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JPL Small-Body Database Browser
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266630 (2008 RX5)
Classification: Main-belt Asteroid          SPK-ID: 2266630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05566528986223991 6.1058e-08  
a 3.034247803924246 3.8677e-08 au
q 2.865345520404938 1.909e-07 au
i 2.581177056008846 6.7719e-06 deg
node 82.2355010644356 0.00015751 deg
peri 266.6782905358074 0.00017046 deg
M 90.74641826406553 6.4779e-05 deg
tp 2458513.866516240099
(2019-Jan-30.36651624)
0.00034597 TDB
period 1930.52307192753
5.29
3.6912e-05
1.011e-07
d
yr
n .1864779578316866 3.5655e-09 deg/d
Q 3.203150087443554 4.083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      6750 days (18.48 yr)  
   first obs. used      2001-05-16  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60259  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:34:19  

Additional Information
 Earth MOID = 1.86009 au 
 Jupiter MOID = 2.05528 au 
 T_jup = 3.238 
[ 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 MPO454981  

266630 (2008 RX5)          Discovered 2008-Sep-02 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1937-Jul-30 09:31 00:37 Cybel 0.0449588584114018 0.044956625128249 0.0449611052897764 2.01152125946119 2.01152119219821 2428744.896306295 36.4948921260075 1980.84401300196 87.2937389909581 88.0118193210303 76854.0784422711 T 14 CATAB v2.0f-lin.ifort 2019-Dec-04 19:34:20 2019-Dec-04 19:34
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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