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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457921.5 (2017-Jun-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07007589094226641 6.3602e-08  
q 2.813507278888819 1.9214e-07 au
tp 2458125.892451095210
(2018-Jan-07.39245110)
0.00018604 TDB
node 42.89656603988019 1.6928e-05 deg
peri 19.22244053927516 3.7335e-05 deg
i 12.84316679177192 7.4166e-06 deg
  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
 Jupiter MOID = 2.10119 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.045228052256175E-15 -1.209827362218778E-14 -3.194780918573608E-12 -6.404523115548051E-16 -6.353320546024225E-13 4.039582046556082E-15
q -1.209827362218778E-14 3.691654518439451E-14 1.111709386745021E-11 4.180158953838794E-16 2.165440795528563E-12 -9.751789213577291E-15
tp -3.194780918573608E-12 1.111709386745021E-11 3.461004396002972E-8 -3.731879847313807E-12 6.195940002558229E-9 -3.166922864928017E-12
node -6.404523115548051E-16 4.180158953838794E-16 -3.731879847313807E-12 2.865408675813132E-10 -2.797748657219133E-10 6.79007123803298E-12
peri -6.353320546024225E-13 2.165440795528563E-12 6.195940002558229E-9 -2.797748657219133E-10 1.393871112933212E-9 -7.226646447132062E-12
i 4.039582046556082E-15 -9.751789213577291E-15 -3.166922864928017E-12 6.79007123803298E-12 -7.226646447132062E-12 5.500649297352732E-11

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

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