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 ]  
13738 (1998 SF1)
Classification: Main-belt Asteroid          SPK-ID: 2013738
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09179530577336287 3.4334e-08  
a 2.451275241717076 1.2104e-08 au
q 2.226259681368982 8.4936e-08 au
i 5.983203922446443 6.6949e-06 deg
node 190.9491403843369 3.7271e-05 deg
peri 92.91702715182971 5.4273e-05 deg
M 320.7831000021478 3.8728e-05 deg
tp 2459153.206423246017
(2020-Oct-30.70642325)
0.00015064 TDB
period 1401.801579716319
3.84
1.0383e-05
2.843e-08
d
yr
n .2568123800180427 1.9021e-09 deg/d
Q 2.676290802065169 1.3215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      8917 days (24.41 yr)  
   first obs. used      1994-10-06  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:23:41  

Additional Information
 Earth MOID = 1.21992 au 
 Jupiter MOID = 2.43382 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456507.5 (2013-Aug-03.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09247966507613217 3.4449e-08  
q 2.224476581276692 8.5199e-08 au
tp 2456346.465676401403
(2013-Feb-22.96567640)
0.00015288 TDB
node 191.0322769137065 3.7334e-05 deg
peri 92.17143470269205 5.397e-05 deg
i 5.977549249652385 6.6906e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      8917 days (24.41 yr)  
   first obs. used      1994-10-06  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53467  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:23:41  

Additional Information
 Jupiter MOID = 2.43382 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.186711416011248E-15 -2.910370044685002E-15 3.602216632213139E-13 -2.425560648467794E-15 9.684385223985862E-14 1.26339804289911E-15
q -2.910370044685002E-15 7.258841577260678E-15 -1.314402497339808E-12 4.855430855748824E-15 -3.446097479183595E-13 -2.839649816988777E-15
tp 3.602216632213139E-13 -1.314402497339808E-12 2.337144560278322E-8 1.945612906999836E-11 5.967277156151897E-9 -1.764563453056039E-12
node -2.425560648467794E-15 4.855430855748824E-15 1.945612906999836E-11 1.393847175745691E-9 -1.380502017671177E-9 -1.353561613015215E-11
peri 9.684385223985862E-14 -3.446097479183595E-13 5.967277156151897E-9 -1.380502017671177E-9 2.912760693227826E-9 1.300965844926841E-11
i 1.26339804289911E-15 -2.839649816988777E-15 -1.764563453056039E-12 -1.353561613015215E-11 1.300965844926841E-11 4.476429283785733E-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 15.0   n/a MPO435831  

13738 (1998 SF1)          Discovered 1998-Sep-16 by ODAS at Caussols
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SF1 = 1994 TO7 = 1997 JB17 
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 17:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin