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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
74196 (1998 RU49)
Classification: Main-belt Asteroid          SPK-ID: 2074196
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193837693772568 2.6795e-08  
a 2.41175971001144 8.3229e-09 au
q 1.944269769889225 6.7091e-08 au
i 3.231096561170787 2.9983e-06 deg
node 140.9748155045756 7.3061e-05 deg
peri 169.2886434847594 7.3878e-05 deg
M 60.7164014234515 1.1094e-05 deg
tp 2459165.770564625437
(2020-Nov-12.27056463)
4.2103e-05 TDB
period 1368.042156443747
3.75
7.0816e-06
1.939e-08
d
yr
n .2631497854830929 1.3622e-09 deg/d
Q 2.879249650133655 9.9362e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      8363 days (22.90 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:44:39  

Additional Information
 Earth MOID = .929372 au 
 Jupiter MOID = 2.38804 au 
 T_jup = 3.491 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.47   n/a E2021B10  

74196 (1998 RU49)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RU49 = 2001 FH23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-24 13:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin