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 ]  
74190 (1998 RA44)
Classification: Main-belt Asteroid          SPK-ID: 2074190
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .26380990837628 5.3473e-08  
a 2.586425033692883 1.3177e-08 au
q 1.904100482532247 1.4298e-07 au
i 3.247306714794044 5.1817e-06 deg
node 53.32819453094986 6.6542e-05 deg
peri 349.5549150479034 6.7522e-05 deg
M 311.2295972046885 7.8153e-06 deg
tp 2458806.326889627202
(2019-Nov-18.82688963)
3.252e-05 TDB
period 1519.316553049182
4.16
1.1611e-05
3.179e-08
d
yr
n .2369486459405055 1.8108e-09 deg/d
Q 3.26874958485352 1.6654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      7764 days (21.26 yr)  
   first obs. used      1998-08-26  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49332  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:45:05  

Additional Information
 Earth MOID = .912518 au 
 Jupiter MOID = 2.14391 au 
 T_jup = 3.370 
[ 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 15.6   n/a MPO453154  

74190 (1998 RA44)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RA44 = 2002 PX133 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-12 01:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin