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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480816138821896 3.9298e-08  
a 2.394885748603403 1.125e-08 au
q 2.040247201886755 9.8281e-08 au
i 5.602874198863002 4.1848e-06 deg
node 308.1123888132904 3.4565e-05 deg
peri 44.49288568099961 3.6818e-05 deg
M 299.9469280216554 1.3876e-05 deg
tp 2459426.317894566446
(2021-Jul-30.81789457)
5.3058e-05 TDB
period 1353.709966298404
3.71
9.5386e-06
2.612e-08
d
yr
n .2659358422132232 1.8739e-09 deg/d
Q 2.749524295320051 1.2916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      7477 days (20.47 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:09:32  

Additional Information
 Earth MOID = 1.03693 au 
 Jupiter MOID = 2.67694 au 
 T_jup = 3.508 
[ 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 15.89   n/a E2021B55  
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. 2020-October); 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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