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39966 (1998 FB141)
Classification: Main-belt Asteroid          SPK-ID: 2039966
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2392551864638911 4.2502e-08  
a 2.548474200633814 1.3017e-08 au
q 1.938738530562755 1.0741e-07 au
i 3.963294701628631 4.1003e-06 deg
node 215.7613582281724 8.9134e-05 deg
peri 37.49516826192938 9.0374e-05 deg
M 111.7900486543534 1.5787e-05 deg
tp 2458539.055543143645
(2019-Feb-24.55554314)
6.5221e-05 TDB
period 1485.999929939369
4.07
1.1385e-05
3.117e-08
d
yr
n .2422611150558322 1.8561e-09 deg/d
Q 3.158209870704872 1.6131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      13653 days (37.38 yr)  
   first obs. used      1982-07-20  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:12:06  

Additional Information
 Earth MOID = .926168 au 
 Jupiter MOID = 1.89566 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456831.5 (2014-Jun-23.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2385220777415568 4.2512e-08  
q 1.941046531144889 1.0738e-07 au
tp 2457052.867430737569
(2015-Jan-30.36743074)
6.7003e-05 TDB
node 215.7769373720066 8.912e-05 deg
peri 37.58104424085174 9.0362e-05 deg
i 3.962551834414483 4.1014e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      13653 days (37.38 yr)  
   first obs. used      1982-07-20  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:12:06  

Additional Information
 Jupiter MOID = 1.89566 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.807286016478083E-15 -4.545371820687497E-15 1.519493755938459E-12 1.121561343960473E-15 2.956499389495866E-13 -3.042715430012268E-15
q -4.545371820687497E-15 1.152969563007229E-14 -4.017051269717146E-12 -9.140906952805193E-15 -7.912481445257844E-13 8.20511953611803E-15
tp 1.519493755938459E-12 -4.017051269717146E-12 4.489426005913634E-9 1.512639312464139E-11 1.048522450445774E-9 -8.346780183797444E-12
node 1.121561343960473E-15 -9.140906952805193E-15 1.512639312464139E-11 7.942360320302107E-9 -7.921005483450166E-9 -1.311405362824876E-10
peri 2.956499389495866E-13 -7.912481445257844E-13 1.048522450445774E-9 -7.921005483450166E-9 8.165360628420023E-9 1.289511401660817E-10
i -3.042715430012268E-15 8.20511953611803E-15 -8.346780183797444E-12 -1.311405362824876E-10 1.289511401660817E-10 1.682148232536985E-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 16.0   n/a MPO493127  

39966 (1998 FB141)          Discovered 1998-Mar-29 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FB141 = 1995 UK18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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