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 ]  
74196 (1998 RU49)
Classification: Main-belt Asteroid          SPK-ID: 2074196
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940305736873847 2.8103e-08  
a 2.412282579938402 8.7522e-09 au
q 1.94422600705687 6.9827e-08 au
i 3.23029711805094 3.3709e-06 deg
node 140.9798601128559 8.1228e-05 deg
peri 169.4355049464778 8.2078e-05 deg
M 316.419284701032 1.2265e-05 deg
tp 2459166.165681418304
(2020-Nov-12.66568142)
4.671e-05 TDB
period 1368.487068224001
3.75
7.4477e-06
2.039e-08
d
yr
n .2630642322891671 1.4317e-09 deg/d
Q 2.880339152819935 1.045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:48:58  

Additional Information
 Earth MOID = .929933 au 
 Jupiter MOID = 2.38891 au 
 T_jup = 3.491 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935718446896521 2.8141e-08  
q 1.946168718451783 6.9802e-08 au
tp 2456426.675904199305
(2013-May-14.17590420)
4.7339e-05 TDB
node 140.9963783230401 8.1237e-05 deg
peri 169.0590948103394 8.2085e-05 deg
i 3.228401138482046 3.3692e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:48:58  

Additional Information
 Jupiter MOID = 2.38891 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.919394446762217E-16 -1.954719758460604E-15 1.087684397192878E-13 4.097598904845332E-15 2.429360138935092E-14 -2.659590375582692E-16
q -1.954719758460604E-15 4.87229955577129E-15 -3.183509204315914E-13 -1.041067420662708E-14 -6.658551178720263E-14 6.881986683716652E-16
tp 1.087684397192878E-13 -3.183509204315914E-13 2.240947864791085E-9 2.39208987265357E-11 5.824178056961464E-10 6.865014591092052E-13
node 4.097598904845332E-15 -1.041067420662708E-14 2.39208987265357E-11 6.599529159647632E-9 -6.582571347069832E-9 5.710455921242583E-11
peri 2.429360138935092E-14 -6.658551178720263E-14 5.824178056961464E-10 -6.582571347069832E-9 6.737988122065944E-9 -5.681320658745006E-11
i -2.659590375582692E-16 6.881986683716652E-16 6.865014591092052E-13 5.710455921242583E-11 -5.681320658745006E-11 1.135167782121465E-11

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 15.4   n/a MPO337817  

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

[ show close-approach data ]
Alternate Designations
 1998 RU49 = 2001 FH23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-08 18:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin