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JPL Small-Body Database Browser
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26428 (1999 XR169)
Classification: Main-belt Asteroid          SPK-ID: 2026428
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09091855984129671 3.9227e-08  
a 2.45200910822267 1.1562e-08 au
q 2.229075971385322 9.6557e-08 au
i 11.17289789051477 4.4942e-06 deg
node 281.6987465931676 2.4956e-05 deg
peri 198.5752094785068 3.7743e-05 deg
M 350.7591966930084 2.8747e-05 deg
tp 2458636.498861914354
(2019-Jun-01.99886191)
0.00011206 TDB
period 1402.431137059517
3.84
9.9192e-06
2.716e-08
d
yr
n .2566970958408792 1.8156e-09 deg/d
Q 2.674942245060017 1.2613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1454  
   data-arc span      11545 days (31.61 yr)  
   first obs. used      1987-09-22  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47753  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:57:59  

Additional Information
 Earth MOID = 1.24826 au 
 Jupiter MOID = 2.43804 au 
 T_jup = 3.463 
[ 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 13.8   n/a MPO426063  
diameter diameter 7.010 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26428 (1999 XR169)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XR169 = 1987 SB14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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