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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
48874 (1998 HW100)
Classification: Main-belt Asteroid          SPK-ID: 2048874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725006622881838 3.4184e-08  
a 2.210811671953929 8.2582e-09 au
q 1.82944519434743 7.3969e-08 au
i 3.725243369963944 4.0788e-06 deg
node 203.1897913233126 6.2248e-05 deg
peri 61.55005405371817 6.3702e-05 deg
M 107.8446320673947 1.3236e-05 deg
tp 2458240.815202400615
(2018-May-02.31520240)
4.4309e-05 TDB
period 1200.676609057921
3.29
6.7275e-06
1.842e-08
d
yr
n .2998309430567357 1.68e-09 deg/d
Q 2.592178149560429 9.6828e-09 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      9461 days (25.90 yr)  
   first obs. used      1994-01-10  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55608  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:36  

Additional Information
 Earth MOID = .817027 au 
 Jupiter MOID = 2.48297 au 
 T_jup = 3.635 
[ 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 15.9   n/a MPO395464  

48874 (1998 HW100)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HW100 = 1999 VZ115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 21:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin