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JPL Small-Body Database Browser
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71150 (1999 XW186)
Classification: Main-belt Asteroid          SPK-ID: 2071150
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064732472941874 4.0748e-08  
a 2.688290807174061 1.6431e-08 au
q 2.402059755263126 1.148e-07 au
i 9.207851330197247 5.383e-06 deg
node 26.33087697224299 2.3632e-05 deg
peri 242.1240349593389 3.4175e-05 deg
M 35.10568504337679 2.5922e-05 deg
tp 2458843.504303209095
(2019-Dec-26.00430321)
0.00011562 TDB
period 1609.951515684465
4.41
1.476e-05
4.041e-08
d
yr
n .2236092183477634 2.0501e-09 deg/d
Q 2.974521859084995 1.8181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      7541 days (20.65 yr)  
   first obs. used      1998-09-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52545  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:30  

Additional Information
 Earth MOID = 1.40316 au 
 Jupiter MOID = 2.12354 au 
 T_jup = 3.347 
[ 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 14.5   n/a MPO474592  
diameter diameter 3.565 km 0.540 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.201   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71150 (1999 XW186)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XW186 = 2001 DH17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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