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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457347.5 (2015-Nov-21.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931414805778111 2.6799e-08  
q 1.947341474792212 6.7043e-08 au
tp 2457797.532162432650
(2017-Feb-13.03216243)
4.2808e-05 TDB
node 140.994740385403 7.3072e-05 deg
peri 169.3124122162278 7.3898e-05 deg
i 3.229792924610514 2.9975e-06 deg
  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
 Jupiter MOID = 2.38804 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.182096092842867E-16 -1.788556890071154E-15 -5.556862443843273E-14 1.280945819376929E-15 1.727482926236923E-15 -3.99151484484372E-16
q -1.788556890071154E-15 4.494740294855356E-15 9.310884740320407E-14 -3.512925433160035E-15 -2.033046136315195E-14 1.041185917677373E-15
tp -5.556862443843273E-14 9.310884740320407E-14 1.832532834552781E-9 2.538551159429674E-11 4.907954537961137E-10 1.045147129968144E-12
node 1.280945819376929E-15 -3.512925433160035E-15 2.538551159429674E-11 5.339447176643096E-9 -5.32395854477548E-9 9.492102777954927E-12
peri 1.727482926236923E-15 -2.033046136315195E-14 4.907954537961137E-10 -5.32395854477548E-9 5.460855667156855E-9 -9.202100069475252E-12
i -3.99151484484372E-16 1.041185917677373E-15 1.045147129968144E-12 9.492102777954927E-12 -9.202100069475252E-12 8.984882380760273E-12

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-25 07:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin