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 ]  
101241 (1998 SZ81)
Classification: Main-belt Asteroid          SPK-ID: 2101241
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06024645237641439 3.7491e-08  
a 2.284762150070556 1.0354e-08 au
q 2.147113336004896 8.6046e-08 au
i 5.960939907324893 5.2569e-06 deg
node 202.9448244660973 4.0176e-05 deg
peri 241.8629530317245 6.4305e-05 deg
M 24.68290995618309 4.7433e-05 deg
tp 2458914.012413434780
(2020-Mar-05.51241343)		 0.00016637 TDB
period 1261.420603111655
3.45		 8.5749e-06
2.348e-08		 d
yr
n .2853925162724922 1.94e-09 deg/d
Q 2.422410964136215 1.0978e-08 au
   Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      21673 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:17:39  

Additional Information
 Earth MOID = 1.17006 au 
 Jupiter MOID = 2.69493 au 
 T_jup = 3.593 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO453465  

101241 (1998 SZ81)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SZ81 = 2004 JR33 = 6238 P-L 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 12:25 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin