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JPL Small-Body Database Browser
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47415 (1999 XD154)
Classification: Main-belt Asteroid          SPK-ID: 2047415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03203477808004793 4.0498e-08  
a 2.794325831882652 1.4677e-08 au
q 2.704810223974946 1.1704e-07 au
i 3.531964242056368 5.2373e-06 deg
node 185.6216690811665 6.3566e-05 deg
peri 296.1783941493614 0.00010702 deg
M 17.49183149766209 8.4118e-05 deg
tp 2458517.601479541476
(2019-Feb-03.10147954)
0.00039877 TDB
period 1706.137368694488
4.67
1.3442e-05
3.68e-08
d
yr
n .2110029395085971 1.6624e-09 deg/d
Q 2.883841439790358 1.5147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      10330 days (28.28 yr)  
   first obs. used      1991-01-19  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:42:02  

Additional Information
 Earth MOID = 1.72292 au 
 Jupiter MOID = 2.12441 au 
 T_jup = 3.324 
[ 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 14.4   n/a MPO250650  
diameter diameter 4.084 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.202   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47415 (1999 XD154)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XD154 = 1998 RS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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