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17642 (1996 TY4)
Classification: Main-belt Asteroid          SPK-ID: 2017642
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319989750964709 5.2198e-08  
a 2.614807861016914 1.3549e-08 au
q 2.269655903288486 1.3996e-07 au
i 13.92904649400218 5.595e-06 deg
node 16.36423315114798 1.6214e-05 deg
peri 121.7042587189838 2.6266e-05 deg
M 153.4762404824266 1.7834e-05 deg
tp 2458542.089495273289
(2019-Feb-27.58949527)
7.7113e-05 TDB
period 1544.393978876203
4.23
1.2004e-05
3.287e-08
d
yr
n .233101141887356 1.8118e-09 deg/d
Q 2.959959818745342 1.5338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1531  
   data-arc span      9607 days (26.30 yr)  
   first obs. used      1994-04-04  
   last obs. used      2020-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:09:03  

Additional Information
 Earth MOID = 1.31275 au 
 Jupiter MOID = 2.10208 au 
 T_jup = 3.354 
[ 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 14.0   n/a MPO474001  
diameter diameter 4.188 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.333   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17642 (1996 TY4)          Discovered 1996-Oct-06 by Viscome, G. R. at Rand
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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