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180912 (2005 LY2)
Classification: Main-belt Asteroid          SPK-ID: 2180912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05120956412531043 4.6004e-08  
a 2.240733407083664 1.0846e-08 au
q 2.125986425985888 1.0632e-07 au
i 6.50729198461519 5.2648e-06 deg
node 192.6966334908989 4.2449e-05 deg
peri 24.20414587681417 6.7735e-05 deg
M 256.8253060399128 5.3525e-05 deg
tp 2459551.619055086854
(2021-Dec-03.11905509)
0.00018296 TDB
period 1225.134332651049
3.35
8.895e-06
2.435e-08
d
yr
n .2938453281453649 2.1334e-09 deg/d
Q 2.355480388181441 1.1401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      8313 days (22.76 yr)  
   first obs. used      1998-04-20  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:44:27  

Additional Information
 Earth MOID = 1.1201 au 
 Jupiter MOID = 2.6052 au 
 T_jup = 3.624 
[ 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 16.9   n/a MPO436894  

180912 (2005 LY2)          Discovered 2005-Jun-02 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 LY2 = 1999 TY59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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