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 ]  
35602 (1998 HC124)
Classification: Main-belt Asteroid          SPK-ID: 2035602
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538490241421681 4.7694e-08  
a 2.726566503505151 1.5498e-08 au
q 2.30708690768216 1.2615e-07 au
i 9.442309948987365 4.5807e-06 deg
node 147.2331914391023 2.8895e-05 deg
peri 54.44028617133819 3.1851e-05 deg
M 254.0667045939092 1.4564e-05 deg
tp 2459084.396578413405
(2020-Aug-22.89657841)
6.862e-05 TDB
period 1644.457179973743
4.50
1.4021e-05
3.839e-08
d
yr
n .2189172234972686 1.8665e-09 deg/d
Q 3.146046099328141 1.7882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      877  
   data-arc span      9447 days (25.86 yr)  
   first obs. used      1993-02-23  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:47:51  

Additional Information
 Earth MOID = 1.32065 au 
 Jupiter MOID = 1.85467 au 
 T_jup = 3.320 
[ 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 14.7   n/a MPO426142  
diameter diameter 7.029 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35602 (1998 HC124)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HC124 = 1999 QY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-17 17:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin