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376842 (2001 QM259)
Classification: Mars-crossing Asteroid          SPK-ID: 2376842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2893572719437436 4.7035e-08  
a 2.279797536036774 2.1369e-08 au
q 1.620121540425104 1.0501e-07 au
i 23.47826226261359 1.0074e-05 deg
node 337.782609830959 1.2673e-05 deg
peri 281.3241349590674 2.3658e-05 deg
M 224.2410651706433 1.6428e-05 deg
tp 2459474.642371809223
(2021-Sep-17.14237181)
5.7956e-05 TDB
period 1257.311381132092
3.44
1.7678e-05
4.84e-08
d
yr
n .2863252535548142 4.0257e-09 deg/d
Q 2.939473531648443 2.7553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      6232 days (17.06 yr)  
   first obs. used      2001-08-25  
   last obs. used      2018-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48707  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 13:02:05  

Additional Information
 Earth MOID = .763814 au 
 Jupiter MOID = 2.66756 au 
 T_jup = 3.445 
[ 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 16.7   n/a MPO455716  
rotation period rot_per 5.162 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

376842 (2001 QM259)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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