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85202 (1992 DR11)
Classification: Main-belt Asteroid          SPK-ID: 2085202
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0531680301180979 4.9284e-08  
a 3.00002998568761 2.7931e-08 au
q 2.840524301053375 1.5696e-07 au
i 10.73577090253695 5.5104e-06 deg
node 143.4430516133185 3.0931e-05 deg
peri 114.3288300283451 7.197e-05 deg
M 65.84038543823091 6.1992e-05 deg
tp 2458653.382360273221
(2019-Jun-18.88236027)
0.00032876 TDB
period 1897.958972595561
5.20
2.6506e-05
7.257e-08
d
yr
n .1896774404494533 2.6489e-09 deg/d
Q 3.159535670321846 2.9416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      10038 days (27.48 yr)  
   first obs. used      1992-02-29  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61039  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:35  

Additional Information
 Earth MOID = 1.84532 au 
 Jupiter MOID = 1.94846 au 
 T_jup = 3.224 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456820.5 (2014-Jun-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05207268288027744 4.9326e-08  
q 2.844926491269249 1.5736e-07 au
tp 2456769.263731372571
(2014-Apr-21.76373137)
0.00034883 TDB
node 143.5815356435337 3.0984e-05 deg
peri 117.1196872981988 7.3342e-05 deg
i 10.72426201629458 5.5062e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      10038 days (27.48 yr)  
   first obs. used      1992-02-29  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61039  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:35  

Additional Information
 Jupiter MOID = 1.94846 au 
 T_jup = 3.224 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.433007925538061E-15 -7.660108633321007E-15 -3.11343589948195E-13 -1.58537616524875E-14 -2.805135069488806E-14 -2.33957691430822E-15
q -7.660108633321007E-15 2.476261453316912E-14 -3.521553313116142E-12 4.723310881192808E-14 -7.672285270128656E-13 9.946652614294987E-15
tp -3.11343589948195E-13 -3.521553313116142E-12 1.216855213899117E-7 7.284182120531649E-12 2.323371688293471E-8 -2.427386089454353E-11
node -1.58537616524875E-14 4.723310881192808E-14 7.284182120531649E-12 9.599951686999262E-10 -9.41940508645112E-10 2.497742488724769E-11
peri -2.805135069488806E-14 -7.672285270128656E-13 2.323371688293471E-8 -9.41940508645112E-10 5.379056678996977E-9 -2.921143452242586E-11
i -2.33957691430822E-15 9.946652614294987E-15 -2.427386089454353E-11 2.497742488724769E-11 -2.921143452242586E-11 3.031849624604521E-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 15.1   n/a MPO436371  

85202 (1992 DR11)          Discovered 1992-Feb-29 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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