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410641 (2008 RX91)
Classification: Outer Main-belt Asteroid          SPK-ID: 2410641
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 .0784383152766208 9.5355e-08  
a 3.238170173912834 5.596e-08 au
q 2.984173560892109 3.1681e-07 au
i 16.14429424599865 2.0034e-05 deg
node .4101307434613709 2.8264e-05 deg
peri 78.35184225071104 0.00013934 deg
M 293.7789186011224 0.0001305 deg
tp 2459392.008952233382
(2021-Jun-26.50895223)
0.00077042 TDB
period 2128.373923026969
5.83
5.5172e-05
1.511e-07
d
yr
n .1691432112116882 4.3845e-09 deg/d
Q 3.492166786933558 6.035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      4455 days (12.20 yr)  
   first obs. used      2008-09-06  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:19:29  

Additional Information
 Earth MOID = 2.05058 au 
 Jupiter MOID = 1.75774 au 
 T_jup = 3.118 
[ 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 16.2   n/a MPO455919  

410641 (2008 RX91)          Discovered 2008-Sep-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

[ show close-approach data ]
Alternate Designations
 2008 RX91 = 2010 EV154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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