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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08934823937837023 3.6817e-08  
a 2.999455085187359 1.5515e-08 au
q 2.731459054231369 1.1328e-07 au
i 2.014796496976701 4.5208e-06 deg
node 156.9931337177729 0.00010867 deg
peri 237.5781326259784 0.00011129 deg
M 131.8244572127624 2.3597e-05 deg
tp 2458305.706954915437
(2018-Jul-06.20695492)
0.00012426 TDB
period 1897.413435404816
5.19
1.4722e-05
4.031e-08
d
yr
n .1897319757953508 1.4721e-09 deg/d
Q 3.267451116143349 1.6901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1534  
   data-arc span      15811 days (43.29 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:10:30  

Additional Information
 Earth MOID = 1.73846 au 
 Jupiter MOID = 2.11743 au 
 T_jup = 3.246 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456562.5 (2013-Sep-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08601026024144681 3.6766e-08  
q 2.743788408622294 1.1261e-07 au
tp 2456413.438182990548
(2013-Apr-30.93818299)
0.00013047 TDB
node 157.0981090308583 0.00010913 deg
peri 238.9194855267921 0.00011195 deg
i 2.008691522627439 4.5119e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1534  
   data-arc span      15811 days (43.29 yr)  
   first obs. used      1976-10-22  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:10:30  

Additional Information
 Jupiter MOID = 2.11743 au 
 T_jup = 3.246 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.351715044544387E-15 -4.10737520408772E-15 -6.222130977839841E-13 1.985683956048066E-15 -1.384108398182132E-13 -1.430290380446691E-16
q -4.10737520408772E-15 1.268001284416002E-14 1.551428253188296E-12 -5.335434676658372E-15 3.587270389579683E-13 4.968378340624971E-16
tp -6.222130977839841E-13 1.551428253188296E-12 1.702323652087924E-8 -1.286120832924406E-11 3.270647707745398E-9 -8.391787850657655E-13
node 1.985683956048066E-15 -5.335434676658372E-15 -1.286120832924406E-11 1.191002424155389E-8 -1.190499889460145E-8 2.935361443275503E-11
peri -1.384108398182132E-13 3.587270389579683E-13 3.270647707745398E-9 -1.190499889460145E-8 1.253248132931346E-8 -2.950644420715421E-11
i -1.430290380446691E-16 4.968378340624971E-16 -8.391787850657655E-13 2.935361443275503E-11 -2.950644420715421E-11 2.03569895833213E-11

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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