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136255 (2003 YE18)
Classification: Main-belt Asteroid          SPK-ID: 2136255
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2225775372173448 4.8424e-08  
a 2.250159584509807 8.8723e-09 au
q 1.74932460584361 1.1097e-07 au
i 3.559757198590308 4.5691e-06 deg
node 111.2510019771703 9.5937e-05 deg
peri 286.7085169498655 9.6991e-05 deg
M 359.2257690517504 1.4899e-05 deg
tp 2459003.151468264577
(2020-Jun-02.65146826)
5.1033e-05 TDB
period 1232.873185198763
3.38
7.2917e-06
1.996e-08
d
yr
n .2920008353835362 1.727e-09 deg/d
Q 2.750994563176004 1.0847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      8249 days (22.58 yr)  
   first obs. used      1998-04-17  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:59:06  

Additional Information
 Earth MOID = .760957 au 
 Jupiter MOID = 2.6738 au 
 T_jup = 3.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456821.5 (2014-Jun-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2237210666614982 4.8685e-08  
q 1.746916382329705 1.1177e-07 au
tp 2456536.596523146060
(2013-Sep-01.09652315)
4.3591e-05 TDB
node 111.314975939696 9.6103e-05 deg
peri 286.5031330388835 9.7125e-05 deg
i 3.557624279361942 4.5646e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      8249 days (22.58 yr)  
   first obs. used      1998-04-17  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58743  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:59:06  

Additional Information
 Jupiter MOID = 2.6738 au 
 T_jup = 3.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.370205075709282E-15 -5.43169293487853E-15 -1.132103744126626E-12 6.260935871520354E-14 -3.748274109367066E-13 -3.542321247943009E-15
q -5.43169293487853E-15 1.249196714329458E-14 2.648017639307889E-12 -1.476830762055991E-13 8.795270396663032E-13 8.315143342805412E-15
tp -1.132103744126626E-12 2.648017639307889E-12 1.900207867929199E-9 -5.560833074835656E-11 6.537618359066708E-10 4.169130930858117E-12
node 6.260935871520354E-14 -1.476830762055991E-13 -5.560833074835656E-11 9.235857490874057E-9 -9.233683127015006E-9 1.639523257637006E-10
peri -3.748274109367066E-13 8.795270396663032E-13 6.537618359066708E-10 -9.233683127015006E-9 9.433307057957992E-9 -1.623989136754825E-10
i -3.542321247943009E-15 8.315143342805412E-15 4.169130930858117E-12 1.639523257637006E-10 -1.623989136754825E-10 2.08353656795459E-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 16.6   n/a MPO439842  

136255 (2003 YE18)          Discovered 2003-Dec-16 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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