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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 
[ 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 16.6   n/a MPO439842  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1921-Sep-02 19:27 00:03 Thisb 0.0142675862296115 0.0142549996226736 0.0142801835084368 4.54953912024999 4.54953901520948 2422935.310679985 3.12604840496143 879.931813306885 46.411926214184 44.5767499871104 32307.4521347687 T 16 CATAB v2.0f-lin.ifort 2020-Dec-17 22:59:07 2020-Dec-17 22:59
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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