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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07341600152013332 3.8406e-08  
a 1.90952406519887 5.3153e-09 au
q 1.769334443525499 7.2592e-08 au
i 22.09756495368291 5.4375e-06 deg
node 9.019989678569823 1.0513e-05 deg
peri 103.8296563964294 4.7805e-05 deg
M 145.2090571542319 4.2191e-05 deg
tp 2458811.743793415489
(2019-Nov-24.24379342)		 0.00011339 TDB
period 963.7982444977623
2.64		 4.0242e-06
1.102e-08		 d
yr
n .3735221578325212 1.5596e-09 deg/d
Q 2.049713686872241 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:50  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2032-Jun-22 23:52 < 00:01 Iris 0.0425083070561524 0.042505940520391 0.0425106737194968 9.92873757325978 9.9287375596389 2463406.494517141 0.173377924373861 167.541256625627 25.528733843461 45.9118728892 180838.362719415 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:51 2020-Nov-12 19:58

Alternate Designations
 1999 ED7 = 2000 QT212 
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