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 ]  
17871 (1998 RD58)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017871
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07666303632453651 3.37e-08  
a 3.526220253797543 2.9064e-08 au
q 3.255889502392345 1.2244e-07 au
i 14.96304610561603 5.5139e-06 deg
node 2.46660486108184 1.4938e-05 deg
peri 278.06540162 3.8835e-05 deg
M 111.4359152656638 3.5487e-05 deg
tp 2457851.838907043534
(2017-Apr-08.33890704)
0.00024016 TDB
period 2418.591823128078
6.62
2.9902e-05
8.187e-08
d
yr
n .1488469433153028 1.8402e-09 deg/d
Q 3.79655100520274 3.1292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1852  
   data-arc span      14631 days (40.06 yr)  
   first obs. used      1979-11-16  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:23:31  

Additional Information
 Earth MOID = 2.2868 au 
 Jupiter MOID = 1.46664 au 
 T_jup = 3.062 
[ 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 11.9   n/a MPO452424  
diameter diameter 23.532 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17871 (1998 RD58)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RD58 = 1979 WP2 = 1985 SS4 = 1991 RN30 = 1998 WD34 
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-27 09:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin