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 ]  
101248 (1998 ST88)
Classification: Main-belt Asteroid          SPK-ID: 2101248
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000330806989664 5.8227e-08  
a 2.586044950104589 1.5039e-08 au
q 2.327354906919622 1.5029e-07 au
i 7.25230294888868 6.9045e-06 deg
node 198.970764894411 3.4558e-05 deg
peri 161.9769656855804 4.5352e-05 deg
M 75.48654722840102 2.8137e-05 deg
tp 2458681.992552747212
(2019-Jul-17.49255275)
0.00011905 TDB
period 1518.98166257448
4.16
1.325e-05
3.628e-08
d
yr
n .2370008861001296 2.0674e-09 deg/d
Q 2.844734993289556 1.6543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      10954 days (29.99 yr)  
   first obs. used      1990-10-24  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:38  

Additional Information
 Earth MOID = 1.32596 au 
 Jupiter MOID = 2.60154 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457731.5 (2016-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010170407756023 5.8211e-08  
q 2.324192477746827 1.5011e-07 au
tp 2457158.883396969773
(2015-May-16.38339697)
0.00012008 TDB
node 198.9995168259909 3.453e-05 deg
peri 161.0267354356958 4.5156e-05 deg
i 7.254796182985511 6.9063e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      409  
   data-arc span      10954 days (29.99 yr)  
   first obs. used      1990-10-24  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:38  

Additional Information
 Jupiter MOID = 2.60154 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.388471908783954E-15 -8.703385339414416E-15 3.385683537424204E-12 3.768540340946432E-14 7.294188564881774E-13 2.336464112359037E-15
q -8.703385339414416E-15 2.253415545835885E-14 -9.096067556845092E-12 -9.855014845613335E-14 -1.956441428841469E-12 -5.587555910366428E-15
tp 3.385683537424204E-12 -9.096067556845092E-12 1.441856560011586E-8 6.243890813150967E-11 3.501263461130644E-9 3.968786782096603E-12
node 3.768540340946432E-14 -9.855014845613335E-14 6.243890813150967E-11 1.192314382117484E-9 -1.167533312329739E-9 9.56910563714931E-11
peri 7.294188564881774E-13 -1.956441428841469E-12 3.501263461130644E-9 -1.167533312329739E-9 2.039101178218488E-9 -9.400843461199792E-11
i 2.336464112359037E-15 -5.587555910366428E-15 3.968786782096603E-12 9.56910563714931E-11 -9.400843461199792E-11 4.769649811578192E-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 16.2   n/a MPO502725  

101248 (1998 ST88)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 ST88 = 1997 JA6 = 2002 PO168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-15 22:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin