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21319 (1996 XX26)
Classification: Main-belt Asteroid          SPK-ID: 2021319
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2242702460063457 2.7544e-08  
a 2.435363884451505 8.1635e-09 au
q 1.889184226970596 6.873e-08 au
i 11.68799436811895 3.4959e-06 deg
node 105.1419423084544 1.5737e-05 deg
peri 119.5535059124158 1.7808e-05 deg
M 34.13786796630451 9.4479e-06 deg
tp 2459068.862958699724
(2020-Aug-07.36295870)
3.622e-05 TDB
period 1388.175000116432
3.80
6.9798e-06
1.911e-08
d
yr
n .2593332972930685 1.3039e-09 deg/d
Q 2.981543541932413 9.9943e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2059  
   data-arc span      8647 days (23.67 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:43:19  

Additional Information
 Earth MOID = .908174 au 
 Jupiter MOID = 2.09741 au 
 T_jup = 3.442 
[ 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 14.26   n/a E2021B10  
diameter diameter 8.679 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.4 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.071   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21319 (1996 XX26)          Discovered 1996-Dec-08 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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