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 ]  
52944 (1998 SO142)
Classification: Main-belt Asteroid          SPK-ID: 2052944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1410312759059668 3.8804e-08  
a 2.412994568838433 1.1831e-08 au
q 2.07268686604098 9.8142e-08 au
i 7.105320875549902 4.2315e-06 deg
node 56.37844813723972 3.3972e-05 deg
peri 287.1070370673932 3.7603e-05 deg
M .3262907185421889 1.5247e-05 deg
tp 2459199.259104633235
(2020-Dec-15.75910463)
5.7982e-05 TDB
period 1369.092979510281
3.75
1.0069e-05
2.757e-08
d
yr
n .2629478095262532 1.9338e-09 deg/d
Q 2.753302271635885 1.3499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      8536 days (23.37 yr)  
   first obs. used      1997-05-01  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52138  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:49:12  

Additional Information
 Earth MOID = 1.07708 au 
 Jupiter MOID = 2.65949 au 
 T_jup = 3.494 
[ 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 15.87   n/a E2021B10  

52944 (1998 SO142)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SO142 = 1997 JB4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 07:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin