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72751 (2001 FW128)
Classification: Main-belt Asteroid          SPK-ID: 2072751
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313171945491781 3.6837e-08  
a 2.60788561811007 1.336e-08 au
q 2.265425395034706 1.0309e-07 au
i 8.67973415993464 3.5813e-06 deg
node 137.9743414533068 2.875e-05 deg
peri 327.2221310277548 3.4026e-05 deg
M 351.6182206042874 1.9296e-05 deg
tp 2459432.315000479632
(2021-Aug-05.81500048)
8.2522e-05 TDB
period 1538.265273273934
4.21
1.1821e-05
3.236e-08
d
yr
n .2340298557438027 1.7984e-09 deg/d
Q 2.950345841185433 1.5115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      10127 days (27.73 yr)  
   first obs. used      1993-04-22  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:24  

Additional Information
 Earth MOID = 1.28769 au 
 Jupiter MOID = 2.17017 au 
 T_jup = 3.383 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457486.5 (2016-Apr-08.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294877310276509 3.6625e-08  
q 2.271258000150487 1.024e-07 au
tp 2457889.851993908370
(2017-May-16.35199391)
8.1935e-05 TDB
node 138.1222024788019 2.8802e-05 deg
peri 326.3206919532007 3.4257e-05 deg
i 8.669503831583285 3.5793e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      10127 days (27.73 yr)  
   first obs. used      1993-04-22  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:24  

Additional Information
 Jupiter MOID = 2.17017 au 
 T_jup = 3.383 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.341389588219047E-15 -3.733593863258848E-15 -6.708091992475801E-13 3.401478410558047E-15 -9.668979862054559E-14 -1.532981960011713E-15
q -3.733593863258848E-15 1.048516781984948E-14 1.866534241651615E-12 -7.863699653939999E-15 2.619136837666518E-13 4.78796662852109E-15
tp -6.708091992475801E-13 1.866534241651615E-12 6.713353161105882E-9 -6.333265936049562E-12 1.538833492230832E-9 6.966716927020878E-12
node 3.401478410558047E-15 -7.863699653939999E-15 -6.333265936049562E-12 8.295679060307211E-10 -8.213649979291574E-10 2.962091678732821E-11
peri -9.668979862054559E-14 2.619136837666518E-13 1.538833492230832E-9 -8.213649979291574E-10 1.173513807987688E-9 -2.78038766109531E-11
i -1.532981960011713E-15 4.78796662852109E-15 6.966716927020878E-12 2.962091678732821E-11 -2.78038766109531E-11 1.281160652985499E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.27   n/a E2021B10  
diameter diameter 4.756 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72751 (2001 FW128)          Discovered 2001-Mar-26 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FW128 = 1999 TR240 = 2001 EF6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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