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JPL Small-Body Database Browser
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109596 (2001 QK281)
Classification: Main-belt Asteroid          SPK-ID: 2109596
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2760110267028337 3.4397e-08  
a 2.625965714511589 1.2793e-08 au
q 1.901170221562805 8.942e-08 au
i 17.72552142230604 5.971e-06 deg
node 30.67083454902557 1.3236e-05 deg
peri 265.265925146138 1.7152e-05 deg
M 84.99465941582989 1.1872e-05 deg
tp 2458233.537960114324
(2018-Apr-25.03796011)
5.0436e-05 TDB
period 1554.289825582135
4.26
1.1358e-05
3.11e-08
d
yr
n .2316170344003684 1.6926e-09 deg/d
Q 3.350761207460373 1.6324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      8287 days (22.69 yr)  
   first obs. used      1996-04-11  
   last obs. used      2018-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52245  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:21:04  

Additional Information
 Earth MOID = .981367 au 
 Jupiter MOID = 2.18927 au 
 T_jup = 3.282 
[ 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 15.3   n/a MPO410682  
rotation period rot_per 4.17 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

109596 (2001 QK281)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QK281 = 1996 GB6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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