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120801 (1998 FU72)
Classification: Main-belt Asteroid          SPK-ID: 2120801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03586782046541005 4.0092e-08  
a 2.756687370232811 2.3977e-08 au
q 2.657811002558037 1.0982e-07 au
i 5.428447688684637 5.2636e-06 deg
node 147.7328785442216 5.0342e-05 deg
peri 107.2358379302025 9.4036e-05 deg
M 280.3470602827385 8.0976e-05 deg
tp 2459570.395467427722
(2021-Dec-21.89546743)
0.00037691 TDB
period 1671.782218542806
4.58
2.1811e-05
5.972e-08
d
yr
n .2153390531416172 2.8095e-09 deg/d
Q 2.855563737907585 2.4837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      8378 days (22.94 yr)  
   first obs. used      1998-03-30  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:12  

Additional Information
 Earth MOID = 1.64741 au 
 Jupiter MOID = 2.15095 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457118.5 (2015-Apr-06.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03799984576081221 4.0029e-08  
q 2.651026593847307 1.0992e-07 au
tp 2457894.658482729733
(2017-May-21.15848273)
0.00035289 TDB
node 147.7774677933238 5.031e-05 deg
peri 106.5810536532256 9.0365e-05 deg
i 5.429709614935778 5.266e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      8378 days (22.94 yr)  
   first obs. used      1998-03-30  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58778  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:12  

Additional Information
 Jupiter MOID = 2.15095 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.602324227495418E-15 -4.305446973129742E-15 -1.788556230268561E-12 1.24593523491272E-15 -3.951532502214582E-13 1.046321328070161E-15
q -4.305446973129742E-15 1.208302616997146E-14 6.057685418515396E-12 -2.31644736433853E-15 1.277196915691135E-12 -2.249365185506635E-15
tp -1.788556230268561E-12 6.057685418515396E-12 1.245320800213894E-7 8.567555215280587E-12 2.650294823038083E-8 -2.920834752105343E-12
node 1.24593523491272E-15 -2.31644736433853E-15 8.567555215280587E-12 2.531046867187164E-9 -2.51766635911146E-9 5.652048801716207E-11
peri -3.951532502214582E-13 1.277196915691135E-12 2.650294823038083E-8 -2.51766635911146E-9 8.165773922939731E-9 -5.696487721188823E-11
i 1.046321328070161E-15 -2.249365185506635E-15 -2.920834752105343E-12 5.652048801716207E-11 -5.696487721188823E-11 2.773071327384487E-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 16.06   n/a E2021B55  

120801 (1998 FU72)          Discovered 1998-Mar-30 by Klet at Klet
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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