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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03174319746830261 3.1277e-08  
a 2.793933773100047 1.2439e-08 au
q 2.705245381627172 8.6097e-08 au
i 3.53215593788829 4.682e-06 deg
node 185.6187030901521 5.6687e-05 deg
peri 296.1258285364959 9.5701e-05 deg
M 101.9842595141144 7.6868e-05 deg
tp 2458517.270727919434
(2019-Feb-02.77072792)
0.00036399 TDB
period 1705.778311063068
4.67
1.1392e-05
3.119e-08
d
yr
n .2110473545508045 1.4095e-09 deg/d
Q 2.882622164572922 1.2834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1308  
   data-arc span      10741 days (29.41 yr)  
   first obs. used      1991-01-19  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:44:39  

Additional Information
 Earth MOID = 1.72299 au 
 Jupiter MOID = 2.12385 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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