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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ show covariance matrix ]

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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