Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
17739 (1998 BY15)
Classification: Main-belt Asteroid          SPK-ID: 2017739
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608428638152354 1.9928e-08  
a 2.445922223434496 7.9954e-09 au
q 2.052513088347963 4.8305e-08 au
i 6.717078808065056 5.4739e-07 deg
node 275.996273718795 5.3808e-06 deg
peri 81.7602409292866 9.1142e-06 deg
M 113.2847353152721 5.481e-06 deg
tp 2458760.825493373440
(2019-Oct-04.32549337)
2.0755e-05 TDB
period 1397.212271759822
3.83
6.851e-06
1.876e-08
d
yr
n .257655910469904 1.2634e-09 deg/d
Q 2.839331358521028 9.2814e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2041  
   data-arc span      14408 days (39.45 yr)  
   first obs. used      1981-10-02  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:11:25  

Additional Information
 Earth MOID = 1.05968 au 
 Jupiter MOID = 2.64324 au 
 T_jup = 3.471 
[ 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 13.92   n/a E2021B10  
diameter diameter 4.939 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17739 (1998 BY15)          Discovered 1998-Jan-25 by JPL/GEODSS NEAT at Haleakala
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BY15 = 1981 TG1 = 1981 WF5 = 2000 PD13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 19:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin