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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06518872364113923 3.1458e-08  
a 1.936164645781448 5.4052e-09 au
q 1.809948543763857 6.1991e-08 au
i 17.86977491787603 5.1113e-06 deg
node 310.7922039061336 1.0725e-05 deg
peri 242.7605333203178 4.3633e-05 deg
M 279.3814879040187 4.2715e-05 deg
tp 2459420.865768892516
(2021-Jul-25.36576889)
0.00011678 TDB
period 984.0379676922906
2.69
4.1207e-06
1.128e-08
d
yr
n .3658395425983931 1.532e-09 deg/d
Q 2.062380747799039 5.7575e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2617  
   data-arc span      25560 days (69.98 yr)  
   first obs. used      1951-03-28  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33264  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:22  

Additional Information
 Earth MOID = .861512 au 
 Jupiter MOID = 3.00065 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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