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71128 (1999 XO176)
Classification: Main-belt Asteroid          SPK-ID: 2071128
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06262430329380331 5.0676e-08  
a 3.165471179144226 2.4884e-08 au
q 2.967235751953705 1.583e-07 au
i 8.887745112601614 5.6313e-06 deg
node 5.260693170712738 3.1529e-05 deg
peri 170.6649067483759 5.0028e-05 deg
M 100.2214906756471 3.9088e-05 deg
tp 2458027.816949338142
(2017-Oct-01.31694934)
0.00022283 TDB
period 2057.102691732019
5.63
2.4257e-05
6.641e-08
d
yr
n .1750034169159007 2.0636e-09 deg/d
Q 3.363706606334748 2.6442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      7602 days (20.81 yr)  
   first obs. used      1998-11-10  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52278  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:39:42  

Additional Information
 Earth MOID = 1.97183 au 
 Jupiter MOID = 1.59861 au 
 T_jup = 3.182 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO359240  
diameter diameter 9.586 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71128 (1999 XO176)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XO176 = 1998 VK18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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