 9.3743e-05 deg
M 311.7922425806176 2.8957e-05 deg
tp 2458808.413308174209
(2019-Nov-20.91330817)
0.0001257 TDB
period 1552.62959634421
4.25
1.4604e-05
3.998e-08
d
yr
n .2318647028548526 2.181e-09 deg/d
Q 3.070227056481368 1.9253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-02-08  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:02:24  

Additional Information
 Earth MOID = 1.19723 au 
 Jupiter MOID = 2.07426 au 
 T_jup = 3.379 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456775.5 (2014-Apr-28.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169101835524709 4.8179e-08  
q 2.180675427338424 1.2775e-07 au
tp 2457257.307956795932
(2015-Aug-22.80795680)
0.00012082 TDB
node 154.3196073995343 8.8544e-05 deg
peri 310.795596226299 9.3726e-05 deg
i 3.79055510259097 8.2427e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1999-02-08  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:02:24  

Additional Information
 Jupiter MOID = 2.07426 au 
 T_jup = 3.379 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.321207277425042E-15 -6.119586593725315E-15 1.907944308702277E-12 -2.362309069586106E-14 5.25891554107716E-13 -3.577723595083693E-15
q -6.119586593725315E-15 1.631960106330584E-14 -4.518161381211806E-12 5.629584485157282E-14 -1.277441169995077E-12 9.158885944014023E-15
tp 1.907944308702277E-12 -4.518161381211806E-12 1.459753127132994E-8 -6.420239019311019E-11 3.740995547500916E-9 -7.346660875442989E-12
node -2.362309069586106E-14 5.629584485157282E-14 -6.420239019311019E-11 7.840075496720461E-9 -7.837118727905898E-9 2.825337766058779E-10
peri 5.25891554107716E-13 -1.277441169995077E-12 3.740995547500916E-9 -7.837118727905898E-9 8.784486573768747E-9 -2.837017065387368E-10
i -3.577723595083693E-15 9.158885944014023E-15 -7.346660875442989E-12 2.825337766058779E-10 -2.837017065387368E-10 6.794234102494534E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO454262  

183438 (2003 AF68)          Discovered 2003-Jan-08 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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