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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07534426140064057 9.5487e-08  
a 2.85469652732993 2.991e-08 au
q 2.639611525955283 2.8672e-07 au
i 3.845830483621959 4.7331e-06 deg
node 74.81785819459495 0.00013575 deg
peri 281.55673093 0.00013942 deg
M 235.4534505674609 3.4263e-05 deg
tp 2459809.991349532730
(2022-Aug-18.49134953)
0.00017113 TDB
period 1761.72593164157
4.82
2.7688e-05
7.581e-08
d
yr
n .2043450649923472 3.2115e-09 deg/d
Q 3.069781528704577 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:07:39  

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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07377139154925023 9.523e-08  
q 2.645699850319736 2.8536e-07 au
tp 2458049.400378121134
(2017-Oct-22.90037812)
0.00016682 TDB
node 74.84078926088134 0.00013574 deg
peri 281.85340197479 0.00013962 deg
i 3.845387022598414 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:07:39  

Additional Information
 Jupiter MOID = 2.27909 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.068748105182434E-15 -2.707444626396886E-14 -4.14212465062617E-12 2.104755145943332E-14 -9.038797735174849E-13 -4.362140393542811E-17
q -2.707444626396886E-14 8.142750667102726E-14 1.285898768855336E-11 -6.430821462936526E-14 2.736445671912586E-12 7.539967061496968E-16
tp -4.14212465062617E-12 1.285898768855336E-11 2.782968890159833E-8 -1.743451710383561E-11 5.593834605901397E-9 5.54320182373606E-13
node 2.104755145943332E-14 -6.430821462936526E-14 -1.743451710383561E-11 1.842597640469595E-8 -1.838830676796618E-8 -6.508079137027815E-11
peri -9.038797735174849E-13 2.736445671912586E-12 5.593834605901397E-9 -1.838830676796618E-8 1.949278791210346E-8 6.50005491047069E-11
i -4.362140393542811E-17 7.539967061496968E-16 5.54320182373606E-13 -6.508079137027815E-11 6.50005491047069E-11 2.239070205055407E-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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