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202683 (2006 US216)
Classification: Aten [NEO, PHA]          SPK-ID: 2202683
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5624407515889098 9.6335e-08  
a .636951041995597 1.2406e-08 au
q .2787038192102542 6.1495e-08 au
i 3.432320056024259 2.7357e-05 deg
node 193.2514464843484 0.00051401 deg
peri 56.40994366903833 0.00051944 deg
M 35.77771846934652 0.00028059 deg
tp 2458982.046971731020
(2020-May-12.54697173)
0.00014419 TDB
period 185.6767413082649
0.51
5.4246e-06
1.485e-08
d
yr
n 1.938853501324216 5.6644e-08 deg/d
Q .9951982647809399 1.9383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      4080 days (11.17 yr)  
   first obs. used      2005-11-06  
   last obs. used      2017-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .52941  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:25:34  

Additional Information
 Earth MOID = .0439015 au 
 Jupiter MOID = 4.04068 au 
 T_jup = 8.747 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454618.5 (2008-Jun-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5628650032832935 9.5878e-08  
q .2782833642166587 6.0843e-08 au
tp 2454526.624444884207
(2008-Mar-01.12444488)
2.5721e-05 TDB
node 193.9529330450577 0.00050707 deg
peri 55.69853447788863 0.00051232 deg
i 3.446946796089174 2.7904e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      4080 days (11.17 yr)  
   first obs. used      2005-11-06  
   last obs. used      2017-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .52941  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:25:34  

Additional Information
 Jupiter MOID = 4.04068 au 
 T_jup = 8.747 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.192564702767719E-15 -5.817901451403407E-15 7.462538538112471E-13 3.731325674181947E-12 -3.204749547869286E-12 2.27932742394083E-13
q -5.817901451403407E-15 3.701823164914627E-15 -4.613898272530754E-13 -3.127440270523578E-12 2.813379124882184E-12 -1.745943112275419E-13
tp 7.462538538112471E-13 -4.613898272530754E-13 6.615568280265467E-10 -8.06671679649148E-10 1.272546556175517E-9 -4.233375076582614E-11
node 3.731325674181947E-12 -3.127440270523578E-12 -8.06671679649148E-10 2.571219230933925E-7 -2.596021307300952E-7 1.362209537233879E-8
peri -3.204749547869286E-12 2.813379124882184E-12 1.272546556175517E-9 -2.596021307300952E-7 2.624702875596842E-7 -1.37755075590641E-8
i 2.27932742394083E-13 -1.745943112275419E-13 -4.233375076582614E-11 1.362209537233879E-8 -1.37755075590641E-8 7.786214389416808E-10

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 19.8   n/a MPO217645  

202683 (2006 US216)          Discovered 2006-Oct-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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