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
JPL Small-Body Database Browser
Search: [ help ]  
46913 (1998 RD74)
Classification: Main-belt Asteroid          SPK-ID: 2046913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398267119162677 3.515e-08  
a 2.61905059974446 1.0303e-08 au
q 2.252837366039864 9.2338e-08 au
i 4.172113334002923 3.618e-06 deg
node 256.4883709269189 5.2657e-05 deg
peri 99.479167164 5.4404e-05 deg
M 99.65357326339326 1.2738e-05 deg
tp 2458771.946905520181
(2019-Oct-15.44690552)
5.4499e-05 TDB
period 1548.154360756954
4.24
9.1357e-06
2.501e-08
d
yr
n .2325349520211807 1.3722e-09 deg/d
Q 2.985263833449057 1.1744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      967  
   data-arc span      8194 days (22.43 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5254  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:53:31  

Additional Information
 Earth MOID = 1.25138 au 
 Jupiter MOID = 2.47377 au 
 T_jup = 3.388 
[ 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 15.35   n/a MPCxxxxx  
diameter diameter 5.826 km 1.411 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.046   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

46913 (1998 RD74)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-25 12:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin