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381875 (2010 AK40)
Classification: Main-belt Asteroid          SPK-ID: 2381875
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08125897892157703 6.0198e-08  
a 2.669400424809898 3.5573e-08 au
q 2.452487671957022 1.513e-07 au
i 14.41013534023838 6.6082e-06 deg
node 284.8979761898346 2.6701e-05 deg
peri 120.3486498966297 5.7135e-05 deg
M 201.8441535425652 4.8115e-05 deg
tp 2459700.344839947337
(2022-Apr-30.84483995)
0.00021503 TDB
period 1593.011880524115
4.36
3.1844e-05
8.718e-08
d
yr
n .2259870151637267 4.5174e-09 deg/d
Q 2.886313177662774 3.8464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      3865 days (10.58 yr)  
   first obs. used      2008-09-22  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54964  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:54:14  

Additional Information
 Earth MOID = 1.49687 au 
 Jupiter MOID = 2.41534 au 
 T_jup = 3.332 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457458.5 (2016-Mar-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08170765913421807 5.9789e-08  
q 2.450765591139111 1.4996e-07 au
tp 2458110.445895810497
(2017-Dec-22.94589581)
0.00021097 TDB
node 284.9100387177155 2.6706e-05 deg
peri 121.0377616130542 5.7018e-05 deg
i 14.40993598594526 6.6079e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      3865 days (10.58 yr)  
   first obs. used      2008-09-22  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54964  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:54:14  

Additional Information
 Jupiter MOID = 2.41534 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.574679091295343E-15 -8.779003426739308E-15 -3.237668931031559E-12 -3.122250061109539E-14 -9.077511810482904E-13 -7.634362069321412E-15
q -8.779003426739308E-15 2.248776709770532E-14 8.738993960437846E-12 8.271487526723763E-14 2.307793544184361E-12 2.161275063823362E-14
tp -3.237668931031559E-12 8.738993960437846E-12 4.450785437827539E-8 -3.477730936961124E-11 1.064089506827044E-8 -2.452901746253221E-13
node -3.122250061109539E-14 8.271487526723763E-14 -3.477730936961124E-11 7.132025807416712E-10 -6.976896597388307E-10 4.813570325236636E-11
peri -9.077511810482904E-13 2.307793544184361E-12 1.064089506827044E-8 -6.976896597388307E-10 3.251067777728114E-9 -4.654929059507447E-11
i -7.634362069321412E-15 2.161275063823362E-14 -2.452901746253221E-13 4.813570325236636E-11 -4.654929059507447E-11 4.366432024495056E-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 16.1   n/a MPO434365  

381875 (2010 AK40)          Discovered 2010-Jan-12 by Lowe, A. at Mayhill
Reference: Last Updated: 2013-12-19

Alternate Designations
 2010 AK40 = 2008 SL292 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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