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452185 (2015 RA91)
Classification: Main-belt Asteroid          SPK-ID: 2452185
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859740664612319 7.1789e-08  
a 3.19856173057532 9.4227e-08 au
q 2.603712198712952 2.4407e-07 au
i 9.516522256400325 8.3878e-06 deg
node 255.6096464756839 4.3193e-05 deg
peri 138.8195902997776 4.8261e-05 deg
M 283.1324250847964 2.7753e-05 deg
tp 2459446.640049447912
(2021-Aug-20.14004945)
0.00017588 TDB
period 2089.443019093883
5.72
9.233e-05
2.528e-07
d
yr
n .1722947200331499 7.6135e-09 deg/d
Q 3.793411262437687 1.1175e-07 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      5324 days (14.58 yr)  
   first obs. used      2004-12-02  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60803  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:56:44  

Additional Information
 Earth MOID = 1.62016 au 
 Jupiter MOID = 1.6821 au 
 T_jup = 3.146 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO477163  

452185 (2015 RA91)          Discovered 2004-Dec-02 by CSS at Catalina
Reference: Last Updated: 2015-11-30

[ show close-approach data ]
Alternate Designations
 2015 RA91 = 2004 XT35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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