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46178 (2001 FA98)
Classification: Main-belt Asteroid          SPK-ID: 2046178
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06277332540133417 3.5705e-08  
a 3.048714805993178 2.3206e-08 au
q 2.857336839420703 1.0224e-07 au
i 12.88104331390992 3.5726e-06 deg
node 125.9449643751908 2.3183e-05 deg
peri 151.3498139565701 4.8198e-05 deg
M 139.9430579244091 4.363e-05 deg
tp 2458244.672854552058
(2018-May-06.17285455)
0.00023426 TDB
period 1944.346339124831
5.32
2.2199e-05
6.078e-08
d
yr
n .1851521988423314 2.114e-09 deg/d
Q 3.240092772565653 2.4662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1998-11-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:22:56  

Additional Information
 Earth MOID = 1.84743 au 
 Jupiter MOID = 1.96891 au 
 T_jup = 3.196 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457225.5 (2015-Jul-22.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0657090210225882 3.5436e-08  
q 2.846136191484517 1.017e-07 au
tp 2456302.758222154164
(2013-Jan-10.25822215)
0.0002225 TDB
node 126.0984540746433 2.315e-05 deg
peri 151.4829339227824 4.6685e-05 deg
i 12.89434303388897 3.5772e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1998-11-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:22:56  

Additional Information
 Jupiter MOID = 1.96891 au 
 T_jup = 3.196 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.255690090804558E-15 -3.534268006196396E-15 -1.431378622407371E-12 1.064966715081985E-15 -2.502442955728328E-13 3.631107368608993E-16
q -3.534268006196396E-15 1.034189849774031E-14 4.58116480136097E-12 -3.448007067919231E-15 8.378292373913428E-13 -8.300644639298965E-17
tp -1.431378622407371E-12 4.58116480136097E-12 4.95070949275508E-8 -1.645747781577243E-12 9.063966409181099E-9 -5.606039009997221E-12
node 1.064966715081985E-15 -3.448007067919231E-15 -1.645747781577243E-12 5.359055504617765E-10 -5.222693295683558E-10 9.470904624076986E-12
peri -2.502442955728328E-13 8.378292373913428E-13 9.063966409181099E-9 -5.222693295683558E-10 2.1794619464384E-9 -1.022023870872973E-11
i 3.631107368608993E-16 -8.300644639298965E-17 -5.606039009997221E-12 9.470904624076986E-12 -1.022023870872973E-11 1.279631179668771E-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 13.7   n/a MPO452801  
diameter diameter 8.471 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.107   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46178 (2001 FA98)          Discovered 2001-Mar-16 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 FA98 = 2000 AK85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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