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JPL Small-Body Database Browser
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97644 (2000 ET171)
Classification: Main-belt Asteroid          SPK-ID: 2097644
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05516602378055428 5.5571e-08  
a 3.167325673555045 3.3898e-08 au
q 2.992596910126947 1.6874e-07 au
i 10.60418935098987 5.7688e-06 deg
node 84.65797397029588 3.2973e-05 deg
peri 34.40597061660407 6.6024e-05 deg
M 257.5895039390806 5.8045e-05 deg
tp 2459586.205736391719
(2022-Jan-06.70573639)
0.0003338 TDB
period 2058.910689931539
5.64
3.3053e-05
9.049e-08
d
yr
n .1748497405742113 2.807e-09 deg/d
Q 3.342054436983142 3.5768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      1998-12-17  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57305  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:48:33  

Additional Information
 Earth MOID = 2.01564 au 
 Jupiter MOID = 1.8075 au 
 T_jup = 3.174 
[ 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 14.1   n/a MPO351541  
diameter diameter 8.055 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97644 (2000 ET171)          Discovered 2000-Mar-05 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 2000 ET171 = 1998 YN29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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