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487594 (2015 KT40)
Classification: Mars-crossing Asteroid          SPK-ID: 2487594
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3523323894194927 4.4473e-08  
a 2.553000725508822 3.3319e-08 au
q 1.6534958797006 1.0887e-07 au
i 7.283207040373762 1.2233e-05 deg
node 78.14758488031781 3.8505e-05 deg
peri 276.9360481217767 6.6135e-05 deg
M 59.68557879473497 6.3295e-05 deg
tp 2458953.474524931554
(2020-Apr-13.97452493)		 0.00026113 TDB
period 1489.960771436554
4.08		 2.9168e-05
7.986e-08		 d
yr
n .2416170995246432 4.7299e-09 deg/d
Q 3.452505571317044 4.5058e-08 au
   Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      3516 days (9.63 yr)  
   first obs. used      2011-05-24  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:32:50  

Additional Information
 Earth MOID = .667499 au 
 Jupiter MOID = 2.04691 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457715.5 (2016-Nov-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3539915842769412 4.5179e-08  
q 1.647928599291661 1.1107e-07 au
tp 2457465.194539792999
(2016-Mar-17.69453979)		 0.000257 TDB
node 78.16596281087566 3.8542e-05 deg
peri 277.0427109336111 6.6002e-05 deg
i 7.284207250366213 1.2234e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      3516 days (9.63 yr)  
   first obs. used      2011-05-24  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:32:50  

Additional Information
 Jupiter MOID = 2.04691 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.041158332407461E-15 -4.931827606677295E-15 3.164042855915386E-12 3.671252027006901E-14 7.145915083473741E-13 -1.803548325884735E-15
q -4.931827606677295E-15 1.23376088289814E-14 -8.076093786167495E-12 -9.648888087520522E-14 -1.797272746197824E-12 6.964411366930525E-15
tp 3.164042855915386E-12 -8.076093786167495E-12 6.604994168646958E-8 7.658840233195609E-10 1.379427296971565E-8 -8.834830706590732E-11
node 3.671252027006901E-14 -9.648888087520522E-14 7.658840233195609E-10 1.485495467425943E-9 -1.304346312189562E-9 -2.066041439920174E-11
peri 7.145915083473741E-13 -1.797272746197824E-12 1.379427296971565E-8 -1.304346312189562E-9 4.356245666113188E-9 1.101037898661284E-12
i -1.803548325884735E-15 6.964411366930525E-15 -8.834830706590732E-11 -2.066041439920174E-11 1.101037898661284E-12 1.49659128956383E-10

[ 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 MPO477318  

487594 (2015 KT40)          Discovered 2011-May-24 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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