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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2834955473519775 4.7402e-08  
a 3.028067964472319 1.7936e-08 au
q 2.16962417946525 1.4966e-07 au
i 2.758632171996834 3.3979e-06 deg
node 78.56987339858023 9.4994e-05 deg
peri 85.20700958812338 9.5144e-05 deg
M 279.7020286428792 6.6284e-06 deg
tp 2459429.788176674729
(2021-Aug-03.28817667)
3.7867e-05 TDB
period 1924.62824391388
5.27
1.71e-05
4.682e-08
d
yr
n .1870491099454678 1.6619e-09 deg/d
Q 3.886511749479386 2.3021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1424  
   data-arc span      15201 days (41.62 yr)  
   first obs. used      1979-03-22  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:48:45  

Additional Information
 Earth MOID = 1.17962 au 
 Jupiter MOID = 1.09987 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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