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120094 (2003 ET39)
Classification: Main-belt Asteroid          SPK-ID: 2120094
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206478568139319 6.6273e-08  
a 2.619909342928165 1.5452e-08 au
q 2.041831961364269 1.7716e-07 au
i 13.56438451685074 6.4981e-06 deg
node 70.41185143271171 3.4126e-05 deg
peri 169.301442403378 3.7202e-05 deg
M 22.0177534486194 1.5121e-05 deg
tp 2459105.767646742375
(2020-Sep-13.26764674)
6.482e-05 TDB
period 1548.915844313058
4.24
1.3703e-05
3.752e-08
d
yr
n .2324206323550519 2.0562e-09 deg/d
Q 3.197986724492061 1.8862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      7779 days (21.30 yr)  
   first obs. used      1999-03-28  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:34  

Additional Information
 Earth MOID = 1.02909 au 
 Jupiter MOID = 1.82815 au 
 T_jup = 3.332 
[ 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 15.58   n/a E2021B55  

120094 (2003 ET39)          Discovered 2003-Mar-08 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2003 ET39 = 1999 JH87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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