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201722 (2003 UK190)
Classification: Main-belt Asteroid          SPK-ID: 2201722
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07534425963669486 9.5487e-08  
a 2.854696535616818 2.991e-08 au
q 2.639611538653331 2.8672e-07 au
i 3.845830482079503 4.7331e-06 deg
node 74.8178579229518 0.00013575 deg
peri 281.556731054959 0.00013942 deg
M 235.4534497272764 3.4263e-05 deg
tp 2459809.991356298262
(2022-Aug-18.49135630)
0.00017113 TDB
period 1761.725939312731
4.82
2.7688e-05
7.581e-08
d
yr
n .2043450641025584 3.2115e-09 deg/d
Q 3.069781532580305 3.2164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6027 days (16.50 yr)  
   first obs. used      2003-10-22  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:54:21  

Additional Information
 Earth MOID = 1.63687 au 
 Jupiter MOID = 2.27909 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457238.5 (2015-Aug-04.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0737713901574734 9.523e-08  
q 2.645699853910689 2.8536e-07 au
tp 2458049.400386098330
(2017-Oct-22.90038610)
0.00016682 TDB
node 74.84078914076325 0.00013574 deg
peri 281.8534041470967 0.00013962 deg
i 3.8453870253382 4.7319e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6027 days (16.50 yr)  
   first obs. used      2003-10-22  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:54:21  

Additional Information
 Jupiter MOID = 2.27909 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.068749316374259E-15 -2.707444992711731E-14 -4.142125992074431E-12 2.104759892323698E-14 -9.038800338269372E-13 -4.362065867365819E-17
q -2.707444992711731E-14 8.142751706301026E-14 1.285899188646574E-11 -6.430842379598472E-14 2.736446542952952E-12 7.539960925396225E-16
tp -4.142125992074431E-12 1.285899188646574E-11 2.782969305800487E-8 -1.743465590378711E-11 5.593835510686902E-9 5.543107573245979E-13
node 2.104759892323698E-14 -6.430842379598472E-14 -1.743465590378711E-11 1.842597643263795E-8 -1.838830683770398E-8 -6.508082092988281E-11
peri -9.038800338269372E-13 2.736446542952952E-12 5.593835510686902E-9 -1.838830683770398E-8 1.949278815955844E-8 6.500057631389464E-11
i -4.362065867365819E-17 7.539960925396225E-16 5.543107573245979E-13 -6.508082092988281E-11 6.500057631389464E-11 2.239070237345334E-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 16.52   n/a E2021B55  

201722 (2003 UK190)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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