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347513 (1999 RA226)
Classification: Main-belt Asteroid          SPK-ID: 2347513
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2014926064855993 7.1145e-08  
a 2.584370333485925 2.7147e-08 au
q 2.063638818867788 1.8151e-07 au
i 13.1628851495795 7.7833e-06 deg
node 304.3061680143674 4.1777e-05 deg
peri 50.13435497994105 4.9628e-05 deg
M 347.1109885750619 3.2137e-05 deg
tp 2459054.830994585222
(2020-Jul-24.33099459)
0.00013599 TDB
period 1517.506456145744
4.15
2.3911e-05
6.546e-08
d
yr
n .2372312806591612 3.738e-09 deg/d
Q 3.105101848104062 3.2617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      7217 days (19.76 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:33:38  

Additional Information
 Earth MOID = 1.08255 au 
 Jupiter MOID = 2.3918 au 
 T_jup = 3.358 
[ 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 MPO476608  

347513 (1999 RA226)          Discovered 1999-Sep-04 by CSS at Catalina
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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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
2172-Jun-23 17:57 00:03 Eunom 0.0359443743960629 0.0359073916073783 0.0359814303636592 2.50138320742323 2.50138305129454 2514541.247646116 2.79373611138907 3161.31744416145 213.59300313327 54.5326846152216 20473.0911172748 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 06:33:40 2019-Sep-24 06:33

Alternate Designations
 1999 RA226 = 2003 QC92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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