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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2581485975650799 4.6636e-08  
a 2.683294241269982 1.4007e-08 au
q 1.990605596031681 1.2647e-07 au
i 14.12351318864415 5.5643e-06 deg
node 358.6664080127112 1.9328e-05 deg
peri 1.096105656945698 2.1735e-05 deg
M 326.4891307649905 1.2221e-05 deg
tp 2459349.945921433940
(2021-May-15.44592143)
5.5384e-05 TDB
period 1605.465120552941
4.40
1.2571e-05
3.442e-08
d
yr
n .2242340835632802 1.7557e-09 deg/d
Q 3.375982886508283 1.7622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      8149 days (22.31 yr)  
   first obs. used      1997-03-02  
   last obs. used      2019-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:37  

Additional Information
 Earth MOID = .985706 au 
 Jupiter MOID = 2.07857 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

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