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 ]  
35587 (1998 HR63)
Classification: Main-belt Asteroid          SPK-ID: 2035587
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0961975945314363 3.8913e-08  
a 2.782228689115055 1.5339e-08 au
q 2.514584981785835 1.1013e-07 au
i 4.364444100114016 4.059e-06 deg
node 87.26066351970763 6.3391e-05 deg
peri 244.3868466598541 6.805e-05 deg
M 77.11510023346339 2.4076e-05 deg
tp 2458237.401386668960
(2018-Apr-28.90138667)
0.00011396 TDB
period 1695.070101749689
4.64
1.4018e-05
3.838e-08
d
yr
n .2123805969018036 1.7564e-09 deg/d
Q 3.049872396444274 1.6815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1116  
   data-arc span      8475 days (23.20 yr)  
   first obs. used      1995-11-15  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:47:47  

Additional Information
 Earth MOID = 1.50668 au 
 Jupiter MOID = 2.24614 au 
 T_jup = 3.322 
[ 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 14.3   n/a MPO452668  
diameter diameter 5.720 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.136   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35587 (1998 HR63)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HR63 = 1999 RB48 
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-19 11:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin