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 ]  
134439 (1998 RW74)
Classification: Main-belt Asteroid          SPK-ID: 2134439
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949408149314691 6.4541e-08  
a 2.516480998370832 8.2533e-09 au
q 2.025916141788865 1.6201e-07 au
i 1.503172341642806 4.0502e-06 deg
node 318.5741438765556 0.00015507 deg
peri 30.29237425912952 0.00015526 deg
M 168.111176093346 9.4523e-06 deg
tp 2458319.600530637955
(2018-Jul-20.10053064)
3.6861e-05 TDB
period 1458.10537209155
3.99
7.1732e-06
1.964e-08
d
yr
n .2468957366802683 1.2146e-09 deg/d
Q 3.007045854952799 9.8622e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1177  
   data-arc span      9326 days (25.53 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54849  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:19:44  

Additional Information
 Earth MOID = 1.01969 au 
 Jupiter MOID = 2.41882 au 
 T_jup = 3.431 
[ 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 15.7   n/a MPO310095  
diameter diameter 2.025 km 0.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.272   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134439 (1998 RW74)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1998 RW74 = 2000 CD73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 14:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin