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JPL Small-Body Database Browser
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393464 (2001 YQ20)
Classification: Main-belt Asteroid          SPK-ID: 2393464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406690585848271 8.7682e-08  
a 3.107621746098733 4.1508e-08 au
q 2.670475520637287 2.7656e-07 au
i 18.2196183420785 9.3949e-06 deg
node 250.3137783352646 2.636e-05 deg
peri 170.0585008568054 3.9525e-05 deg
M 134.5501447678607 3.054e-05 deg
tp 2458252.636524911464
(2018-May-14.13652491)
0.00016355 TDB
period 2000.970355672056
5.48
4.009e-05
1.098e-07
d
yr
n .179912710340523 3.6046e-09 deg/d
Q 3.544767971560178 4.7347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:50:31  

Additional Information
 Earth MOID = 1.68544 au 
 Jupiter MOID = 1.79093 au 
 T_jup = 3.128 
[ 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 15.5   n/a MPO434462  

393464 (2001 YQ20)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15

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