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19740 (2000 AG138)
Classification: Main-belt Asteroid          SPK-ID: 2019740
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0843512874390443 1.0125e-08  
a 2.757910758236437 1.2016e-08 au
q 2.525277435137203 2.5314e-08 au
i 10.2814382111143 1.0107e-06 deg
node 65.51920051101973 2.2112e-06 deg
peri 121.6976348664858 1.5999e-05 deg
M 67.20364425063551 1.4016e-05 deg
tp 2458888.209290967255
(2020-Feb-08.70929097)
6.499e-05 TDB
period 1672.895220272599
4.58
1.0933e-05
2.993e-08
d
yr
n .2151957849107476 1.4064e-09 deg/d
Q 2.990544081335672 1.303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1976  
   data-arc span      11285 days (30.90 yr)  
   first obs. used      1989-10-04  
   last obs. used      2020-08-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:05:11  

Additional Information
 Earth MOID = 1.54066 au 
 Jupiter MOID = 2.0129 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457246.5 (2015-Aug-12.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08520742261289123 1.0246e-08  
q 2.5226464102856 2.5676e-08 au
tp 2457212.031959078084
(2015-Jul-08.53195908)
6.4401e-05 TDB
node 65.53804760285254 2.211e-06 deg
peri 120.9483546592049 1.5814e-05 deg
i 10.28244434435885 1.0108e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1976  
   data-arc span      11285 days (30.90 yr)  
   first obs. used      1989-10-04  
   last obs. used      2020-08-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:05:11  

Additional Information
 Jupiter MOID = 2.0129 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.049789339506468E-16 -2.420114294591105E-16 -2.592263763792412E-13 -5.514250976016593E-16 -6.309509584084122E-14 5.834819690760828E-15
q -2.420114294591105E-16 6.592594270827229E-16 6.408279038165971E-13 2.813059476042973E-15 1.556110171920776E-13 -1.581218263679007E-14
tp -2.592263763792412E-13 6.408279038165971E-13 4.147543596318795E-9 -3.017509404024602E-11 1.009883276809392E-9 -1.604091889304952E-11
node -5.514250976016593E-16 2.813059476042973E-15 -3.017509404024602E-11 4.888711498219433E-12 -1.147366287796266E-11 -7.332546561329787E-14
peri -6.309509584084122E-14 1.556110171920776E-13 1.009883276809392E-9 -1.147366287796266E-11 2.500981825493231E-10 -4.000421807841844E-12
i 5.834819690760828E-15 -1.581218263679007E-14 -1.604091889304952E-11 -7.332546561329787E-14 -4.000421807841844E-12 1.021781977031056E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.38   n/a E2021B10  
diameter diameter 5.732 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19740 (2000 AG138)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AG138 = 1990 UW7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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