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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 ]

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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 
[ show covariance matrix ]

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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