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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3523897966442106 4.3942e-08  
a 2.553338022286889 3.2753e-08 au
q 1.653567755849281 1.081e-07 au
i 7.282559742565504 1.2045e-05 deg
node 78.14323566633917 3.7664e-05 deg
peri 276.9596129039246 6.4727e-05 deg
M 107.0066040541094 6.2542e-05 deg
tp 2458953.535445020603
(2020-Apr-14.03544502)
0.00025702 TDB
period 1490.256056644373
4.08
2.8674e-05
7.851e-08
d
yr
n .241569224560386 4.6481e-09 deg/d
Q 3.453108288724497 4.4295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      3516 days (9.63 yr)  
   first obs. used      2011-05-24  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:21:58  

Additional Information
 Earth MOID = .668387 au 
 Jupiter MOID = 2.04681 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457758.5 (2017-Jan-05.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3539743780465049 4.4717e-08  
q 1.647944907391179 1.1041e-07 au
tp 2457465.187258824638
(2016-Mar-17.68725882)
0.00025184 TDB
node 78.16603723011877 3.7694e-05 deg
peri 277.0413301408982 6.4612e-05 deg
i 7.284228558417835 1.2047e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      3516 days (9.63 yr)  
   first obs. used      2011-05-24  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:21:58  

Additional Information
 Jupiter MOID = 2.04681 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.999571828174853E-15 -4.853544863543149E-15 3.491411524252522E-12 3.96045844059092E-14 7.875140975903012E-13 -2.737515968403184E-15
q -4.853544863543149E-15 1.218958099086968E-14 -8.684985301138811E-12 -1.011884207267714E-13 -1.933576435591653E-12 8.866737534976783E-15
tp 3.491411524252522E-12 -8.684985301138811E-12 6.342199856262613E-8 7.159657772043608E-10 1.323615188528641E-8 -8.791895354749829E-11
node 3.96045844059092E-14 -1.011884207267714E-13 7.159657772043608E-10 1.420868139858332E-9 -1.251605661942448E-9 -3.76212862066571E-11
peri 7.875140975903012E-13 -1.933576435591653E-12 1.323615188528641E-8 -1.251605661942448E-9 4.174707203832328E-9 1.807019960695183E-11
i -2.737515968403184E-15 8.866737534976783E-15 -8.791895354749829E-11 -3.76212862066571E-11 1.807019960695183E-11 1.451372715350176E-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 17.51   n/a MPCxxxxx  

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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