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43606 (2001 XQ2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2043606
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06510764654735075 3.1438e-08  
a 1.936078755143201 5.3964e-09 au
q 1.810025223865503 6.1955e-08 au
i 17.86968024988007 5.0552e-06 deg
node 310.7918706646865 1.0553e-05 deg
peri 242.7432750154429 4.3393e-05 deg
M 351.0978675283669 4.2398e-05 deg
tp 2459420.831815119568
(2021-Jul-25.33181512)
0.00011589 TDB
period 983.9724887218433
2.69
4.1139e-06
1.126e-08
d
yr
n .3658638875845313 1.5297e-09 deg/d
Q 2.0621322864209 5.7478e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3322  
   data-arc span      25643 days (70.21 yr)  
   first obs. used      1951-03-28  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .29765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:40:15  

Additional Information
 Earth MOID = .862439 au 
 Jupiter MOID = 3.00029 au 
 T_jup = 3.846 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.28   n/a MPCxxxxx  
diameter diameter 2.220 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 87. 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:
[Warner, B.D. (2010) Minor Planet Bull. 37, 112-118.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.623   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43606 (2001 XQ2)          Discovered 2001-Dec-08 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 XQ2 = 1982 XM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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