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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3522419186667806 4.5989e-08  
a 2.552444794531022 3.8702e-08 au
q 1.653366742814378 1.1685e-07 au
i 7.28360233497097 1.27e-05 deg
node 78.14709473984431 4.0837e-05 deg
peri 276.9137496572496 7.3558e-05 deg
M 11.37657768435646 7.5279e-05 deg
tp 2458953.430227481349
(2020-Apr-13.93022748)
0.00031103 TDB
period 1489.474126302068
4.08
3.3876e-05
9.275e-08
d
yr
n .2416960413362638 5.4971e-09 deg/d
Q 3.451522846247666 5.2334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      3464 days (9.48 yr)  
   first obs. used      2011-05-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:41:06  

Additional Information
 Earth MOID = .668979 au 
 Jupiter MOID = 2.04696 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457577.5 (2016-Jul-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3540247216551929 4.6313e-08  
q 1.647991546797369 1.1738e-07 au
tp 2457465.215227292566
(2016-Mar-17.71522729)
0.00029825 TDB
node 78.16614781905193 4.0879e-05 deg
peri 277.0529455910151 7.3375e-05 deg
i 7.284033127568041 1.27e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      3464 days (9.48 yr)  
   first obs. used      2011-05-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:41:06  

Additional Information
 Jupiter MOID = 2.04696 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.144872929532863E-15 -5.318207433200685E-15 1.653406014011432E-12 2.179153328977637E-14 4.161445010873883E-13 -2.712439923685328E-16
q -5.318207433200685E-15 1.377787167895964E-14 -2.411379220861404E-12 -3.871842895082281E-14 -6.798539478553833E-13 9.458192660643696E-16
tp 1.653406014011432E-12 -2.411379220861404E-12 8.895472558952718E-8 1.102531026434984E-9 1.821096903982584E-8 -1.334088491812222E-10
node 2.179153328977637E-14 -3.871842895082281E-14 1.102531026434984E-9 1.671131810083886E-9 -1.417757258510888E-9 -6.648575224546698E-11
peri 4.161445010873883E-13 -6.798539478553833E-13 1.821096903982584E-8 -1.417757258510888E-9 5.383862755995864E-9 3.702618409786134E-11
i -2.712439923685328E-16 9.458192660643696E-16 -1.334088491812222E-10 -6.648575224546698E-11 3.702618409786134E-11 1.612917331826779E-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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