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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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131761571513464 2.8796e-08  
a 2.671743488930372 1.0941e-08 au
q 2.369365827959102 7.5404e-08 au
i 4.891441101231876 4.2075e-06 deg
node 336.7792056141423 4.0416e-05 deg
peri 125.5928944008238 4.5138e-05 deg
M 95.24469325383346 1.9977e-05 deg
tp 2458578.484061915239
(2019-Apr-04.98406192)
8.7862e-05 TDB
period 1595.109738089259
4.37
9.7983e-06
2.683e-08
d
yr
n .2256898013996421 1.3863e-09 deg/d
Q 2.974121149901642 1.2179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1682  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:37:23  

Additional Information
 Earth MOID = 1.39021 au 
 Jupiter MOID = 2.14706 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457139.5 (2015-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137325222337467 2.8891e-08  
q 2.369525106431522 7.5847e-08 au
tp 2456986.090668157839
(2014-Nov-24.59066816)
8.5463e-05 TDB
node 336.8014296880098 4.0395e-05 deg
peri 126.3612180153415 4.504e-05 deg
i 4.892445873458835 4.2069e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1682  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:37:23  

Additional Information
 Jupiter MOID = 2.14706 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.3466609496674E-16 -2.174148096168747E-15 2.968014831462589E-13 -5.425871268404301E-15 6.328112398055709E-14 -1.048187710348198E-15
q -2.174148096168747E-15 5.752749305126598E-15 -7.115593397476961E-13 1.49223437545222E-14 -1.496085898220888E-13 2.850698596557864E-15
tp 2.968014831462589E-13 -7.115593397476961E-13 7.303848763926733E-9 8.75917790008044E-12 1.714639002936821E-9 -2.254425446064643E-12
node -5.425871268404301E-15 1.49223437545222E-14 8.75917790008044E-12 1.631752853280836E-9 -1.62332770076053E-9 4.71296753963688E-11
peri 6.328112398055709E-14 -1.496085898220888E-13 1.714639002936821E-9 -1.62332770076053E-9 2.028592417867382E-9 -4.746716123869462E-11
i -1.048187710348198E-15 2.850698596557864E-15 -2.254425446064643E-12 4.71296753963688E-11 -4.746716123869462E-11 1.769809287062284E-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 33 CATAB v2.0f-lin.ifort 2020-Jun-24 00:37:40 2020-Jun-24 00:37

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