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172417 (2003 FW37)
Classification: Main-belt Asteroid          SPK-ID: 2172417
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2144419618646851 5.988e-08  
a 3.044472482714471 2.3176e-08 au
q 2.391609830678131 1.7728e-07 au
i 1.409625662684639 9.6922e-06 deg
node 219.0589949132128 0.00023163 deg
peri 297.8600812737514 0.00023351 deg
M 108.8473771210218 2.4476e-05 deg
tp 2458413.846083898494
(2018-Oct-22.34608390)
0.00013116 TDB
period 1940.289379336396
5.31
2.2155e-05
6.066e-08
d
yr
n .1855393344074916 2.1186e-09 deg/d
Q 3.697335134750811 2.8146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      6430 days (17.60 yr)  
   first obs. used      2001-11-21  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:49:00  

Additional Information
 Earth MOID = 1.40156 au 
 Jupiter MOID = 1.3049 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139092482777974 5.9251e-08  
q 2.389027914976907 1.7457e-07 au
tp 2456475.011010068553
(2013-Jul-01.51101007)
0.0001292 TDB
node 219.2442472105572 0.00023107 deg
peri 296.9407837098968 0.00023301 deg
i 1.41139807476848 9.7109e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      6430 days (17.60 yr)  
   first obs. used      2001-11-21  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:49:00  

Additional Information
 Jupiter MOID = 1.3049 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.510657023867236E-15 -1.029459351128027E-14 2.079174371638805E-12 -1.358652137471074E-14 4.177112002339812E-13 -9.024624452016007E-16
q -1.029459351128027E-14 3.047344716001759E-14 -6.187730817131471E-12 1.407937745745912E-14 -1.192097445400673E-12 1.406745729248603E-15
tp 2.079174371638805E-12 -6.187730817131471E-12 1.669142742237356E-8 1.289365980627411E-11 3.863447547297834E-9 2.440826030315439E-12
node -1.358652137471074E-14 1.407937745745912E-14 1.289365980627411E-11 5.339129271053427E-8 -5.337726658236651E-8 9.248687736105218E-12
peri 4.177112002339812E-13 -1.192097445400673E-12 3.863447547297834E-9 -5.337726658236651E-8 5.429246413906319E-8 -8.966484828194651E-12
i -9.024624452016007E-16 1.406745729248603E-15 2.440826030315439E-12 9.248687736105218E-12 -8.966484828194651E-12 9.43010173522154E-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 16.4   n/a MPO251402  

172417 (2003 FW37)          Discovered 2003-Mar-23 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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