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100674 (1997 XX1)
Classification: Main-belt Asteroid          SPK-ID: 2100674
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1657555000166054 3.0713e-07  
a 2.522447477181043 1.272e-08 au
q 2.104337934335275 7.7614e-07 au
i 6.913092789876941 5.202e-06 deg
node 114.6468966214915 5.5512e-05 deg
peri 282.3155832225886 5.6958e-05 deg
M 249.845177632749 2.0985e-05 deg
tp 2459448.246952573387
(2021-Aug-21.74695257)		 8.5848e-05 TDB
period 1463.294111528073
4.01		 1.1068e-05
3.03e-08		 d
yr
n .2460202615208115 1.8609e-09 deg/d
Q 2.940557020026812 1.4828e-08 au
   Orbit Determination Parameters
   # obs. used (total)      968  
   data-arc span      10754 days (29.44 yr)  
   first obs. used      1989-11-30  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51788  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:34:42  

Additional Information
 Earth MOID = 1.12472 au 
 Jupiter MOID = 2.49782 au 
 T_jup = 3.426 
[ 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 14.4   n/a MPO436469  
diameter diameter 4.022 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100674 (1997 XX1)          Discovered 1997-Dec-02 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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