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109587 (2001 QJ277)
Classification: Main-belt Asteroid          SPK-ID: 2109587
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08253405128319709 6.8835e-08  
a 3.026786538337772 3.0671e-08 au
q 2.776973582959311 2.1063e-07 au
i 11.18363714156304 5.2538e-06 deg
node 96.73196512704182 3.6032e-05 deg
peri 257.7895688712482 4.855e-05 deg
M 190.9249584486766 3.5277e-05 deg
tp 2459903.833506873007
(2022-Nov-20.33350687)
0.00019379 TDB
period 1923.406668958687
5.27
2.9236e-05
8.004e-08
d
yr
n .1871679067198516 2.8449e-09 deg/d
Q 3.276599493716232 3.3203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:06:17  

Additional Information
 Earth MOID = 1.79839 au 
 Jupiter MOID = 2.10609 au 
 T_jup = 3.210 
[ 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 MPO432618  
diameter diameter 7.618 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 208.404 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 0.040   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109587 (2001 QJ277)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QJ277 = 2002 YC18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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