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165655 (2001 KB2)
Classification: Main-belt Asteroid          SPK-ID: 2165655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05187693785077153 4.5113e-08  
a 2.670047969357012 1.7664e-08 au
q 2.5315340567921 1.1759e-07 au
i 10.16223979204098 6.2816e-06 deg
node 60.47187668614816 2.4824e-05 deg
peri 209.2724437087115 6.3798e-05 deg
M 139.7301513428496 6.0338e-05 deg
tp 2458581.964470229190
(2019-Apr-08.46447023)
0.00026578 TDB
period 1593.591566154747
4.36
1.5814e-05
4.33e-08
d
yr
n .2259048100189568 2.2418e-09 deg/d
Q 2.808561881921925 1.8581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      2001-04-26  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53089  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:24:04  

Additional Information
 Earth MOID = 1.519 au 
 Jupiter MOID = 2.22611 au 
 T_jup = 3.357 
[ 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 15.54   n/a MPCxxxxx  

165655 (2001 KB2)          Discovered 2001-May-19 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20071026/Numbers.arcLast Updated: 2007-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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