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173641 (2001 FE142)
Classification: Main-belt Asteroid          SPK-ID: 2173641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529608493009831 5.6331e-08  
a 2.355340108093437 1.2343e-08 au
q 1.995065284766796 1.3209e-07 au
i 1.500515700700203 7.4491e-06 deg
node 224.4675202565502 0.00023718 deg
peri 272.5043433275942 0.00023872 deg
M 38.33019666237765 2.5214e-05 deg
tp 2458459.921982317079
(2018-Dec-07.42198232)
9.2236e-05 TDB
period 1320.318985358222
3.61
1.0378e-05
2.841e-08
d
yr
n .2726613825842448 2.1433e-09 deg/d
Q 2.715614931420079 1.4231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      9109 days (24.94 yr)  
   first obs. used      1994-05-03  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:24:16  

Additional Information
 Earth MOID = 1.00983 au 
 Jupiter MOID = 2.31699 au 
 T_jup = 3.538 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456429.5 (2013-May-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532254772545847 5.64e-08  
q 1.994764350382124 1.3238e-07 au
tp 2455819.363411058311
(2011-Sep-14.86341106)
8.9941e-05 TDB
node 224.5397967890165 0.00023736 deg
peri 272.5622215155718 0.00023889 deg
i 1.499833711632947 7.4456e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      9109 days (24.94 yr)  
   first obs. used      1994-05-03  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:24:16  

Additional Information
 Jupiter MOID = 2.31699 au 
 T_jup = 3.538 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.181013684667877E-15 -7.44328014888297E-15 2.244611777642693E-12 5.637188343608767E-15 7.194467425714713E-13 -8.095368481873218E-16
q -7.44328014888297E-15 1.752546739565012E-14 -5.314186559492305E-12 -1.139752765145593E-14 -1.689454451955671E-12 2.004960173256793E-15
tp 2.244611777642693E-12 -5.314186559492305E-12 8.089407486863659E-9 -5.369622542354231E-11 2.45893705300572E-9 1.411811655526088E-12
node 5.637188343608767E-15 -1.139752765145593E-14 -5.369622542354231E-11 5.634209003046675E-8 -5.63362525137723E-8 -7.086420407368112E-10
peri 7.194467425714713E-13 -1.689454451955671E-12 2.45893705300572E-9 -5.63362525137723E-8 5.706830672947474E-8 7.087793907161419E-10
i -8.095368481873218E-16 2.004960173256793E-15 1.411811655526088E-12 -7.086420407368112E-10 7.087793907161419E-10 5.543642257521295E-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 17.4   n/a MPO422664  

173641 (2001 FE142)          Discovered 2001-Mar-23 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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