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100752 (1998 EF20)
Classification: Main-belt Asteroid          SPK-ID: 2100752
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09003549534585484 4.9705e-08  
a 2.380177193037901 1.1764e-08 au
q 2.165876760451827 1.2158e-07 au
i 6.473920324984394 5.5407e-06 deg
node 154.4187609922777 3.5459e-05 deg
peri 349.0153244588856 4.4146e-05 deg
M 32.97305945833754 2.4832e-05 deg
tp 2458877.651712729322
(2020-Jan-29.15171273)
9.2679e-05 TDB
period 1341.258110225535
3.67
9.944e-06
2.723e-08
d
yr
n .2684047143912258 1.9899e-09 deg/d
Q 2.594477625623974 1.2824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8121 days (22.23 yr)  
   first obs. used      1998-02-24  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:25  

Additional Information
 Earth MOID = 1.17836 au 
 Jupiter MOID = 2.40375 au 
 T_jup = 3.525 
[ 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 16.0   n/a MPO417508  

100752 (1998 EF20)          Discovered 1998-Mar-03 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 EF20 = 2002 GM87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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