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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142598305600889 6.2239e-08  
a 3.084602624223118 2.8988e-08 au
q 2.732156451034179 1.9383e-07 au
i 15.63112911293591 7.2685e-06 deg
node 352.2886096924189 1.9468e-05 deg
peri 19.41326441691113 3.2184e-05 deg
M 339.2732577897218 2.8147e-05 deg
tp 2459114.426776017582
(2020-Sep-21.92677602)
0.00015539 TDB
period 1978.778862120993
5.42
2.7894e-05
7.637e-08
d
yr
n .1819303848910772 2.5646e-09 deg/d
Q 3.437048797412058 3.2301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:00:47  

Additional Information
 Earth MOID = 1.73516 au 
 Jupiter MOID = 2.03488 au 
 T_jup = 3.160 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456267.5 (2012-Dec-06.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187784228420591 6.3096e-08  
q 2.717329794023476 1.981e-07 au
tp 2457129.392720323643
(2015-Apr-16.89272032)
0.00013757 TDB
node 352.5967252420879 1.9424e-05 deg
peri 18.28071940795876 3.1053e-05 deg
i 15.66633444359914 7.2748e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      868  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:00:47  

Additional Information
 Jupiter MOID = 2.03488 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.981063847128143E-15 -1.239666706393921E-14 -1.653731776785737E-12 6.598206435175577E-15 -3.940591702316744E-13 -6.552829034527156E-15
q -1.239666706393921E-14 3.924184674328892E-14 6.137890589009472E-12 -1.879836909877548E-14 1.341831162328721E-12 2.123301994246683E-14
tp -1.653731776785737E-12 6.137890589009472E-12 1.892585215366632E-8 8.070489117922384E-12 3.338330748761813E-9 -1.092713055292718E-11
node 6.598206435175577E-15 -1.879836909877548E-14 8.070489117922384E-12 3.772988697827487E-10 -3.616213514067981E-10 -9.727421763897093E-12
peri -3.940591702316744E-13 1.341831162328721E-12 3.338330748761813E-9 -3.616213514067981E-10 9.642807293342843E-10 7.463673128229514E-12
i -6.552829034527156E-15 2.123301994246683E-14 -1.092713055292718E-11 -9.727421763897093E-12 7.463673128229514E-12 5.292211019011786E-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 ]
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