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183762 (2004 AG18)
Classification: Main-belt Asteroid          SPK-ID: 2183762
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289765586059176 4.5665e-08  
a 2.23586189579955 1.1021e-08 au
q 1.947488122961222 1.0024e-07 au
i 5.26652715146002 4.288e-06 deg
node 139.4347257655855 4.9117e-05 deg
peri 102.8874997900447 5.246e-05 deg
M 209.3991905904978 2.0776e-05 deg
tp 2459511.346819773001
(2021-Oct-23.84681977)
7.2689e-05 TDB
period 1221.141213246871
3.34
9.0292e-06
2.472e-08
d
yr
n .2948061993934366 2.1798e-09 deg/d
Q 2.524235668637879 1.2443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:31:42  

Additional Information
 Earth MOID = .942773 au 
 Jupiter MOID = 2.4944 au 
 T_jup = 3.622 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457209.5 (2015-Jul-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289355247437841 4.5618e-08  
q 1.947488744008458 1.0013e-07 au
tp 2457069.770268247395
(2015-Feb-16.27026825)
6.3517e-05 TDB
node 139.4702933191866 4.9115e-05 deg
peri 102.9854497852111 5.2463e-05 deg
i 5.26659463256066 4.2882e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      407  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1998-05-23  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:31:42  

Additional Information
 Jupiter MOID = 2.4944 au 
 T_jup = 3.622 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.081013211662219E-15 -4.5477362234287E-15 4.795213400299248E-13 -1.528811066394052E-14 7.139288866359494E-14 -3.391127501124702E-16
q -4.5477362234287E-15 1.002519984051305E-14 -8.272655266420362E-13 3.360914918370938E-14 -9.318154051261265E-14 7.087347546917826E-16
tp 4.795213400299248E-13 -8.272655266420362E-13 4.034438708800855E-9 -1.925204808736455E-11 1.18806860456924E-9 -2.660960522281728E-12
node -1.528811066394052E-14 3.360914918370938E-14 -1.925204808736455E-11 2.412276466532031E-9 -2.406237559696776E-9 -1.262569949162969E-12
peri 7.139288866359494E-14 -9.318154051261265E-14 1.18806860456924E-9 -2.406237559696776E-9 2.752415089142335E-9 5.023878078796298E-13
i -3.391127501124702E-16 7.087347546917826E-16 -2.660960522281728E-12 -1.262569949162969E-12 5.023878078796298E-13 1.838824131836993E-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 16.9   n/a MPO449926  

183762 (2004 AG18)          Discovered 2004-Jan-15 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2004 AG18 = 2001 FH138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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