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(1997 QK1)
Classification: Apollo [NEO, PHA]          SPK-ID: 3010679
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6474805655245707 3.4102e-08  
a 2.779836429288758 2.2029e-08 au
q .9799463659870697 9.9949e-08 au
i 2.891333216950735 5.0421e-06 deg
node 306.763103456252 9.6678e-05 deg
peri 2.9783155137598 9.9069e-05 deg
M 317.6002130550179 1.5767e-05 deg
tp 2459199.883154758462
(2020-Dec-16.38315476)
7.6471e-05 TDB
period 1692.884348833765
4.63
2.0123e-05
5.509e-08
d
yr
n .2126548102639177 2.5278e-09 deg/d
Q 4.579726492590446 3.6293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      185  
   data-arc span      5156 days (14.12 yr)  
   first obs. used      1997-08-27  
   last obs. used      2011-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7178  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Nov-09 06:17:39  

Additional Information
 Earth MOID = .018198 au 
 Jupiter MOID = .732205 au 
 T_jup = 2.984 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.3   n/a MPO297820  

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