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71124 (1999 XR173)
Classification: Main-belt Asteroid          SPK-ID: 2071124
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1830746329324477 5.4159e-08  
a 2.6720230151585 1.6479e-08 au
q 2.182843382471305 1.4606e-07 au
i 11.39353421246009 5.2855e-06 deg
node 297.9751831867276 3.1752e-05 deg
peri 104.810915913253 3.5225e-05 deg
M 291.2018163997873 1.4938e-05 deg
tp 2459305.382986649044
(2021-Mar-31.88298665)
6.7257e-05 TDB
period 1595.360072752219
4.37
1.4758e-05
4.041e-08
d
yr
n .2256543874631071 2.0874e-09 deg/d
Q 3.161202647845694 1.9495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      14098 days (38.60 yr)  
   first obs. used      1981-10-23  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:38:22  

Additional Information
 Earth MOID = 1.22487 au 
 Jupiter MOID = 2.32382 au 
 T_jup = 3.329 
[ 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 14.3   n/a MPO395650  
diameter diameter 4.707 km 0.758 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.195   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71124 (1999 XR173)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XR173 = 1981 UZ12 = 1990 WV13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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