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175138 (2005 ET7)
Classification: Main-belt Asteroid          SPK-ID: 2175138
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 .1586896542325361 5.5367e-08  
a 2.443182589292392 2.1445e-08 au
q 2.05547478897063 1.2904e-07 au
i 5.262964731168592 5.6023e-06 deg
node 2.479490694147792 4.721e-05 deg
peri 309.4997748894347 5.5193e-05 deg
M 288.6054684470856 3.941e-05 deg
tp 2459477.127124111142
(2021-Sep-19.62712411)
0.00015588 TDB
period 1394.865440166138
3.82
1.8365e-05
5.028e-08
d
yr
n .2580894110883711 3.3981e-09 deg/d
Q 2.830890389614153 2.4848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7006 days (19.18 yr)  
   first obs. used      2001-03-16  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:11  

Additional Information
 Earth MOID = 1.04443 au 
 Jupiter MOID = 2.44989 au 
 T_jup = 3.477 
[ 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 16.14   n/a E2021B55  

175138 (2005 ET7)          Discovered 2005-Mar-01 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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