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JPL Small-Body Database Browser
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172685 (2003 YG155)
Classification: Main-belt Asteroid          SPK-ID: 2172685
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1065699281215996 7.9162e-08  
a 2.69418134974657 3.0614e-08 au
q 2.407062636957524 1.9906e-07 au
i 13.33256081831812 6.5826e-06 deg
node 54.52027072719654 3.3587e-05 deg
peri 78.79652656617397 5.2853e-05 deg
M 243.0370424317902 4.6449e-05 deg
tp 2459525.288737114365
(2021-Nov-06.78873711)
0.00021478 TDB
period 1615.245965809268
4.42
2.7531e-05
7.538e-08
d
yr
n .2228762724812833 3.7988e-09 deg/d
Q 2.981300062535616 3.3876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      7125 days (19.51 yr)  
   first obs. used      1998-11-15  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6108  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:30:56  

Additional Information
 Earth MOID = 1.46388 au 
 Jupiter MOID = 2.17751 au 
 T_jup = 3.324 
[ 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 15.4   n/a MPO260222  

172685 (2003 YG155)          Discovered 2003-Dec-30 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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
2018-Nov-27 07:05 < 00:01 Eunom 0.039092898709796 0.0390914459229217 0.0390943516629011 7.60552551045568 7.60552546324211 2458449.795087575 0.662450752535824 276.72494475152 63.703681994692 -82.6477922471213 91060.8806278469 T 9 CATAB v2.0e-lin.ifort 2018-May-31 16:30:59 2018-Dec-17 19:25

Alternate Designations
 2003 YG155 = 2000 FG18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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