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 ]  
58827 (1998 HH15)
Classification: Main-belt Asteroid          SPK-ID: 2058827
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01129365111294513 5.5712e-08  
a 3.079190123442266 2.591e-08 au
q 3.044414824477682 1.7922e-07 au
i 10.81345555696185 6.1426e-06 deg
node 67.43817729974066 3.1941e-05 deg
peri 194.7502305731422 0.00031417 deg
M 281.4532415125253 0.00031479 deg
tp 2459031.104883399251
(2020-Jun-30.60488340)
0.0017261 TDB
period 1973.572952070963
5.40
2.4911e-05
6.82e-08
d
yr
n .1824102826410521 2.3024e-09 deg/d
Q 3.113965422406849 2.6203e-08 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      7676 days (21.02 yr)  
   first obs. used      1998-04-20  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58309  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:36:26  

Additional Information
 Earth MOID = 2.03007 au 
 Jupiter MOID = 1.8943 au 
 T_jup = 3.201 
[ 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 13.9   n/a MPO474468  
diameter diameter 4.855 km 0.848 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58827 (1998 HH15)          Discovered 1998-Apr-20 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HH15 = 2000 SB88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-24 11:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin