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175172 (2005 EU138)
Classification: Main-belt Asteroid          SPK-ID: 2175172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843502310402223 5.8776e-08  
a 2.279727723582072 1.4288e-08 au
q 1.859459391030917 1.3291e-07 au
i 1.18344422175894 5.4251e-06 deg
node 144.1049882107464 0.00030631 deg
peri 102.8155913913783 0.00030675 deg
M 168.7434546014611 2.1058e-05 deg
tp 2458611.185220329375
(2019-May-07.68522033)
6.9827e-05 TDB
period 1257.253629081433
3.44
1.1819e-05
3.236e-08
d
yr
n .2863384059292962 2.6918e-09 deg/d
Q 2.699996056133227 1.6921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      10306 days (28.22 yr)  
   first obs. used      1992-09-26  
   last obs. used      2020-12-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59416  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:19  

Additional Information
 Earth MOID = .84476 au 
 Jupiter MOID = 2.32456 au 
 T_jup = 3.583 
[ 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 17.70   n/a MPCxxxxx  

175172 (2005 EU138)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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
1961-Apr-30 06:29 < 00:01 Hebe 0.0138841227182124 0.013875953847087 0.0138922964229895 8.64866960707534 8.64866955530395 2437419.769884690 0.611629069092993 581.524194904094 71.7923966122059 -45.9764423989754 20946.5159408584 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:20 2021-Apr-13 21:04
2162-Nov-15 01:47 < 00:01 Eunom 0.0319796770555856 0.0319777366903151 0.0319816249310204 7.53815056549751 7.53815050726641 2511032.574584947 0.473589713778866 1510.27076691035 83.215119600359 -88.1112643072741 57441.3586614033 T 14 CATAB v2.0f-lin.ifort 2021-Apr-13 21:04:20 2021-Apr-13 21:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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