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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131761536902727 2.9538e-08  
a 2.671743489892733 1.1088e-08 au
q 2.369365838059648 7.7804e-08 au
i 4.891440888714492 4.3391e-06 deg
node 336.7792065863203 4.0712e-05 deg
peri 125.5928919077576 4.5503e-05 deg
M 95.2446942072124 2.0046e-05 deg
tp 2458578.484057462935
(2019-Apr-04.98405746)
8.8206e-05 TDB
period 1595.109738951095
4.37
9.9298e-06
2.719e-08
d
yr
n .2256898012777021 1.405e-09 deg/d
Q 2.974121141725819 1.2343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1592  
   data-arc span      8074 days (22.11 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:37:16  

Additional Information
 Earth MOID = 1.39021 au 
 Jupiter MOID = 2.14706 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457024.5 (2015-Jan-02.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134985272518864 2.9685e-08  
q 2.369698942439451 7.8345e-08 au
tp 2456986.290633597324
(2014-Nov-24.79063360)
8.6044e-05 TDB
node 336.802805940687 4.0701e-05 deg
peri 126.4207975410495 4.5421e-05 deg
i 4.892229503138038 4.3378e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1592  
   data-arc span      8074 days (22.11 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:37:16  

Additional Information
 Jupiter MOID = 2.14706 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.812131251876283E-16 -2.307907059438293E-15 3.583293421684123E-13 -5.613608535796364E-15 8.147529475083393E-14 -1.114255920140662E-15
q -2.307907059438293E-15 6.137985163653413E-15 -8.963499726894149E-13 1.55914875080719E-14 -2.038345449262509E-13 3.035577613998779E-15
tp 3.583293421684123E-13 -8.963499726894149E-13 7.403520138613091E-9 5.271201816821211E-12 1.746453860622297E-9 -1.667142853434194E-12
node -5.613608535796364E-15 1.55914875080719E-14 5.271201816821211E-12 1.656559229161366E-9 -1.648913745837533E-9 4.193023634798517E-11
peri 8.147529475083393E-14 -2.038345449262509E-13 1.746453860622297E-9 -1.648913745837533E-9 2.063050147207315E-9 -4.214780367356878E-11
i -1.114255920140662E-15 3.035577613998779E-15 -1.667142853434194E-12 4.193023634798517E-11 -4.214780367356878E-11 1.881621158964335E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2103-Jun-11 12:23 00:10 Amphi 0.0478104076583388 0.0477978355568931 0.0478229810685727 1.2118366117066 1.21183651248493 2489326.015681855 10.4685198676121 733.434720425176 52.1738069078748 -32.1364585235628 72983.8742700882 T 32 CATAB v2.0f-lin.ifort 2020-May-20 16:37:30 2020-May-20 16:37

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