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109137 (2001 QO54)
Classification: Main-belt Asteroid          SPK-ID: 2109137
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05168451809134212 4.786e-08  
a 2.468166705848559 1.6973e-08 au
q 2.340600699087681 1.2292e-07 au
i 8.060332970148623 5.5799e-06 deg
node 136.6664204872993 4.1382e-05 deg
peri 115.3990339856838 8.3442e-05 deg
M 272.4909776096853 7.743e-05 deg
tp 2458944.778968174578
(2020-Apr-05.27896817)
0.00030666 TDB
period 1416.315999852437
3.88
1.4609e-05
4e-08
d
yr
n .2541805642508504 2.6219e-09 deg/d
Q 2.595732712609437 1.785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      9890 days (27.08 yr)  
   first obs. used      1992-03-02  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5508  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:28:20  

Additional Information
 Earth MOID = 1.33812 au 
 Jupiter MOID = 2.43901 au 
 T_jup = 3.470 
[ 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 16.0   n/a MPO432615  
rotation period rot_per 5.58 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.]

109137 (2001 QO54)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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