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249953 (2001 TG228)
Classification: Main-belt Asteroid          SPK-ID: 2249953
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09539974796608439 6.5081e-08  
a 2.768593259860047 2.3427e-08 au
q 2.504470160648798 1.8829e-07 au
i 3.302048809296895 5.7673e-06 deg
node 218.4839783388348 0.00010881 deg
peri 111.5119640224256 0.00011359 deg
M 54.62165355047816 3.0262e-05 deg
tp 2458745.200769776784
(2019-Sep-18.70076978)		 0.00014161 TDB
period 1682.624323985762
4.61		 2.1357e-05
5.847e-08		 d
yr
n .2139515011569786 2.7156e-09 deg/d
Q 3.032716359071296 2.5662e-08 au
   Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6608 days (18.09 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60477  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:49:07  

Additional Information
 Earth MOID = 1.49593 au 
 Jupiter MOID = 2.26064 au 
 T_jup = 3.329 
[ 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 16.6   n/a MPO440261  

249953 (2001 TG228)          Discovered 2001-Oct-15 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ 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
2019-Jun-24 06:20 < 00:01 Eunom 0.0320789434189429 0.0320753890315379 0.0320824982645586 4.66083347509521 4.66083338120717 2458658.763618751 0.998028485252579 279.738872953944 83.3983569720201 54.1863724846132 47692.4972003812 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 02:49:08 2019-Nov-08 02:49
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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