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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698745410260368 4.7624e-08  
a 2.623382032558451 1.2382e-08 au
q 2.177736213841632 1.2579e-07 au
i 3.791153106773981 6.6658e-06 deg
node 154.3029004633663 6.7488e-05 deg
peri 310.3626949179669 7.2133e-05 deg
M 91.04468626946641 2.0813e-05 deg
tp 2458807.997127496504
(2019-Nov-20.49712750)
8.9888e-05 TDB
period 1551.996496347384
4.25
1.0988e-05
3.008e-08
d
yr
n .2319592865365728 1.6423e-09 deg/d
Q 3.06902785127527 1.4486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1999-02-08  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56925  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:38:58  

Additional Information
 Earth MOID = 1.19668 au 
 Jupiter MOID = 2.07448 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457264.5 (2015-Aug-30.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692152846500026 4.8167e-08  
q 2.18005148199704 1.2741e-07 au
tp 2457257.568332192453
(2015-Aug-23.06833219)
9.1576e-05 TDB
node 154.3204810680666 6.7456e-05 deg
peri 310.889866337001 7.2093e-05 deg
i 3.790889696277369 6.6677e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      7743 days (21.20 yr)  
   first obs. used      1999-02-08  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56925  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:38:58  

Additional Information
 Jupiter MOID = 2.07448 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.320079466473395E-15 -6.116791881410975E-15 1.93610591980865E-12 -3.356431513652326E-14 5.4247355995989E-13 -4.707539126257444E-15
q -6.116791881410975E-15 1.623371759782214E-14 -5.298062204562778E-12 8.746233287843063E-14 -1.482678973554009E-12 1.243895346813293E-14
tp 1.93610591980865E-12 -5.298062204562778E-12 8.386117903366029E-9 -4.570926931692008E-11 2.343511730199113E-9 -7.033470671501803E-12
node -3.356431513652326E-14 8.746233287843063E-14 -4.570926931692008E-11 4.550328043467697E-9 -4.551748043180208E-9 8.928627950428495E-12
peri 5.4247355995989E-13 -1.482678973554009E-12 2.343511730199113E-9 -4.551748043180208E-9 5.19735219286207E-9 -1.075142307768776E-11
i -4.707539126257444E-15 1.243895346813293E-14 -7.033470671501803E-12 8.928627950428495E-12 -1.075142307768776E-11 4.445775200911745E-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 16.52   n/a E2021B55  

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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