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JPL Small-Body Database Browser
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91054 (1998 FB48)
Classification: Main-belt Asteroid          SPK-ID: 2091054
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131761666099019 3.7877e-08  
a 2.671743486278717 1.2897e-08 au
q 2.369365800336717 1.0412e-07 au
i 4.891443423687348 4.8403e-06 deg
node 336.7791875237455 4.3707e-05 deg
peri 125.5929162499745 4.9177e-05 deg
M 95.24469100503785 2.076e-05 deg
tp 2458578.484072507602
(2019-Apr-04.98407251)
9.181e-05 TDB
period 1595.109735714584
4.37
1.155e-05
3.162e-08
d
yr
n .2256898017356315 1.6342e-09 deg/d
Q 2.974121172220717 1.4357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1423  
   data-arc span      7990 days (21.88 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:30  

Additional Information
 Earth MOID = 1.39021 au 
 Jupiter MOID = 2.14706 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456593.5 (2013-Oct-28.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130174404507135 3.831e-08  
q 2.370033398733063 1.0536e-07 au
tp 2456986.395174455954
(2014-Nov-24.89517446)
9.1506e-05 TDB
node 336.8089989737034 4.3708e-05 deg
peri 126.4325159785818 4.9092e-05 deg
i 4.891933082690751 4.8392e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1423  
   data-arc span      7990 days (21.88 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52257  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:22:30  

Additional Information
 Jupiter MOID = 2.14706 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.467685934686279E-15 -4.013487200658304E-15 1.09490409864715E-12 -8.523839124432958E-15 3.026844332007297E-13 -1.993699609756317E-15
q -4.013487200658304E-15 1.110102005759376E-14 -3.034024197192226E-12 2.421585922257589E-14 -8.470903999865363E-13 5.663919531372658E-15
tp 1.09490409864715E-12 -3.034024197192226E-12 8.373429439659015E-9 -1.63043160289375E-11 2.053544297291711E-9 -3.138791267944117E-13
node -8.523839124432958E-15 2.421585922257589E-14 -1.63043160289375E-11 1.910394961886336E-9 -1.907210386552976E-9 8.273075638834197E-12
peri 3.026844332007297E-13 -8.470903999865363E-13 2.053544297291711E-9 -1.907210386552976E-9 2.409987073797882E-9 -8.353511825883086E-12
i -1.993699609756317E-15 5.663919531372658E-15 -3.138791267944117E-13 8.273075638834197E-12 -8.353511825883086E-12 2.341765530303303E-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 14.3   n/a MPO337938  
diameter diameter 4.363 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91054 (1998 FB48)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 FB48 = 2000 RB23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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