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 ]  
35603 (1998 HP124)
Classification: Main-belt Asteroid          SPK-ID: 2035603
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .005307438691649003 4.3841e-08  
a 2.744270330154042 1.7079e-08 au
q 2.729705283623438 1.1882e-07 au
i 6.356146803035069 4.3748e-06 deg
node 115.5926769441047 4.7089e-05 deg
peri 40.27333374691977 0.00047191 deg
M 291.6353114662122 0.00047056 deg
tp 2458915.832040397821
(2020-Mar-07.33204040)
0.0021714 TDB
period 1660.499549955689
4.55
1.5501e-05
4.244e-08
d
yr
n .2168022267814566 2.0239e-09 deg/d
Q 2.758835376684646 1.717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7582 days (20.76 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5621  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:47:52  

Additional Information
 Earth MOID = 1.73535 au 
 Jupiter MOID = 2.22147 au 
 T_jup = 3.340 
[ 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 MPO431901  
diameter diameter 5.763 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35603 (1998 HP124)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HP124 = 1999 RG223 
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-15 07:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin