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JPL Small-Body Database Browser
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39515 (1986 XD5)
Classification: Main-belt Asteroid          SPK-ID: 2039515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2202391828087704 5.4199e-08  
a 2.277346663583829 9.4833e-09 au
q 1.775785695423847 1.2182e-07 au
i 8.743515179434873 4.8187e-06 deg
node 74.85911427474709 3.2336e-05 deg
peri 312.8981330303 3.3662e-05 deg
M 176.913059613586 1.2613e-05 deg
tp 2457983.621637681271
(2017-Aug-18.12163768)
4.1624e-05 TDB
period 1255.284436998612
3.44
7.8408e-06
2.147e-08
d
yr
n .2867875912337133 1.7914e-09 deg/d
Q 2.778907631743812 1.1572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      11845 days (32.43 yr)  
   first obs. used      1986-12-04  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:09:36  

Additional Information
 Earth MOID = .794098 au 
 Jupiter MOID = 2.67924 au 
 T_jup = 3.560 
[ 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 15.1   n/a MPO385068  
diameter diameter 4.851 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39515 (1986 XD5)          Discovered 1986-Dec-04 by Mrkos, A. at Klet
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1986 XD5 = 1998 FT89 = 2000 WY172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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