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39358 (2002 AL162)
Classification: Main-belt Asteroid          SPK-ID: 2039358
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0987973397389231 6.9498e-08  
a 2.994675000111254 2.2224e-08 au
q 2.698809076717603 2.1865e-07 au
i 8.773360144135911 5.7413e-06 deg
node 309.6015135827421 3.0815e-05 deg
peri 41.78046194801266 4.033e-05 deg
M 334.4996303334328 2.3016e-05 deg
tp 2459134.580909726951
(2020-Oct-12.08090973)
0.00012068 TDB
period 1892.879520291296
5.18
2.1071e-05
5.769e-08
d
yr
n .1901864308535598 2.1171e-09 deg/d
Q 3.290540923504905 2.4419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 17:36:22  

Additional Information
 Earth MOID = 1.69937 au 
 Jupiter MOID = 2.10825 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457183.5 (2015-Jun-10.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019331495709985 6.9252e-08  
q 2.688576316796049 2.1899e-07 au
tp 2457246.336885283241
(2015-Aug-11.83688528)
0.00012224 TDB
node 309.7746269711232 3.0896e-05 deg
peri 42.47782253122762 3.9845e-05 deg
i 8.762095489776121 5.7369e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 17:36:22  

Additional Information
 Jupiter MOID = 2.10825 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.795811511697561E-15 -1.511887000860049E-14 3.172875971015178E-13 2.139703262757369E-14 -3.588527223238105E-14 -6.987097438784256E-15
q -1.511887000860049E-14 4.795880549282595E-14 -1.891183518170604E-12 -6.533488984396426E-14 -6.961566934520348E-14 2.345045310903453E-14
tp 3.172875971015178E-13 -1.891183518170604E-12 1.494371987722318E-8 -2.757951596523593E-12 3.095364344606848E-9 -4.667024667414549E-12
node 2.139703262757369E-14 -6.533488984396426E-14 -2.757951596523593E-12 9.545387425975275E-10 -9.443053449867011E-10 6.492885071687551E-11
peri -3.588527223238105E-14 -6.961566934520348E-14 3.095364344606848E-9 -9.443053449867011E-10 1.58758973445436E-9 -6.503332336669673E-11
i -6.987097438784256E-15 2.345045310903453E-14 -4.667024667414549E-12 6.492885071687551E-11 -6.503332336669673E-11 3.291160514560978E-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 14.4   n/a MPO436045  
diameter diameter 4.441 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39358 (2002 AL162)          Discovered 2002-Jan-13 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 AL162 = 1997 ET43 = 1999 NT64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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