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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09003549532594401 4.971e-08  
a 2.380177193045288 1.1782e-08 au
q 2.165876760505941 1.216e-07 au
i 6.47392029393362 5.5426e-06 deg
node 154.4187614275613 3.5514e-05 deg
peri 349.0153239913055 4.4199e-05 deg
M 32.9730594947367 2.4857e-05 deg
tp 2458877.651712593137
(2020-Jan-29.15171259)
9.277e-05 TDB
period 1341.258110231779
3.67
9.9589e-06
2.727e-08
d
yr
n .2684047143899762 1.9929e-09 deg/d
Q 2.594477625584636 1.2843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      8099 days (22.17 yr)  
   first obs. used      1998-02-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:55:38  

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

[ 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
2069-Nov-27 12:48 00:10 Psych 0.0217223092789549 0.0217160523346804 0.0217285662240858 2.28390316658463 2.28390292270838 2477078.033217976 9.87209191544448 311.092635560102 42.2930548797404 0.220713551121916 10420.9751827171 T 19 CATAB v2.0f-lin.ifort 2020-May-20 17:55:58 2020-May-20 17:56

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