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 ]  
46938 (1998 SP71)
Classification: Main-belt Asteroid          SPK-ID: 2046938
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0501208450788855 4.1808e-08  
a 2.668876804081783 1.0783e-08 au
q 2.535110443249768 1.1354e-07 au
i 1.606495212843814 3.7709e-06 deg
node 106.1432483612019 0.0001459 deg
peri 309.2924934230797 0.0001506 deg
M 1.725028896261891 3.6254e-05 deg
tp 2459192.868936082505
(2020-Dec-09.36893608)
0.00016038 TDB
period 1592.543183625115
4.36
9.6511e-06
2.642e-08
d
yr
n .2260535247656707 1.3699e-09 deg/d
Q 2.802643164913797 1.1323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1096  
   data-arc span      8169 days (22.37 yr)  
   first obs. used      1998-09-21  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:53:52  

Additional Information
 Earth MOID = 1.54599 au 
 Jupiter MOID = 2.36053 au 
 T_jup = 3.380 
[ 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 15.06   n/a MPCxxxxx  

46938 (1998 SP71)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SP71 = 2000 BJ18 
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 08:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin