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 ]  
162082 (1998 HL1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2162082
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 130 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871535568716957 1.9639e-08  
a 1.246336705691506 2.421e-09 au
q 1.013080358161589 2.3745e-08 au
i 20.04778670157026 6.6651e-06 deg
node 213.567960183815 2.869e-06 deg
peri 148.5053854938056 1.1929e-05 deg
M 251.528214973813 8.0844e-06 deg
tp 2458753.631942436468
(2019-Sep-27.13194244)
1.1134e-05 TDB
period 508.2197113638341
1.39
1.4808e-06
4.054e-09
d
yr
n .7083550518611748 2.064e-09 deg/d
Q 1.479593053221423 2.8741e-09 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1998-04-18  
   last obs. used      2019-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43015  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-21 04:53:02  

Additional Information
 Earth MOID = .0415954 au 
 Jupiter MOID = 3.92842 au 
 T_jup = 5.078 
[ 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 18.9   n/a MPO248248  

162082 (1998 HL1)          Discovered 1998-Apr-18 by LINEAR at Socorro
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

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