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136407 (2005 AR39)
Classification: Main-belt Asteroid          SPK-ID: 2136407
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857049595552942 3.3284e-08  
a 2.349714721874303 1.0112e-08 au
q 1.913361044482156 7.7026e-08 au
i 3.528339721491006 3.5644e-06 deg
node 83.79126445203013 8.2146e-05 deg
peri 158.9701731581966 8.3236e-05 deg
M 6.523339352958727 1.2443e-05 deg
tp 2458976.660968654914
(2020-May-07.16096865)
4.5475e-05 TDB
period 1315.591726856631
3.60
8.4925e-06
2.325e-08
d
yr
n .2736411248648963 1.7664e-09 deg/d
Q 2.786068399266449 1.199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:30:50  

Additional Information
 Earth MOID = .90087 au 
 Jupiter MOID = 2.23095 au 
 T_jup = 3.533 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457121.5 (2015-Apr-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860962499076586 3.3244e-08  
q 1.911941367367596 7.6961e-08 au
tp 2457660.362292845484
(2016-Sep-28.86229285)
4.6293e-05 TDB
node 83.82691272234537 8.2124e-05 deg
peri 158.8431598137774 8.3209e-05 deg
i 3.529127352347986 3.5652e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:30:50  

Additional Information
 Jupiter MOID = 2.23095 au 
 T_jup = 3.533 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.105133356452754E-15 -2.544253718719717E-15 -3.950905983795204E-13 6.699952448687896E-16 -1.185490398413248E-13 -2.338858252312925E-16
q -2.544253718719717E-15 5.922959239841061E-15 8.524227667472926E-13 -2.264885144541591E-15 2.493873067007354E-13 5.800544974307642E-16
tp -3.950905983795204E-13 8.524227667472926E-13 2.143016656329482E-9 9.451504980789382E-13 6.483293827893664E-10 9.673247972882926E-13
node 6.699952448687896E-16 -2.264885144541591E-15 9.451504980789382E-13 6.744424808579805E-9 -6.730895315261042E-9 -1.266460356180432E-11
peri -1.185490398413248E-13 2.493873067007354E-13 6.483293827893664E-10 -6.730895315261042E-9 6.923796425413763E-9 1.292720244194637E-11
i -2.338858252312925E-16 5.800544974307642E-16 9.673247972882926E-13 -1.266460356180432E-11 1.292720244194637E-11 1.27106142737771E-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 16.5   n/a MPO422493  

136407 (2005 AR39)          Discovered 2005-Jan-13 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2005 AR39 = 1998 FE128 = 2002 LX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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