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 ]  
46982 (1998 SP161)
Classification: Main-belt Asteroid          SPK-ID: 2046982
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1415547686094469 3.4789e-08  
a 2.696111846754471 1.3664e-08 au
q 2.314464358141954 9.5074e-08 au
i 12.82400873278405 5.062e-06 deg
node 192.0771021916076 1.4585e-05 deg
peri 310.5082633887233 2.2192e-05 deg
M 257.4084207261646 1.8407e-05 deg
tp 2459661.302151841705
(2022-Mar-22.80215184)
8.3847e-05 TDB
period 1616.982366751826
4.43
1.2293e-05
3.366e-08
d
yr
n .2226369361857442 1.6925e-09 deg/d
Q 3.077759335366989 1.5598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1141  
   data-arc span      9096 days (24.90 yr)  
   first obs. used      1996-03-18  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .565  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:54:30  

Additional Information
 Earth MOID = 1.34643 au 
 Jupiter MOID = 1.99047 au 
 T_jup = 3.320 
[ 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 14.77   n/a E2021B10  

46982 (1998 SP161)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SP161 = 1996 FD20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-25 08:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin