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123953 (2001 FT7)
Classification: Main-belt Asteroid          SPK-ID: 2123953
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293191877501215 7.3711e-08  
a 2.896988730069781 2.0777e-08 au
q 2.5223525005759 2.0871e-07 au
i 2.923506435821245 4.0799e-06 deg
node 78.33946163789942 0.00012732 deg
peri 281.6693590011413 0.00012817 deg
M 129.8338933538251 1.5333e-05 deg
tp 2458350.962521241205
(2018-Aug-20.46252124)
7.6059e-05 TDB
period 1801.020413952466
4.93
1.9375e-05
5.305e-08
d
yr
n .1998866849098921 2.1504e-09 deg/d
Q 3.27162495956366 2.3464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      6970 days (19.08 yr)  
   first obs. used      2001-03-20  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:04:52  

Additional Information
 Earth MOID = 1.5211 au 
 Jupiter MOID = 2.17837 au 
 T_jup = 3.274 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457178.5 (2015-Jun-05.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1267411794380658 7.3461e-08  
q 2.532985382460878 2.069e-07 au
tp 2456541.627071388607
(2013-Sep-06.12707139)
8.0222e-05 TDB
node 78.53064838942659 0.00012725 deg
peri 280.4013384599099 0.00012817 deg
i 2.923109158085209 4.0753e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      6970 days (19.08 yr)  
   first obs. used      2001-03-20  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:04:52  

Additional Information
 Jupiter MOID = 2.17837 au 
 T_jup = 3.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.39656385215984E-15 -1.514573792160601E-14 -9.760263837310488E-13 -7.97575792991312E-14 -2.581074309412195E-13 -2.487091967090593E-15
q -1.514573792160601E-14 4.280685615894514E-14 2.557056467118098E-12 2.273253231460605E-13 7.069351917271955E-13 7.038129557829179E-15
tp -9.760263837310488E-13 2.557056467118098E-12 6.435567847984795E-9 5.007144908372996E-11 1.308359055491054E-9 -3.158000946388673E-13
node -7.97575792991312E-14 2.273253231460605E-13 5.007144908372996E-11 1.619363060930231E-8 -1.615941362130053E-8 -7.966456441618657E-11
peri -2.581074309412195E-13 7.069351917271955E-13 1.308359055491054E-9 -1.615941362130053E-8 1.642870041814285E-8 7.953600522332957E-11
i -2.487091967090593E-15 7.038129557829179E-15 -3.158000946388673E-13 -7.966456441618657E-11 7.953600522332957E-11 1.660832623628285E-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 15.4   n/a MPO381985  

123953 (2001 FT7)          Discovered 2001-Mar-20 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 FT7 = 2003 QQ55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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