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 ]  
13237 (1998 HC98)
Classification: Main-belt Asteroid          SPK-ID: 2013237
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172015780452759 3.8962e-08  
a 2.155073246917102 7.4473e-09 au
q 1.686987936883551 8.7706e-08 au
i 5.159573083075034 5.3755e-06 deg
node 2.895773721098262 3.6403e-05 deg
peri 287.0963194026064 3.8824e-05 deg
M 8.091732556030522 1.2496e-05 deg
tp 2459174.526498575349
(2020-Nov-21.02649858)
4.0089e-05 TDB
period 1155.557286171778
3.16
5.9899e-06
1.64e-08
d
yr
n .3115379949640028 1.6149e-09 deg/d
Q 2.623158556950653 9.0649e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1174  
   data-arc span      11222 days (30.72 yr)  
   first obs. used      1989-10-03  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:49:53  

Additional Information
 Earth MOID = .678182 au 
 Jupiter MOID = 2.57781 au 
 T_jup = 3.666 
[ 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 15.5   n/a MPO467825  
diameter diameter 4.488 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13237 (1998 HC98)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HC98 = 1989 TR15 = 1992 PO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-19 11:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin