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100684 (1997 YX1)
Classification: Main-belt Asteroid          SPK-ID: 2100684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2305983839369261 3.6337e-08  
a 2.542383962724478 1.0747e-08 au
q 1.956114329573055 9.3799e-08 au
i 3.856625198438282 4.112e-06 deg
node 111.2772135150056 9.2303e-05 deg
peri 2.464970223213316 9.3824e-05 deg
M 271.6727578332315 1.8833e-05 deg
tp 2459759.789049569238
(2022-Jun-29.28904957)
7.8676e-05 TDB
period 1480.676342164011
4.05
9.3887e-06
2.57e-08
d
yr
n .2431321347877143 1.5417e-09 deg/d
Q 3.128653595875901 1.3225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      11112 days (30.42 yr)  
   first obs. used      1990-01-24  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50794  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:18  

Additional Information
 Earth MOID = .973005 au 
 Jupiter MOID = 1.98782 au 
 T_jup = 3.404 
[ 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 15.17   n/a MPCxxxxx  
diameter diameter 5.164 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100684 (1997 YX1)          Discovered 1997-Dec-21 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 YX1 = 1990 BQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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