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15943 (1998 AZ)
Classification: Main-belt Asteroid          SPK-ID: 2015943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .068553989524842 3.6342e-08  
a 3.069468753404838 1.6719e-08 au
q 2.859044424637093 1.1505e-07 au
i 10.07146317481581 4.7064e-06 deg
node 326.3250017860923 2.3846e-05 deg
peri 278.9826959917892 4.3884e-05 deg
M 26.90008322809869 3.6401e-05 deg
tp 2459249.727607079224
(2021-Feb-04.22760708)
0.00019874 TDB
period 1964.234125353453
5.38
1.6049e-05
4.394e-08
d
yr
n .1832775407744329 1.4975e-09 deg/d
Q 3.279893082172582 1.7866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1871  
   data-arc span      11191 days (30.64 yr)  
   first obs. used      1990-10-24  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49304  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:05:20  

Additional Information
 Earth MOID = 1.86848 au 
 Jupiter MOID = 1.86181 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456922.5 (2014-Sep-22.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06780848606246549 3.6531e-08  
q 2.861667172680919 1.1559e-07 au
tp 2457276.193358306323
(2015-Sep-10.69335831)
0.00020186 TDB
node 326.355504425578 2.3848e-05 deg
peri 277.3351464527429 4.4062e-05 deg
i 10.07050458771171 4.7056e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1871  
   data-arc span      11191 days (30.64 yr)  
   first obs. used      1990-10-24  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49304  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 14:05:20  

Additional Information
 Jupiter MOID = 1.86181 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.334492484290155E-15 -4.184031640857378E-15 -1.489758847981135E-12 3.091220814589651E-15 -2.502102500098049E-13 9.33534282251047E-16
q -4.184031640857378E-15 1.335995803361277E-14 4.088534001908779E-12 -8.059459532861293E-15 6.666702389862961E-13 -3.251517437482197E-15
tp -1.489758847981135E-12 4.088534001908779E-12 4.07481251968834E-8 -3.425904436151303E-11 7.501952394496942E-9 3.970684226761443E-13
node 3.091220814589651E-15 -8.059459532861293E-15 -3.425904436151303E-11 5.687421990547627E-10 -5.655846460526401E-10 2.726183748034229E-11
peri -2.502102500098049E-13 6.666702389862961E-13 7.501952394496942E-9 -5.655846460526401E-10 1.941449480860025E-9 -2.682489227273039E-11
i 9.33534282251047E-16 -3.251517437482197E-15 3.970684226761443E-13 2.726183748034229E-11 -2.682489227273039E-11 2.214261926938571E-11

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 13.16   n/a MPCxxxxx  
diameter diameter 8.329 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15943 (1998 AZ)          Discovered 1998-Jan-05 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 AZ = 1999 LD33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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