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51909 (2001 QD60)
Classification: Main-belt Asteroid          SPK-ID: 2051909
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 .1252851487758314 4.9693e-08  
a 2.645897590786487 1.51e-08 au
q 2.314405917479189 1.3146e-07 au
i 11.00344428736317 6.1172e-06 deg
node 339.8114910184671 2.0347e-05 deg
peri 217.7917792895198 2.8508e-05 deg
M 245.4189941013836 2.1353e-05 deg
tp 2459500.843316523848
(2021-Oct-13.34331652)
9.4369e-05 TDB
period 1572.019660116811
4.30
1.3457e-05
3.684e-08
d
yr
n .2290047695543768 1.9604e-09 deg/d
Q 2.977389264093786 1.6992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      7709 days (21.11 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52105  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:16:31  

Additional Information
 Earth MOID = 1.32483 au 
 Jupiter MOID = 2.02929 au 
 T_jup = 3.356 
[ 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 14.8   n/a MPO452876  
diameter diameter 6.626 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.28470 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.053   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

51909 (2001 QD60)          Discovered 2001-Aug-18 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 QD60 = 2000 JU64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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