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 ]  
46927 (1998 SP54)
Classification: Main-belt Asteroid          SPK-ID: 2046927
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2235396112971361 3.7604e-08  
a 2.544066578570783 8.3723e-09 au
q 1.975366924483035 9.6027e-08 au
i 4.224893786517703 5.4194e-06 deg
node 188.6579576543259 6.0516e-05 deg
peri 261.4285084515615 6.2528e-05 deg
M 107.4790165968846 1.4559e-05 deg
tp 2458758.000973876994
(2019-Oct-01.50097388)
6.015e-05 TDB
period 1482.146510530129
4.06
7.3164e-06
2.003e-08
d
yr
n .2428909675543726 1.199e-09 deg/d
Q 3.112766232658531 1.0244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1224  
   data-arc span      10542 days (28.86 yr)  
   first obs. used      1992-04-07  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:53:39  

Additional Information
 Earth MOID = .996803 au 
 Jupiter MOID = 2.12125 au 
 T_jup = 3.405 
[ 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 15.42   n/a MPCxxxxx  

46927 (1998 SP54)          Discovered 1998-Sep-16 by LONEOS at Anderson Mesa
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SP54 = 1996 HU1 
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-14 17:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin