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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
13757 (1998 ST73)
Classification: Main-belt Asteroid          SPK-ID: 2013757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536162296705453 3.6708e-08  
a 2.305784381448009 7.7257e-09 au
q 1.951578478336735 8.3689e-08 au
i 4.137035997940528 3.7915e-06 deg
node 143.2348893522009 5.6607e-05 deg
peri 89.12557128573341 5.7864e-05 deg
M 205.1762989394492 1.3912e-05 deg
tp 2459550.498380651932
(2021-Dec-01.99838065)
5.0468e-05 TDB
period 1278.870196735956
3.50
6.4274e-06
1.76e-08
d
yr
n .2814984670991813 1.4148e-09 deg/d
Q 2.659990284559282 8.9125e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1594  
   data-arc span      15423 days (42.23 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:14:10  

Additional Information
 Earth MOID = .94612 au 
 Jupiter MOID = 2.33754 au 
 T_jup = 3.569 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456575.5 (2013-Oct-10.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535549034752716 3.678e-08  
q 1.952519477767144 8.384e-08 au
tp 2456992.640957698178
(2014-Dec-01.14095770)
4.6822e-05 TDB
node 143.279014127313 5.6643e-05 deg
peri 88.94300056347748 5.7893e-05 deg
i 4.135178458746905 3.7901e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1594  
   data-arc span      15423 days (42.23 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:14:10  

Additional Information
 Jupiter MOID = 2.33754 au 
 T_jup = 3.569 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.35275930434479E-15 -3.074397500874986E-15 -2.731865653043371E-13 -3.374199739077153E-15 -8.029784568026547E-14 -1.289258249340338E-16
q -3.074397500874986E-15 7.02914885640522E-15 6.819370654103966E-13 7.16300005838371E-15 1.945108572395527E-13 2.932133269492536E-16
tp -2.731865653043371E-13 6.819370654103966E-13 2.192338091282417E-9 1.159138863747519E-11 5.784113697021556E-10 1.445453812110476E-13
node -3.374199739077153E-15 7.16300005838371E-15 1.159138863747519E-11 3.208379576096204E-9 -3.196343888761147E-9 4.069591362619282E-11
peri -8.029784568026547E-14 1.945108572395527E-13 5.784113697021556E-10 -3.196343888761147E-9 3.351542451438123E-9 -4.056179017402188E-11
i -1.289258249340338E-16 2.932133269492536E-16 1.445453812110476E-13 4.069591362619282E-11 -4.056179017402188E-11 1.436469118124579E-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 14.9   n/a MPO347634  
diameter diameter 6.507 km 0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13757 (1998 ST73)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 ST73 = 1993 BO12 = 1997 GU44 = 4381 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 14:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin