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97914 (2000 QK90)
Classification: Main-belt Asteroid          SPK-ID: 2097914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818905212305287 4.7469e-08  
a 2.179772744209276 8.1667e-09 au
q 1.783292743600951 1.0416e-07 au
i 3.297491407710895 5.03e-06 deg
node 294.6236854486726 6.8337e-05 deg
peri 7.173455492369552 6.9117e-05 deg
M 77.55143119763807 1.0233e-05 deg
tp 2458747.277338011375
(2019-Sep-20.77733801)
3.3228e-05 TDB
period 1175.480025424486
3.22
6.606e-06
1.809e-08
d
yr
n .306257862501745 1.7211e-09 deg/d
Q 2.576252744817601 9.6521e-09 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      8054 days (22.05 yr)  
   first obs. used      1997-10-29  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54029  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:29:56  

Additional Information
 Earth MOID = .767869 au 
 Jupiter MOID = 2.64123 au 
 T_jup = 3.658 
[ 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 15.8   n/a MPO436452  
rotation period rot_per 7.927 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.]

97914 (2000 QK90)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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