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180916 (2005 LU9)
Classification: Main-belt Asteroid          SPK-ID: 2180916
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04992644597038317 8.1128e-08  
a 2.287162787737834 1.36e-08 au
q 2.17297287839037 1.9279e-07 au
i 5.954492416279701 6.7141e-06 deg
node 178.9274771694546 4.5823e-05 deg
peri 2.299672472610055 6.6577e-05 deg
M 241.3538543188734 4.8846e-05 deg
tp 2459616.885095054922
(2022-Feb-06.38509505)
0.00017224 TDB
period 1263.409218725399
3.46
1.1269e-05
3.085e-08
d
yr
n .2849433063051329 2.5415e-09 deg/d
Q 2.401352697085299 1.4279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      10302 days (28.21 yr)  
   first obs. used      1992-09-27  
   last obs. used      2020-12-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55252  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:29  

Additional Information
 Earth MOID = 1.1748 au 
 Jupiter MOID = 2.55401 au 
 T_jup = 3.592 
[ 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  

180916 (2005 LU9)          Discovered 2005-Jun-01 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 LU9 = 1999 UR40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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