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JPL Small-Body Database Browser
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344212 (2001 RL9)
Classification: Inner Main-belt Asteroid          SPK-ID: 2344212
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09153034942082255 5.7365e-08  
a 1.937973523151802 1.6227e-08 au
q 1.760590129409415 1.1647e-07 au
i 17.65268611526254 9.6511e-06 deg
node 267.2605016000698 1.8275e-05 deg
peri 78.11858927170951 6.0405e-05 deg
M 204.5834359369925 6.377e-05 deg
tp 2459025.917144848590
(2020-Jun-25.41714485)		 0.00017761 TDB
period 985.4173077935477
2.70		 1.2377e-05
3.389e-08		 d
yr
n .3653274578727236 4.5885e-09 deg/d
Q 2.115356916894189 1.7712e-08 au
   Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6438 days (17.63 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57488  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:41:54  

Additional Information
 Earth MOID = .819878 au 
 Jupiter MOID = 3.1596 au 
 T_jup = 3.843 
[ 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 17.1   n/a MPO418776  

344212 (2001 RL9)          Discovered 2001-Sep-08 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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