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 ]  
17837 (1998 HQ92)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017837
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09177830033478288 3.954e-08  
a 3.246984846556388 2.0848e-08 au
q 2.948982096126647 1.3086e-07 au
i 1.681511352139327 4.3327e-06 deg
node 55.65737359219213 0.00015312 deg
peri 175.0211601085832 0.0001555 deg
M 271.3642543396311 2.9917e-05 deg
tp 2459526.668956393578
(2021-Nov-08.16895639)
0.00017988 TDB
period 2137.070353393357
5.85
2.0583e-05
5.635e-08
d
yr
n .1684549127867374 1.6224e-09 deg/d
Q 3.544987596986129 2.2762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1422  
   data-arc span      10165 days (27.83 yr)  
   first obs. used      1992-04-04  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54787  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:13:15  

Additional Information
 Earth MOID = 1.93842 au 
 Jupiter MOID = 1.44046 au 
 T_jup = 3.175 
[ 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 13.7   n/a MPO337409  
diameter diameter 7.915 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17837 (1998 HQ92)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ 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 2020-Apr-07 20:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin