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385405 (2002 XA7)
Classification: Main-belt Asteroid          SPK-ID: 2385405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637384433719559 6.7196e-08  
a 2.333560970830157 1.3694e-08 au
q 1.951467329952877 1.5823e-07 au
i 4.285173810046384 5.2774e-06 deg
node 217.1500950112145 0.00010393 deg
peri 246.5248107140678 0.00010569 deg
M 353.5514387774524 1.8701e-05 deg
tp 2459223.823164869215
(2021-Jan-09.32316487)
6.7699e-05 TDB
period 1302.048482312508
3.56
1.1461e-05
3.138e-08
d
yr
n .2764874003467372 2.4337e-09 deg/d
Q 2.715654611707437 1.5936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      6719 days (18.40 yr)  
   first obs. used      2002-11-13  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60387  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:29:49  

Additional Information
 Earth MOID = .972795 au 
 Jupiter MOID = 2.43759 au 
 T_jup = 3.547 
[ 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 17.36   n/a MPCxxxxx  
diameter diameter 1.746 km 0.420 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

385405 (2002 XA7)          Discovered 2002-Dec-02 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

Alternate Designations
 2002 XA7 = 2007 DK13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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