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187361 (2005 UP259)
Classification: Outer Main-belt Asteroid          SPK-ID: 2187361
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0900003005679946 7.0581e-08  
a 3.222376112866801 3.4555e-08 au
q 2.932361294165663 2.3016e-07 au
i 5.597521338947279 6.8285e-06 deg
node 63.46392756761567 5.1074e-05 deg
peri 154.1054948190707 6.4892e-05 deg
M 44.25373240460699 3.4671e-05 deg
tp 2458940.777140470486
(2020-Apr-01.27714047)
0.00020491 TDB
period 2112.82132263473
5.78
3.3985e-05
9.305e-08
d
yr
n .1703882842071439 2.7407e-09 deg/d
Q 3.51239093156794 3.7665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2002-03-11  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:06  

Additional Information
 Earth MOID = 1.9248 au 
 Jupiter MOID = 1.4607 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457605.5 (2016-Aug-05.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08943044976627837 6.9999e-08  
q 2.934922433217551 2.2853e-07 au
tp 2456822.309846799916
(2014-Jun-13.80984680)
0.00022243 TDB
node 63.47614409755788 5.1058e-05 deg
peri 153.1315752972708 6.5238e-05 deg
i 5.598197441792962 6.8289e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2002-03-11  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:06  

Additional Information
 Jupiter MOID = 1.4607 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.89986937578565E-15 -1.584116872119859E-14 6.066885229454925E-12 -2.442905984043276E-14 1.269216858692274E-12 -1.342208999815632E-15
q -1.584116872119859E-14 5.222560779352394E-14 -2.290446800212558E-11 8.39063265394041E-14 -4.629307937752835E-12 4.974157197061254E-15
tp 6.066885229454925E-12 -2.290446800212558E-11 4.947306306046593E-8 -8.128686761514468E-11 9.029659977641463E-9 3.167198064037759E-12
node -2.442905984043276E-14 8.39063265394041E-14 -8.128686761514468E-11 2.606886736625761E-9 -2.609040569028721E-9 -3.472051566082824E-11
peri 1.269216858692274E-12 -4.629307937752835E-12 9.029659977641463E-9 -2.609040569028721E-9 4.255965825289156E-9 3.521612495661716E-11
i -1.342208999815632E-15 4.974157197061254E-15 3.167198064037759E-12 -3.472051566082824E-11 3.521612495661716E-11 4.663322683298189E-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 15.85   n/a E2021B55  

187361 (2005 UP259)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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