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134702 (1999 XQ125)
Classification: Main-belt Asteroid          SPK-ID: 2134702
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480783607011647 4.4276e-08  
a 2.394106548458312 1.174e-08 au
q 2.039591175418682 1.1044e-07 au
i 5.602799882612484 4.7175e-06 deg
node 308.1140893390994 3.717e-05 deg
peri 44.6215935599404 3.9581e-05 deg
M 246.6120996828285 1.4181e-05 deg
tp 2459426.665070628134
(2021-Jul-31.16507063)
5.4857e-05 TDB
period 1353.049355327856
3.70
9.9528e-06
2.725e-08
d
yr
n .2660656823658652 1.9571e-09 deg/d
Q 2.748621921497943 1.3479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      7448 days (20.39 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:22:20  

Additional Information
 Earth MOID = 1.03807 au 
 Jupiter MOID = 2.67809 au 
 T_jup = 3.509 
[ 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 15.8   n/a MPO426838  
diameter diameter 1.522 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.840 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.439   0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134702 (1999 XQ125)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 XQ125 = 2003 YT82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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