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JPL Small-Body Database Browser
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201753 (2003 UM340)
Classification: Main-belt Asteroid          SPK-ID: 2201753
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04496690963223496 7.821e-08  
a 2.926967570624777 3.018e-08 au
q 2.795350884380011 2.3257e-07 au
i 2.00532859242887 8.6662e-06 deg
node 24.02546380098342 0.00014091 deg
peri 187.0439803716234 0.00015168 deg
M 288.1764489380218 5.7267e-05 deg
tp 2459365.413277502421
(2021-May-30.91327750)
0.00029199 TDB
period 1829.048800267625
5.01
2.8289e-05
7.745e-08
d
yr
n .1968236167057572 3.0442e-09 deg/d
Q 3.058584256869544 3.1537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8659 days (23.71 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 23:54:31  

Additional Information
 Earth MOID = 1.78919 au 
 Jupiter MOID = 1.90213 au 
 T_jup = 3.275 
[ 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 15.9   n/a MPO413037  

201753 (2003 UM340)          Discovered 2003-Oct-18 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ 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
1928-Oct-27 13:13 00:04 Jupiter 1.91429389252984 1.91429304983871 1.91429473522162 3.033130226723 2.88356270190616 2425547.050919069 3.98448122374296 141.584996523198 24.0435009871723 82.8993351783789 1792704.52129575 T 19 CATAB v2.0f-lin.ifort 2020-Jan-29 23:54:49 2020-Jan-29 23:54
1963-Jun-01 09:26 00:02 Jupiter 1.91921010990946 1.91920940789068 1.91921081192858 3.12608416862248 2.98156401472151 2438181.892901465 2.37679154284013 137.518832555763 20.5862979372362 -86.0316955883214 1872474.56339386 T 19 CATAB v2.0f-lin.ifort 2020-Jan-29 23:54:49 2020-Jan-29 23:54
2024-Mar-18 14:43 < 00:01 Jupiter 1.95756997255858 1.95756934786385 1.9575705972532 3.13887987290377 2.99786344889654 2460388.113166897 0.456063366633604 48.050322781918 19.0775332334591 -82.6932899200179 2043534.13601686 T 19 CATAB v2.0f-lin.ifort 2020-Jan-29 23:54:49 2020-Jan-29 23:54
2058-Oct-18 19:13 00:02 Jupiter 1.9027416195307 1.90274092240559 1.9027423166557 3.03253512939102 2.88200474563725 2473020.300732615 2.01176783713303 109.587452265589 20.2895413716363 -86.6032978168801 1783378.24641952 T 19 CATAB v2.0f-lin.ifort 2020-Jan-29 23:54:49 2020-Jan-29 23:54
2093-May-24 03:38 00:04 Jupiter 1.97908776245987 1.97908668219419 1.97908884272926 3.37665902452341 3.24743799020228 2485656.651201978 3.56139108873099 180.312372809845 22.4748183871209 -78.3983674956548 2118447.6679639 T 19 CATAB v2.0f-lin.ifort 2020-Jan-29 23:54:49 2020-Jan-29 23:54
2154-Mar-11 02:24 00:06 Jupiter 1.91293342277383 1.91293256283807 1.9129342827122 3.01856721229074 2.86813066816055 2507861.599860432 6.38443173495797 221.855121284766 22.6634324438961 84.6071787031782 1781775.19114025 T 19 CATAB v2.0f-lin.ifort 2020-Jan-29 23:54:49 2020-Jan-29 23:54
2188-Oct-11 05:59 00:08 Jupiter 1.92829494342104 1.92829348697094 1.92829639989886 3.17679473180719 3.03537561119114 2520494.749188719 7.9216522696573 423.158385989057 20.5749702148222 -83.4709194995011 1923584.02833413 T 19 CATAB v2.0f-lin.ifort 2020-Jan-29 23:54:49 2020-Jan-29 23:54

Alternate Designations
 2003 UM340 = 2008 TN55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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