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86978 (2000 JT18)
Classification: Main-belt Asteroid          SPK-ID: 2086978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2390013596978326 5.046e-08  
a 2.567383901075913 1.7661e-08 au
q 1.953775657852444 1.3225e-07 au
i 13.37356892272076 5.5854e-06 deg
node 108.5550438289116 2.2342e-05 deg
peri 153.0405929771512 3.0268e-05 deg
M 290.6499745485238 2.7145e-05 deg
tp 2459289.953477335811
(2021-Mar-16.45347734)
0.00011551 TDB
period 1502.56977070329
4.11
1.5505e-05
4.245e-08
d
yr
n .2395895398797348 2.4723e-09 deg/d
Q 3.180992144299382 2.1883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      9251 days (25.33 yr)  
   first obs. used      1994-12-31  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57688  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:50:59  

Additional Information
 Earth MOID = .947041 au 
 Jupiter MOID = 1.96231 au 
 T_jup = 3.354 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO366229  

86978 (2000 JT18)          Discovered 2000-May-03 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2000 JT18 = 2000 HR30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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