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173893 (2001 UB103)
Classification: Main-belt Asteroid          SPK-ID: 2173893
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06929165180509603 6.3783e-08  
a 3.024702109453627 2.8969e-08 au
q 2.815115504071227 1.9276e-07 au
i 12.84049972638829 7.4153e-06 deg
node 42.88423924335626 1.6935e-05 deg
peri 18.49717626987469 3.7505e-05 deg
M 202.1494439354402 3.6016e-05 deg
tp 2460042.992330531714
(2023-Apr-08.49233053)		 0.00019706 TDB
period 1921.420149241479
5.26		 2.7603e-05
7.557e-08		 d
yr
n .1873614160557843 2.6917e-09 deg/d
Q 3.234288714836028 3.0976e-08 au
   Orbit Determination Parameters
   # obs. used (total)      336  
   data-arc span      6814 days (18.66 yr)  
   first obs. used      2001-10-20  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:16:23  

Additional Information
 Earth MOID = 1.82878 au 
 Jupiter MOID = 2.10119 au 
 T_jup = 3.203 
[ 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 15.58   n/a E2021B55  

173893 (2001 UB103)          Discovered 2001-Oct-20 by LINEAR at Socorro
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
2002-Jun-13 02:46 < 00:01 Inter 0.0415317929258669 0.0415285934594927 0.0415349925533613 8.6909961658802 8.69099612532296 2452438.615190431 0.764198317599865 212.666012936543 63.6256054106144 -43.8740597299472 70864.7793650263 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 10:16:24 2020-Nov-12 10:16

Alternate Designations
 2001 UB103 = 2004 GS86 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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