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100604 Lundy (1997 RY9)
Classification: Main-belt Asteroid          SPK-ID: 2100604
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184791414827586 5.509e-08  
a 2.580549608264983 1.3869e-08 au
q 2.274808306124079 1.3749e-07 au
i 4.377008383815965 5.2578e-06 deg
node 17.17846381288409 5.1079e-05 deg
peri 14.44707211258631 5.3864e-05 deg
M 149.8224478733627 1.7698e-05 deg
tp 2458370.354073582460
(2018-Sep-08.85407358)		 7.3402e-05 TDB
period 1514.142484856884
4.15		 1.2206e-05
3.342e-08		 d
yr
n .2377583375411509 1.9167e-09 deg/d
Q 2.886290910405887 1.5512e-08 au
   Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      10662 days (29.19 yr)  
   first obs. used      1991-03-14  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:16  

Additional Information
 Earth MOID = 1.2806 au 
 Jupiter MOID = 2.54361 au 
 T_jup = 3.411 
[ 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 15.81   n/a E2021B55  

100604 Lundy           Discovered 1997 Sept. 11 by T. Pauwels at Uccle.
Lundy is an island in the Bristol Channel. The name is believed to mean "puffin island" in old Norse.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20101128/MPCPages.arcLast Updated: 2010-12-06

[ show close-approach data ]
Alternate Designations
 1997 RY9 = 2001 RL111 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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