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146958 (2002 FA39)
Classification: Main-belt Asteroid          SPK-ID: 2146958
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02653484282452181 4.6398e-08  
a 3.126235861078625 3.1215e-08 au
q 3.04328168387252 1.4436e-07 au
i 15.2083983882201 4.9622e-06 deg
node 90.18639729376062 2.0839e-05 deg
peri 330.3205890411995 0.00010237 deg
M 204.5901218884885 0.00010074 deg
tp 2459872.079800882274
(2022-Oct-19.57980088)
0.00056779 TDB
period 2018.975448217516
5.53
3.0239e-05
8.279e-08
d
yr
n .1783082604188336 2.6706e-09 deg/d
Q 3.20919003828473 3.2044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57254  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:22:16  

Additional Information
 Earth MOID = 2.06446 au 
 Jupiter MOID = 2.01421 au 
 T_jup = 3.160 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457156.5 (2015-May-14.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02881956804874362 4.6372e-08  
q 3.033782122682701 1.4456e-07 au
tp 2457860.867990841852
(2017-Apr-17.36799084)
0.00051687 TDB
node 90.20332814462128 2.0848e-05 deg
peri 331.3888584339887 9.4604e-05 deg
i 15.20888132662287 4.9626e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57254  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:22:16  

Additional Information
 Jupiter MOID = 2.01421 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.150380544442832E-15 -6.550650091329504E-15 -2.179245346706469E-12 4.986572674278033E-15 -4.029123047567121E-13 9.876841109413151E-16
q -6.550650091329504E-15 2.089850502105065E-14 9.136569782661124E-12 -1.173410650681511E-14 1.607745093315825E-12 -8.151881989870218E-16
tp -2.179245346706469E-12 9.136569782661124E-12 2.671516340133065E-7 -8.79322791596794E-11 4.773054398569908E-8 2.57264545733963E-11
node 4.986572674278033E-15 -1.173410650681511E-14 -8.79322791596794E-11 4.34621798889686E-10 -4.348229888329248E-10 -6.572549962469335E-12
peri -4.029123047567121E-13 1.607745093315825E-12 4.773054398569908E-8 -4.348229888329248E-10 8.949865660420054E-9 1.08325802241831E-11
i 9.876841109413151E-16 -8.151881989870218E-16 2.57264545733963E-11 -6.572549962469335E-12 1.08325802241831E-11 2.462784299439444E-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 14.7   n/a MPO436738  
diameter diameter 6.353 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146958 (2002 FA39)          Discovered 2002-Mar-31 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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