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JPL Small-Body Database Browser
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39899 (1998 FP26)
Classification: Main-belt Asteroid          SPK-ID: 2039899
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1854846652834269 6.3061e-08  
a 2.284752233056374 1.0362e-08 au
q 1.860965729852351 1.4287e-07 au
i 7.772614057334628 5.2919e-06 deg
node 5.025779977885696 2.9001e-05 deg
peri 4.512050030578074 3.1544e-05 deg
M 307.5148943346753 1.7568e-05 deg
tp 2459184.403784982369
(2020-Nov-30.90378498)
6.2313e-05 TDB
period 1261.412390323006
3.45
8.5816e-06
2.35e-08
d
yr
n .2853943744026614 1.9416e-09 deg/d
Q 2.708538736260398 1.2284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1541  
   data-arc span      7745 days (21.20 yr)  
   first obs. used      1998-02-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51748  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:12:08  

Additional Information
 Earth MOID = .860361 au 
 Jupiter MOID = 2.755 au 
 T_jup = 3.568 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456247.5 (2012-Nov-16.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850271601794916 6.2815e-08  
q 1.861854265293366 1.4232e-07 au
tp 2456662.533816825297
(2014-Jan-05.03381683)
5.4364e-05 TDB
node 5.136977422445359 2.9024e-05 deg
peri 4.465468095666281 3.1601e-05 deg
i 7.770121017169306 5.2889e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1541  
   data-arc span      7745 days (21.20 yr)  
   first obs. used      1998-02-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51748  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:12:08  

Additional Information
 Jupiter MOID = 2.755 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.945762381279488E-15 -8.925133064422037E-15 1.503413833785432E-12 8.364451959550364E-16 2.032684965364666E-13 -1.546280935992651E-15
q -8.925133064422037E-15 2.025573457743556E-14 -3.261919215270367E-12 -1.848200811459639E-15 -4.314136069794381E-13 3.316348912014823E-15
tp 1.503413833785432E-12 -3.261919215270367E-12 2.955416842886075E-9 -4.065639110485648E-12 6.769464917047548E-10 -5.789528535443734E-12
node 8.364451959550364E-16 -1.848200811459639E-15 -4.065639110485648E-12 8.424161026309754E-10 -8.352405590453968E-10 -7.630364389589506E-12
peri 2.032684965364666E-13 -4.314136069794381E-13 6.769464917047548E-10 -8.352405590453968E-10 9.986069735899234E-10 6.16839996525977E-12
i -1.546280935992651E-15 3.316348912014823E-15 -5.789528535443734E-12 -7.630364389589506E-12 6.16839996525977E-12 2.79722175082047E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO337581  
diameter diameter 3.256 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.348   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

39899 (1998 FP26)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FP26 = 1958 TE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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