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135133 (2001 QD179)
Classification: Main-belt Asteroid          SPK-ID: 2135133
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .225586782364173 3.9247e-08  
a 3.08065125868412 1.842e-08 au
q 2.38569705365143 1.2122e-07 au
i 14.45293957435769 5.1176e-06 deg
node 139.7795083816114 1.7628e-05 deg
peri 262.4080545784333 2.0576e-05 deg
M 182.2368562815295 1.1259e-05 deg
tp 2460175.717428667530
(2023-Aug-19.21742867)
6.5789e-05 TDB
period 1974.97786648241
5.41
1.7713e-05
4.85e-08
d
yr
n .1822805238021164 1.6348e-09 deg/d
Q 3.77560546371681 2.2575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1121  
   data-arc span      9354 days (25.61 yr)  
   first obs. used      1995-07-02  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48096  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:39  

Additional Information
 Earth MOID = 1.44417 au 
 Jupiter MOID = 1.95132 au 
 T_jup = 3.141 
[ 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 14.21   n/a E2021B55  
diameter diameter 9.189 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 24.3152 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

135133 (2001 QD179)          Discovered 2001-Aug-28 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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