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JPL Small-Body Database Browser
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49434 (1998 YB1)
Classification: Main-belt Asteroid          SPK-ID: 2049434
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183330746762256 4.3756e-08  
a 2.772595263690762 1.8003e-08 au
q 2.444505541305494 1.2207e-07 au
i 10.67307832668209 5.6102e-06 deg
node 52.86114804190391 2.3594e-05 deg
peri 34.1979827615027 3.3063e-05 deg
M 165.8579266978734 2.2001e-05 deg
tp 2457823.605809587928
(2017-Mar-11.10580959)
0.00010258 TDB
period 1686.273994355507
4.62
1.6424e-05
4.497e-08
d
yr
n .2134884373506523 2.0794e-09 deg/d
Q 3.100684986076031 2.0134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      8956 days (24.52 yr)  
   first obs. used      1993-11-12  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56569  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 14:50:07  

Additional Information
 Earth MOID = 1.46796 au 
 Jupiter MOID = 2.1805 au 
 T_jup = 3.301 
[ 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 14.5   n/a MPO309532  

49434 (1998 YB1)          Discovered 1998-Dec-16 by Kagawa, T. at Gekko
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YB1 = 2000 HJ15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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