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JPL Small-Body Database Browser
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47371 (1999 XJ90)
Classification: Main-belt Asteroid          SPK-ID: 2047371
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2838047868896856 4.7515e-08  
a 3.026891011203701 1.804e-08 au
q 2.16784485283073 1.4983e-07 au
i 2.758784014455589 3.4141e-06 deg
node 78.56562710983764 9.6759e-05 deg
peri 85.27870571542103 9.6907e-05 deg
M 204.7926508139929 6.269e-06 deg
tp 2459429.784185008160
(2021-Aug-03.28418501)
3.7988e-05 TDB
period 1923.50625256251
5.27
1.7196e-05
4.708e-08
d
yr
n .1871582166787372 1.6732e-09 deg/d
Q 3.885937169576672 2.316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1365  
   data-arc span      14860 days (40.68 yr)  
   first obs. used      1979-03-22  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52274  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:25:04  

Additional Information
 Earth MOID = 1.17831 au 
 Jupiter MOID = 1.10185 au 
 T_jup = 3.180 
[ 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 14.1   n/a MPO452817  
diameter diameter 7.627 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47371 (1999 XJ90)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XJ90 = 1979 FC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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