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117335 (2004 XT11)
Classification: Main-belt Asteroid          SPK-ID: 2117335
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969746010006732 4.4236e-08  
a 2.585566712983842 1.8091e-08 au
q 2.076275741333228 1.1706e-07 au
i 9.653428351235915 6.1997e-06 deg
node 159.0964182868812 2.8015e-05 deg
peri 261.5329585899937 3.2605e-05 deg
M 271.3303630172207 1.9027e-05 deg
tp 2459374.528313030904
(2021-Jun-09.02831303)
8.2292e-05 TDB
period 1518.56032428864
4.16
1.5938e-05
4.364e-08
d
yr
n .2370666441378545 2.4881e-09 deg/d
Q 3.094857684634456 2.1655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1997-03-05  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:29:55  

Additional Information
 Earth MOID = 1.11433 au 
 Jupiter MOID = 2.32667 au 
 T_jup = 3.375 
[ 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 15.0   n/a MPO475030  
diameter diameter 4.275 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.102 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 0.123   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117335 (2004 XT11)          Discovered 2004-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 XT11 = 1997 EU23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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