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13865 (1999 XA170)
Classification: Main-belt Asteroid          SPK-ID: 2013865
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304922753543464 3.7347e-08  
a 2.665796219411277 1.0832e-08 au
q 2.051350783168158 1.0097e-07 au
i 3.227232557699443 3.8433e-06 deg
node 316.8952150340945 7.6411e-05 deg
peri 17.55581851708778 7.6844e-05 deg
M 332.0858830342537 9.6305e-06 deg
tp 2459123.770807708414
(2020-Oct-01.27080771)		 4.2863e-05 TDB
period 1589.786659899906
4.35		 9.6894e-06
2.653e-08		 d
yr
n .2264454779251109 1.3801e-09 deg/d
Q 3.280241655654397 1.3328e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1501  
   data-arc span      17980 days (49.23 yr)  
   first obs. used      1971-03-25  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51843  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:39:50  

Additional Information
 Earth MOID = 1.04164 au 
 Jupiter MOID = 2.10329 au 
 T_jup = 3.343 
[ 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 14.2   n/a MPO384877  
diameter diameter 8.511 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13865 (1999 XA170)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XA170 = 1977 UZ1 = 1981 ST2 = 1981 SZ5 = 1994 RY10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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