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JPL Small-Body Database Browser
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15069 (1999 AU21)
Classification: Main-belt Asteroid          SPK-ID: 2015069
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08934823205801389 3.5613e-08  
a 2.999455088919607 1.4723e-08 au
q 2.731459079587227 1.0853e-07 au
i 2.014796540922557 4.5186e-06 deg
node 156.9931133724145 0.00010219 deg
peri 237.5781493075119 0.00010485 deg
M 131.8244595220294 2.339e-05 deg
tp 2458305.706941447425
(2018-Jul-06.20694145)
0.00012293 TDB
period 1897.413438946269
5.19
1.397e-05
3.825e-08
d
yr
n .1897319754412231 1.3969e-09 deg/d
Q 3.267451098251987 1.6038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1673  
   data-arc span      15893 days (43.51 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48461  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:07:23  

Additional Information
 Earth MOID = 1.73846 au 
 Jupiter MOID = 2.11743 au 
 T_jup = 3.246 
[ 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 13.7   n/a MPO384885  
diameter diameter 6.082 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15069 (1999 AU21)          Discovered 1999-Jan-15 by Korlevic, K. at Visnjan
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AU21 = 1976 UP7 = 1997 UB18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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