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39895 (1998 FK15)
Classification: Main-belt Asteroid          SPK-ID: 2039895
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1561123363657788 5.046e-08  
a 2.394244759974014 8.8448e-09 au
q 2.020473616662947 1.2428e-07 au
i 5.707990841516779 5.2226e-06 deg
node 170.962032725715 3.4806e-05 deg
peri 15.50300670518697 3.654e-05 deg
M 354.4789283456105 1.2278e-05 deg
tp 2459021.252581499833
(2020-Jun-20.75258150)
4.6195e-05 TDB
period 1353.166524111313
3.70
7.4983e-06
2.053e-08
d
yr
n .2660426441131691 1.4742e-09 deg/d
Q 2.76801590328508 1.0226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      7992 days (21.88 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:38:01  

Additional Information
 Earth MOID = 1.02282 au 
 Jupiter MOID = 2.18782 au 
 T_jup = 3.507 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456829.5 (2014-Jun-21.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1563954811069968 5.0449e-08  
q 2.020081601346049 1.243e-07 au
tp 2456315.103325316467
(2013-Jan-22.60332532)
4.2459e-05 TDB
node 170.9780210082359 3.4803e-05 deg
peri 15.60522725524844 3.6537e-05 deg
i 5.707647466205948 5.2231e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      7992 days (21.88 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:38:01  

Additional Information
 Jupiter MOID = 2.18782 au 
 T_jup = 3.507 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.545070070673375E-15 -6.261540790080021E-15 -4.418056815538647E-13 -1.440899678651829E-14 -1.045499021624784E-13 -7.071744942612503E-15
q -6.261540790080021E-15 1.544963691648046E-14 1.084201910162517E-12 3.473760625221555E-14 2.602047188915545E-13 1.757863600828721E-14
tp -4.418056815538647E-13 1.084201910162517E-12 1.80280825608154E-9 1.475934030884292E-11 4.796480578761072E-10 1.025878651953312E-12
node -1.440899678651829E-14 3.473760625221555E-14 1.475934030884292E-11 1.211227451148249E-9 -1.200876570395325E-9 5.39834904001886E-12
peri -1.045499021624784E-13 2.602047188915545E-13 4.796480578761072E-10 -1.200876570395325E-9 1.334922633961814E-9 -4.999452555824681E-12
i -7.071744942612503E-15 1.757863600828721E-14 1.025878651953312E-12 5.39834904001886E-12 -4.999452555824681E-12 2.728123148511444E-11

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 15.4   n/a MPO412462  

39895 (1998 FK15)          Discovered 1998-Mar-28 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

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