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JPL Small-Body Database Browser
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201666 (2003 UN50)
Classification: Main-belt Asteroid          SPK-ID: 2201666
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2908429290721926 2.398e-07  
a 2.887036210712778 3.5602e-08 au
q 2.04736214285159 6.8279e-07 au
i 12.18327656368956 8.0827e-06 deg
node 246.7302441966176 4.0915e-05 deg
peri 117.1196466269396 4.4925e-05 deg
M 156.476948558958 3.9992e-05 deg
tp 2458221.702334377991
(2018-Apr-13.20233438)
0.00018716 TDB
period 1791.747360911026
4.91
3.3143e-05
9.074e-08
d
yr
n .2009211833396845 3.7166e-09 deg/d
Q 3.726710278573965 4.5957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      7377 days (20.20 yr)  
   first obs. used      1998-10-02  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:38:22  

Additional Information
 Earth MOID = 1.07962 au 
 Jupiter MOID = 1.95769 au 
 T_jup = 3.196 
[ 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 16.0   n/a MPO454429  

201666 (2003 UN50)          Discovered 2003-Oct-17 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
1981-Oct-26 04:06 00:02 Jupiter 1.95497468534661 1.95497267634482 1.95497669436317 2.41672542307809 2.23025365202599 2444903.671051056 1.64666519771551 396.434981626526 81.9919715420122 -85.1440507627689 934898.324199673 T 11 CATAB v2.0e-lin.ifort 2019-Jul-13 12:38:24 2019-Jul-13 12:38
2040-May-01 22:35 00:02 Jupiter 1.97775712829171 1.97775493500715 1.97775932164946 1.31873138916787 0.939416793035812 2466276.441211041 2.42933378119091 1002.2760025603 787.613532152723 -27.9383552221488 433611.368368099 T 11 CATAB v2.0e-lin.ifort 2019-Jul-13 12:38:24 2019-Jul-13 12:38
2124-Apr-06 22:59 00:07 Jupiter 1.94179012249995 1.94178840581476 1.94179183918923 2.66554857786218 2.49654464148864 2496931.457882396 6.7450058353102 747.518917510961 90.1808466685482 82.9901556114312 1052054.48944893 T 11 CATAB v2.0e-lin.ifort 2019-Jul-13 12:38:24 2019-Jul-13 12:38
2182-Oct-20 16:12 00:11 Jupiter 1.97012990551203 1.97012626001127 1.97013355105726 1.6951518262533 1.41904019650514 2518312.175081996 11.0749054889174 1168.4864878748 518.960847249055 28.1985558907667 238620.505452162 T 11 CATAB v2.0e-lin.ifort 2019-Jul-13 12:38:24 2019-Jul-13 12:38
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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