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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247178110601708 2.7248e-08  
a 2.436005770513787 8.3324e-09 au
q 1.888591886033984 6.8122e-08 au
i 11.68427770025794 3.4855e-06 deg
node 105.1312637187485 1.57e-05 deg
peri 119.574060094211 1.7768e-05 deg
M 84.90060283120286 9.5197e-06 deg
tp 2459068.990298542623
(2020-Aug-07.49029854)
3.6157e-05 TDB
period 1388.723855813703
3.80
7.1252e-06
1.951e-08
d
yr
n .2592308027927288 1.3301e-09 deg/d
Q 2.983419654993591 1.0205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2080  
   data-arc span      8961 days (24.53 yr)  
   first obs. used      1996-12-08  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:06:59  

Additional Information
 Earth MOID = .90919 au 
 Jupiter MOID = 2.09445 au 
 T_jup = 3.442 
[ 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 14.26   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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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