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91525 (1999 RA189)
Classification: Main-belt Asteroid          SPK-ID: 2091525
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08694967040979813 3.9783e-08  
a 2.992313890796721 1.8707e-08 au
q 2.732133184229285 1.1331e-07 au
i 10.73651602637245 4.1293e-06 deg
node 164.0524889439165 2.2124e-05 deg
peri 165.9119864642939 3.4176e-05 deg
M 97.23884704774534 2.5713e-05 deg
tp 2458885.822821908068
(2020-Feb-06.32282191)
0.00013511 TDB
period 1890.641340315626
5.18
1.773e-05
4.854e-08
d
yr
n .1904115774491111 1.7856e-09 deg/d
Q 3.252494597364156 2.0334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      7868 days (21.54 yr)  
   first obs. used      1999-08-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:53:20  

Additional Information
 Earth MOID = 1.72234 au 
 Jupiter MOID = 2.13305 au 
 T_jup = 3.223 
[ 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 14.82   n/a E2021B10  

91525 (1999 RA189)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RA189 = 2002 CA145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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