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91589 (1999 TF1)
Classification: Main-belt Asteroid          SPK-ID: 2091589
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2420254970310498 3.704e-08  
a 3.0640859520846 1.8316e-08 au
q 2.322499026585467 1.1424e-07 au
i 2.796389110850509 5.5797e-06 deg
node 222.9457129153791 9.8255e-05 deg
peri 208.2492446494754 9.921e-05 deg
M 274.1215541871422 1.2715e-05 deg
tp 2459467.838454359486
(2021-Sep-10.33845436)
6.9869e-05 TDB
period 1959.069496157856
5.36
1.7566e-05
4.809e-08
d
yr
n .1837607092071185 1.6477e-09 deg/d
Q 3.805672877583733 2.2749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      9868 days (27.02 yr)  
   first obs. used      1993-07-24  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:15  

Additional Information
 Earth MOID = 1.3375 au 
 Jupiter MOID = 1.50554 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456613.5 (2013-Nov-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2400304244814336 3.8239e-08  
q 2.331796074168615 1.1853e-07 au
tp 2457486.597313011719
(2016-Apr-08.09731301)
6.9872e-05 TDB
node 223.3154920710618 9.7433e-05 deg
peri 205.4983799871856 9.8499e-05 deg
i 2.796143249680202 5.6451e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      9868 days (27.02 yr)  
   first obs. used      1993-07-24  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:15  

Additional Information
 Jupiter MOID = 1.50554 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.462220619362486E-15 -4.505591078256743E-15 -1.144377859067581E-12 -1.158694196975623E-14 -2.285266974149854E-13 8.628459336896969E-16
q -4.505591078256743E-15 1.404905104051807E-14 3.746538018861463E-12 4.153593550601591E-14 7.226788441854282E-13 -3.002800226842843E-15
tp -1.144377859067581E-12 3.746538018861463E-12 4.882077826496906E-9 1.190216825254926E-11 1.028372275690108E-9 -1.904871675919843E-12
node -1.158694196975623E-14 4.153593550601591E-14 1.190216825254926E-11 9.493213564384064E-9 -9.479256798023062E-9 -2.081762787029715E-10
peri -2.285266974149854E-13 7.226788441854282E-13 1.028372275690108E-9 -9.479256798023062E-9 9.702007007602239E-9 2.075423789047029E-10
i 8.628459336896969E-16 -3.002800226842843E-15 -1.904871675919843E-12 -2.081762787029715E-10 2.075423789047029E-10 3.186715243642445E-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 14.8   n/a MPO449562  

91589 (1999 TF1)          Discovered 1999-Oct-01 by Korlevic, K. at Visnjan
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TF1 = 2001 EN20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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