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173234 (1999 AK11)
Classification: Main-belt Asteroid          SPK-ID: 2173234
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .03842166569105653 6.2276e-08  
a 2.716047952131585 2.2607e-08 au
q 2.611692865713907 1.7313e-07 au
i 7.1979589530919 6.837e-06 deg
node 122.2852194901088 4.668e-05 deg
peri 242.1808110714374 9.4103e-05 deg
M 28.90796749348082 7.9578e-05 deg
tp 2458869.213632083713
(2020-Jan-20.71363208)
0.00036149 TDB
period 1634.950380393283
4.48
2.0413e-05
5.589e-08
d
yr
n .2201901686541722 2.7492e-09 deg/d
Q 2.820403038549264 2.3476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7629 days (20.89 yr)  
   first obs. used      1998-12-13  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62882  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:33:36  

Additional Information
 Earth MOID = 1.61591 au 
 Jupiter MOID = 2.36678 au 
 T_jup = 3.348 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456961.5 (2014-Oct-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04037011324806634 6.3207e-08  
q 2.607177058114989 1.7612e-07 au
tp 2457225.314397974322
(2015-Jul-21.81439797)
0.00033852 TDB
node 122.4068374986598 4.6728e-05 deg
peri 240.2875507527055 8.942e-05 deg
i 7.194446277551399 6.8361e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7629 days (20.89 yr)  
   first obs. used      1998-12-13  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62882  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:33:36  

Additional Information
 Jupiter MOID = 2.36678 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.995079401396566E-15 -1.104752754892099E-14 -6.699525661664794E-12 1.049791142974889E-14 -1.550577980570854E-12 -4.523633829964024E-15
q -1.104752754892099E-14 3.101745354811915E-14 1.748804042035242E-11 -2.695577095346633E-14 4.031666114580464E-12 1.387811580689138E-14
tp -6.699525661664794E-12 1.748804042035242E-11 1.145990031067452E-7 -5.60752994190357E-11 2.584481999810958E-8 1.791059905574457E-12
node 1.049791142974889E-14 -2.695577095346633E-14 -5.60752994190357E-11 2.183489094563968E-9 -2.17809618364429E-9 1.027622853710321E-10
peri -1.550577980570854E-12 4.031666114580464E-12 2.584481999810958E-8 -2.17809618364429E-9 7.99593970719354E-9 -1.015149944824072E-10
i -4.523633829964024E-15 1.387811580689138E-14 1.791059905574457E-12 1.027622853710321E-10 -1.015149944824072E-10 4.673268739981518E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO417933  

173234 (1999 AK11)          Discovered 1999-Jan-07 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1999 AK11 = 2004 BA135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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