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100545 (1997 ED30)
Classification: Main-belt Asteroid          SPK-ID: 2100545
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2582739931739704 4.6213e-08  
a 2.682394502690075 1.3685e-08 au
q 1.989601763212403 1.253e-07 au
i 14.12232612043363 5.5187e-06 deg
node 358.697159961002 1.9172e-05 deg
peri 1.166832709095121 2.1573e-05 deg
M 281.5579549820231 1.1852e-05 deg
tp 2459350.146197119696
(2021-May-15.64619712)		 5.4828e-05 TDB
period 1604.657692621905
4.39		 1.228e-05
3.362e-08		 d
yr
n .2243469131486751 1.7169e-09 deg/d
Q 3.375187242167748 1.722e-08 au
   Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      8095 days (22.16 yr)  
   first obs. used      1997-03-02  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57365  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:57:52  

Additional Information
 Earth MOID = .98636 au 
 Jupiter MOID = 2.07862 au 
 T_jup = 3.285 
[ 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 15.0   n/a MPO474880  

100545 (1997 ED30)          Discovered 1997-Mar-09 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1997 ED30 = 2003 QY55 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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