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215829 (2005 AK61)
Classification: Main-belt Asteroid          SPK-ID: 2215829
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05774513382014725 4.9367e-08  
a 2.22387929855444 1.6355e-08 au
q 2.095461090859559 1.0724e-07 au
i 2.992588114580145 4.8609e-06 deg
node 57.22189783569237 0.00012095 deg
peri 47.00531802662564 0.00013682 deg
M 248.2023747466679 6.2112e-05 deg
tp 2459376.679671535495
(2021-Jun-11.17967154)
0.00020947 TDB
period 1211.337731422359
3.32
1.3363e-05
3.659e-08
d
yr
n .2971920965239696 3.2785e-09 deg/d
Q 2.352297506249322 1.73e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2002-03-10  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58416  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 23:53:54  

Additional Information
 Earth MOID = 1.11367 au 
 Jupiter MOID = 2.70081 au 
 T_jup = 3.643 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456439.5 (2013-May-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05734602272716498 4.9301e-08  
q 2.096727220314965 1.0703e-07 au
tp 2456951.711631276094
(2014-Oct-21.21163128)
0.00020932 TDB
node 57.28313405609286 0.00012078 deg
peri 46.48453771578772 0.00013692 deg
i 2.994756971699758 4.8635e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2002-03-10  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58416  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 23:53:54  

Additional Information
 Jupiter MOID = 2.70081 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.430580643751742E-15 -5.225390991403742E-15 1.533402004586527E-12 2.741101829744606E-14 3.536594280211353E-13 -3.517923131101998E-15
q -5.225390991403742E-15 1.145615760805163E-14 -3.39798400896371E-12 -5.910898244533522E-14 -8.213434241301511E-13 7.826399229795245E-15
tp 1.533402004586527E-12 -3.39798400896371E-12 4.381644206819712E-8 9.032411976112023E-11 1.352126967702131E-8 -1.431685266048013E-11
node 2.741101829744606E-14 -5.910898244533522E-14 9.032411976112023E-11 1.458880767820026E-8 -1.454166525540213E-8 -8.652239964608663E-11
peri 3.536594280211353E-13 -8.213434241301511E-13 1.352126967702131E-8 -1.454166525540213E-8 1.874589879163128E-8 8.204909848689704E-11
i -3.517923131101998E-15 7.826399229795245E-15 -1.431685266048013E-11 -8.652239964608663E-11 8.204909848689704E-11 2.365329531067093E-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 17.3   n/a MPO437031  

215829 (2005 AK61)          Discovered 2005-Jan-15 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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