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434184 (2002 XX9)
Classification: Main-belt Asteroid          SPK-ID: 2434184
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2245564508194501 1.1829e-07  
a 2.326623098552011 1.9854e-08 au
q 1.80416487314662 2.8309e-07 au
i 11.06832770839853 1.0184e-05 deg
node 85.39507925873897 3.3452e-05 deg
peri 311.7671328453042 3.8134e-05 deg
M 6.599982057580156 1.4282e-05 deg
tp 2458976.735551826995
(2020-May-07.23555183)
5.1427e-05 TDB
period 1296.24615152643
3.55
1.6592e-05
4.543e-08
d
yr
n .2777250289816268 3.5549e-09 deg/d
Q 2.849081323957403 2.4312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6042 days (16.54 yr)  
   first obs. used      2002-11-14  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:02  

Additional Information
 Earth MOID = .833285 au 
 Jupiter MOID = 2.59617 au 
 T_jup = 3.515 
[ 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 16.5   n/a MPO437680  
diameter diameter 1.495 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.239   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

434184 (2002 XX9)          Discovered 2002-Dec-02 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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