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47384 (1999 XX99)
Classification: Main-belt Asteroid          SPK-ID: 2047384
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09837031585495699 4.7465e-08  
a 2.258813100656068 7.6586e-09 au
q 2.036612942487216 1.0679e-07 au
i 3.981315260559653 4.9251e-06 deg
node 67.44437124469088 6.0476e-05 deg
peri 288.0285183132929 6.5517e-05 deg
M 92.50779025176251 2.2919e-05 deg
tp 2458681.864118531809
(2019-Jul-17.36411853)
7.9391e-05 TDB
period 1239.99197274484
3.39
6.3064e-06
1.727e-08
d
yr
n .2903244600875164 1.4765e-09 deg/d
Q 2.48101325882492 8.412e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      8480 days (23.22 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:42:32  

Additional Information
 Earth MOID = 1.03626 au 
 Jupiter MOID = 2.8781 au 
 T_jup = 3.612 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO279986  
diameter diameter 4.270 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47384 (1999 XX99)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XX99 = 2001 HV8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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