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 ]  
100848 (1998 HE29)
Classification: Main-belt Asteroid          SPK-ID: 2100848
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0850272056871343 5.9326e-08  
a 2.357198263733626 1.1559e-08 au
q 2.156772282117791 1.3849e-07 au
i 7.585706492096954 6.6601e-06 deg
node 6.353582343117785 2.8e-05 deg
peri 195.307623692223 3.7862e-05 deg
M 95.51817442947987 2.3917e-05 deg
tp 2458849.767421231312
(2020-Jan-01.26742123)		 8.8201e-05 TDB
period 1321.881716342339
3.62		 9.7235e-06
2.662e-08		 d
yr
n .2723390417987805 2.0033e-09 deg/d
Q 2.557624245349461 1.2542e-08 au
   Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-03-22  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:55  

Additional Information
 Earth MOID = 1.15445 au 
 Jupiter MOID = 2.40244 au 
 T_jup = 3.537 
[ 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 15.76   n/a E2021B55  

100848 (1998 HE29)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HE29 = 1999 RN79 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-03 03:47 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin