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17531 (1993 FU25)
Classification: Main-belt Asteroid          SPK-ID: 2017531
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09002593277511876 3.4184e-08  
a 2.80968591138852 1.1098e-08 au
q 2.556741316410659 9.5947e-08 au
i 2.308408852196884 3.3699e-06 deg
node 261.1266530808481 9.0558e-05 deg
peri 146.8366675707641 9.2726e-05 deg
M 92.89159880182301 1.9439e-05 deg
tp 2458756.626697356279
(2019-Sep-30.12669736)
9.2664e-05 TDB
period 1720.224336892384
4.71
1.0192e-05
2.79e-08
d
yr
n .2092750301686502 1.24e-09 deg/d
Q 3.062630506366381 1.2098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2049  
   data-arc span      10230 days (28.01 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:33:59  

Additional Information
 Earth MOID = 1.56614 au 
 Jupiter MOID = 2.25261 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457202.5 (2015-Jun-29.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08726816979077123 3.4028e-08  
q 2.564059347192002 9.5114e-08 au
tp 2457030.689240124404
(2015-Jan-08.18924012)
9.6382e-05 TDB
node 261.4372957931846 9.0771e-05 deg
peri 145.5089597253271 9.3101e-05 deg
i 2.304761129529173 3.3662e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2049  
   data-arc span      10230 days (28.01 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:33:59  

Additional Information
 Jupiter MOID = 2.25261 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.157914780021383E-15 -3.218368427626924E-15 -5.700795180472311E-13 -3.83592965839365E-15 -1.504723125534649E-13 1.761535557828878E-16
q -3.218368427626924E-15 9.046746756207777E-15 1.570066960268927E-12 9.572291533289766E-15 4.174253048446151E-13 -3.665531493261674E-16
tp -5.700795180472311E-13 1.570066960268927E-12 9.28946632834405E-9 5.568118271945708E-12 2.010503846737597E-9 -6.255320720646639E-13
node -3.83592965839365E-15 9.572291533289766E-15 5.568118271945708E-12 8.239454021072788E-9 -8.231283706601209E-9 -1.528118337594468E-11
peri -1.504723125534649E-13 4.174253048446151E-13 2.010503846737597E-9 -8.231283706601209E-9 8.667836868092402E-9 1.51286376767562E-11
i 1.761535557828878E-16 -3.665531493261674E-16 -6.255320720646639E-13 -1.528118337594468E-11 1.51286376767562E-11 1.133145535601168E-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 14.04   n/a MPCxxxxx  

17531 (1993 FU25)          Discovered 1993-Mar-21 by UESAC at La Silla
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 FU25 = 1998 HE78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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