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101727 (1999 ED7)
Classification: Inner Main-belt Asteroid          SPK-ID: 2101727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07341600097815494 3.8406e-08  
a 1.909524064030752 5.3153e-09 au
q 1.76933444347806 7.2592e-08 au
i 22.09756498155007 5.4375e-06 deg
node 9.019989619988026 1.0513e-05 deg
peri 103.8296580387185 4.7805e-05 deg
M 145.2090560359177 4.2191e-05 deg
tp 2458811.743796766182
(2019-Nov-24.24379677)
0.00011339 TDB
period 963.7982436133819
2.64
4.0242e-06
1.102e-08
d
yr
n .3735221581752647 1.5596e-09 deg/d
Q 2.049713684583444 5.7055e-09 au
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1999-02-20  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51158  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:16  

Additional Information
 Earth MOID = .84859 au 
 Jupiter MOID = 3.00397 au 
 T_jup = 3.845 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456952.5 (2014-Oct-22.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07356053746290607 3.8413e-08  
q 1.769232696306191 7.2667e-08 au
tp 2456884.521464063731
(2014-Aug-15.02146406)
0.00011572 TDB
node 9.045359567125629 1.0511e-05 deg
peri 103.9723723510949 4.7699e-05 deg
i 22.10022804874308 5.4378e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1999-02-20  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51158  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:16  

Additional Information
 Jupiter MOID = 3.00397 au 
 T_jup = 3.845 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.47557793523221E-15 -2.7850215343354E-15 4.164568137828581E-13 -7.033335730325917E-15 1.404218372917502E-13 -1.899249270062259E-14
q -2.7850215343354E-15 5.280527469314691E-15 -9.977779060126794E-13 1.352677072621737E-14 -3.509684768380455E-13 3.588590429724513E-14
tp 4.164568137828581E-13 -9.977779060126794E-13 1.338996813306034E-8 -4.055117584597793E-11 5.391116380919535E-9 -2.377001557143124E-11
node -7.033335730325917E-15 1.352677072621737E-14 -4.055117584597793E-11 1.104833569884066E-10 -1.179426228346228E-10 -8.213534446830063E-12
peri 1.404218372917502E-13 -3.509684768380455E-13 5.391116380919535E-9 -1.179426228346228E-10 2.275214671761147E-9 -1.327868969158946E-12
i -1.899249270062259E-14 3.588590429724513E-14 -2.377001557143124E-11 -8.213534446830063E-12 -1.327868969158946E-12 2.956988841314733E-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 16.20   n/a E2021B55  

101727 (1999 ED7)          Discovered 1999-Mar-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 ED7 = 2000 QT212 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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