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JPL Small-Body Database Browser
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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 
[ 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 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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