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JPL Small-Body Database Browser
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154636 (2003 YB4)
Classification: Main-belt Asteroid          SPK-ID: 2154636
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05193334440537203 4.2248e-08  
a 2.295072201595044 1.852e-08 au
q 2.175881426514414 9.4689e-08 au
i 6.164983880611758 7.722e-06 deg
node 183.2107956864291 4.2857e-05 deg
peri 254.5490646496522 9.3616e-05 deg
M 260.2614269289801 8.5094e-05 deg
tp 2459352.346800226733
(2021-May-17.84680023)
0.00030192 TDB
period 1269.968520518446
3.48
1.5372e-05
4.209e-08
d
yr
n .2834715933376328 3.4312e-09 deg/d
Q 2.414262976675675 1.9482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59351  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:28:50  

Additional Information
 Earth MOID = 1.20008 au 
 Jupiter MOID = 2.69154 au 
 T_jup = 3.586 
[ 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 MPO432987  

154636 (2003 YB4)          Discovered 2003-Dec-16 by CSS at Catalina
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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