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160865 (2001 JK2)
Classification: Main-belt Asteroid          SPK-ID: 2160865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032602272819152 4.2635e-08  
a 2.977774341701733 2.4778e-08 au
q 2.670288686383357 1.2237e-07 au
i 10.35080178612603 4.8373e-06 deg
node 114.2664283861578 2.2113e-05 deg
peri 222.5775306984632 3.0328e-05 deg
M 208.7700031936863 2.1975e-05 deg
tp 2459988.945255748312
(2023-Feb-13.44525575)
0.00011689 TDB
period 1876.878252089879
5.14
2.3426e-05
6.414e-08
d
yr
n .1918078594597943 2.394e-09 deg/d
Q 3.285259997020109 2.7336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      7182 days (19.66 yr)  
   first obs. used      2001-05-15  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:46:20  

Additional Information
 Earth MOID = 1.66819 au 
 Jupiter MOID = 2.05477 au 
 T_jup = 3.228 
[ 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 15.32   n/a E2020-QM9  

160865 (2001 JK2)          Discovered 2001-May-15 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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