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 ]  
91176 (1998 RE19)
Classification: Main-belt Asteroid          SPK-ID: 2091176
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1142598620566455 6.3389e-08  
a 3.084602643385093 2.6009e-08 au
q 2.732156370852349 1.9621e-07 au
i 15.63112979332682 7.3217e-06 deg
node 352.2886043342736 1.8773e-05 deg
peri 19.41327169783967 3.0685e-05 deg
M 339.2732485605218 2.5073e-05 deg
tp 2459114.426827808469
(2020-Sep-21.92682781)
0.0001382 TDB
period 1978.778880559663
5.42
2.5027e-05
6.852e-08
d
yr
n .1819303831958123 2.301e-09 deg/d
Q 3.437048915917838 2.8981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50492  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:16:11  

Additional Information
 Earth MOID = 1.73516 au 
 Jupiter MOID = 2.03488 au 
 T_jup = 3.160 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456384.5 (2013-Apr-02.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186571596168305 6.4256e-08  
q 2.7179573444658 2.0056e-07 au
tp 2457129.533870138684
(2015-Apr-17.03387014)
0.00012567 TDB
node 352.5914581153618 1.873e-05 deg
peri 18.28400405274714 2.9597e-05 deg
i 15.66493447669347 7.3281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      8071 days (22.10 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50492  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:16:11  

Additional Information
 Jupiter MOID = 2.03488 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.12883017666068E-15 -1.280477980110511E-14 -1.60379549872482E-12 2.316110136537902E-15 -3.94918900331796E-13 -6.403293181174121E-15
q -1.280477980110511E-14 4.022569376525137E-14 5.321649718322576E-12 -7.592421054036587E-15 1.246026142311434E-12 2.150522431995612E-14
tp -1.60379549872482E-12 5.321649718322576E-12 1.579243641843011E-8 -5.739726902093865E-13 2.888254476821954E-9 -7.879915980164339E-12
node 2.316110136537902E-15 -7.592421054036587E-15 -5.739726902093865E-13 3.508308714715851E-10 -3.372940246248851E-10 -5.70799234708963E-12
peri -3.94918900331796E-13 1.246026142311434E-12 2.888254476821954E-9 -3.372940246248851E-10 8.759688458922322E-10 4.015190065453592E-12
i -6.403293181174121E-15 2.150522431995612E-14 -7.879915980164339E-12 -5.70799234708963E-12 4.015190065453592E-12 5.370082599591524E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPC30277  

91176 (1998 RE19)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 RE19 = 2001 DW97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 00:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin