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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143188992262833 6.2881e-08  
a 3.085009527664309 1.9438e-08 au
q 2.732334634359129 1.9339e-07 au
i 15.63118550975776 6.599e-06 deg
node 352.2861615562368 1.5267e-05 deg
peri 19.57373513157446 2.6811e-05 deg
M 51.18210994058964 1.886e-05 deg
tp 2459115.116338938471
(2020-Sep-22.61633894)
0.00010441 TDB
period 1979.170419111942
5.42
1.8705e-05
5.121e-08
d
yr
n .1818943919753676 1.7191e-09 deg/d
Q 3.437684420969489 2.166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      8392 days (22.98 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44924  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:42  

Additional Information
 Earth MOID = 1.73463 au 
 Jupiter MOID = 2.036 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 13.96   n/a MPO637239  

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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