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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5624237632035233 9.6133e-08  
a .6369460751740617 1.2152e-08 au
q .2787124666169516 6.1342e-08 au
i 3.432329993602268 2.6897e-05 deg
node 193.2459541655078 0.00050042 deg
peri 56.41784519577624 0.00050594 deg
M 63.54443447100555 0.00029105 deg
tp 2459167.726151347606
(2020-Nov-14.22615135)
0.00014918 TDB
period 185.6745695053035
0.51
5.3135e-06
1.455e-08
d
yr
n 1.938876179754477 5.5485e-08 deg/d
Q .9951796837311717 1.8986e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .55172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:58:25  

Additional Information
 Earth MOID = .044042 au 
 Jupiter MOID = 4.03964 au 
 T_jup = 8.747 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454613.5 (2008-May-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5628650552214107 9.5674e-08  
q .2782833548328162 6.0716e-08 au
tp 2454526.624644377712
(2008-Mar-01.12464438)
2.5288e-05 TDB
node 193.9532582799087 0.00049355 deg
peri 55.69834834069295 0.00049888 deg
i 3.446960867365901 2.743e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .55172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:58:25  

Additional Information
 Jupiter MOID = 4.03964 au 
 T_jup = 8.747 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.153566871835093E-15 -5.793626296330747E-15 7.741132760879027E-13 3.53323320620656E-12 -2.989453350967328E-12 2.195879039087418E-13
q -5.793626296330747E-15 3.686421394123409E-15 -4.779228302947341E-13 -2.943722312290523E-12 2.619259216237306E-12 -1.667331889204014E-13
tp 7.741132760879027E-13 -4.779228302947341E-13 6.394605594869426E-10 -8.32720748475851E-10 1.285481493489248E-9 -4.376742520283156E-11
node 3.53323320620656E-12 -2.943722312290523E-12 -8.32720748475851E-10 2.435886308988016E-7 -2.460446436101921E-7 1.302654346378922E-8
peri -2.989453350967328E-12 2.619259216237306E-12 1.285481493489248E-9 -2.460446436101921E-7 2.488807065801722E-7 -1.317906381106961E-8
i 2.195879039087418E-13 -1.667331889204014E-13 -4.376742520283156E-11 1.302654346378922E-8 -1.317906381106961E-8 7.524135147963609E-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

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