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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 ]

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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 
[ show covariance matrix ]

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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