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15416 (1998 DZ2)
Classification: Main-belt Asteroid          SPK-ID: 2015416
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447268317631409 1.6471e-08  
a 2.569918231922902 1.0787e-08 au
q 2.197982108326368 4.2436e-08 au
i 15.86082357375348 3.3251e-07 deg
node 85.71916884209926 1.6747e-06 deg
peri 276.5732027803959 9.4216e-06 deg
M 254.8437636378034 1.2851e-05 deg
tp 2459640.051653556969
(2022-Mar-01.55165356)
5.5301e-05 TDB
period 1504.795157706836
4.12
9.4742e-06
2.594e-08
d
yr
n .2392352195953406 1.5062e-09 deg/d
Q 2.941854355519437 1.2348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2286  
   data-arc span      14661 days (40.14 yr)  
   first obs. used      1980-06-23  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42796  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:57:23  

Additional Information
 Earth MOID = 1.26171 au 
 Jupiter MOID = 2.61816 au 
 T_jup = 3.363 
[ 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 12.46   n/a E2021B10  
diameter diameter 8.616 km 0.553 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.314   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15416 (1998 DZ2)          Discovered 1998-Feb-21 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DZ2 = 1982 BJ11 = 1989 WJ6 = 1999 CS127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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