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185976 (2001 KY41)
Classification: Main-belt Asteroid          SPK-ID: 2185976
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091583940663431 4.6133e-08  
a 2.312748391961863 1.6271e-08 au
q 2.060292491615789 1.0585e-07 au
i 7.284333919472001 5.0372e-06 deg
node 85.58679057999097 5.475e-05 deg
peri 198.1040587830771 6.3939e-05 deg
M 152.1941795833677 3.4304e-05 deg
tp 2458657.391560478589
(2019-Jun-22.89156048)
0.00012121 TDB
period 1284.668301790136
3.52
1.3557e-05
3.712e-08
d
yr
n .2802279775241234 2.9572e-09 deg/d
Q 2.565204292307938 1.8047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      7165 days (19.62 yr)  
   first obs. used      2001-05-24  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57897  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:49:22  

Additional Information
 Earth MOID = 1.04329 au 
 Jupiter MOID = 2.54544 au 
 T_jup = 3.565 
[ 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 17.04   n/a MPCxxxxx  

185976 (2001 KY41)          Discovered 2001-May-24 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2001 KY41 = 2006 YW20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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