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 ]  
181832 (1998 SZ87)
Classification: Main-belt Asteroid          SPK-ID: 2181832
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2214286595067255 5.4074e-08  
a 2.43233749607794 1.1613e-08 au
q 1.893748264853457 1.3533e-07 au
i 4.678593969206361 5.4645e-06 deg
node 347.3935134538969 5.9555e-05 deg
peri 23.30563344621314 6.0383e-05 deg
M 306.6366506867519 1.0543e-05 deg
tp 2459405.887854497204
(2021-Jul-10.38785450)
4.1179e-05 TDB
period 1385.588209333727
3.79
9.9234e-06
2.717e-08
d
yr
n .259817453392671 1.8608e-09 deg/d
Q 2.970926727302424 1.4185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      7950 days (21.77 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59419  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:14  

Additional Information
 Earth MOID = .892869 au 
 Jupiter MOID = 2.50154 au 
 T_jup = 3.468 
[ 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 16.55   n/a E2021B55  

181832 (1998 SZ87)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1998 SZ87 = 2002 VX124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-15 00:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin