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213293 (2001 QY154)
Classification: Main-belt Asteroid          SPK-ID: 2213293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096859170703248 4.6815e-08  
a 2.708629050845802 1.452e-08 au
q 2.411530589400457 1.275e-07 au
i 5.712823162482775 5.0724e-06 deg
node 216.31727765 4.0257e-05 deg
peri 138.0983419635907 4.4527e-05 deg
M 103.771930896275 1.8117e-05 deg
tp 2458731.146433817948
(2019-Sep-04.64643382)
8.2081e-05 TDB
period 1628.256141773343
4.46
1.3093e-05
3.585e-08
d
yr
n .2210954350265321 1.7778e-09 deg/d
Q 3.005727512291148 1.6112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      8496 days (23.26 yr)  
   first obs. used      1997-11-02  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50531  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:07  

Additional Information
 Earth MOID = 1.40908 au 
 Jupiter MOID = 2.44249 au 
 T_jup = 3.348 
[ 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 16.05   n/a MPCxxxxx  
diameter diameter 3.575 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213293 (2001 QY154)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2001 QY154 = 2000 JK84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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