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180914 (2005 LM5)
Classification: Main-belt Asteroid          SPK-ID: 2180914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223721331149654 3.299e-08  
a 2.332887101862414 1.1767e-08 au
q 1.810970494011897 7.5572e-08 au
i 4.966343402894006 4.3606e-06 deg
node 145.9203797789348 5.7524e-05 deg
peri 130.433636354085 5.9109e-05 deg
M 115.8775152142699 1.4257e-05 deg
tp 2458781.575574226447
(2019-Oct-25.07557423)
4.9892e-05 TDB
period 1301.484528725093
3.56
9.8469e-06
2.696e-08
d
yr
n .2766072066585751 2.0928e-09 deg/d
Q 2.854803709712932 1.4399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2002-10-30  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:28  

Additional Information
 Earth MOID = .79758 au 
 Jupiter MOID = 2.28921 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457413.5 (2016-Jan-26.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .223235384160811 3.2973e-08  
q 1.812281515177701 7.5527e-08 au
tp 2457480.081242992843
(2016-Apr-01.58124299)
4.6038e-05 TDB
node 145.9481306645947 5.7543e-05 deg
peri 130.4798013006665 5.9139e-05 deg
i 4.965195626686352 4.36e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2002-10-30  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:28  

Additional Information
 Jupiter MOID = 2.28921 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.087215058710208E-15 -2.472750489299074E-15 -1.585817174578437E-13 2.023322998447027E-15 -3.43960609220343E-14 -1.433249305129908E-15
q -2.472750489299074E-15 5.704314815650148E-15 5.048956217740805E-13 -7.937849017668882E-15 1.185828675262458E-13 3.595409996535813E-15
tp -1.585817174578437E-13 5.048956217740805E-13 2.119501596612836E-9 -1.818905150587966E-11 6.546411408912821E-10 4.833711775726721E-12
node 2.023322998447027E-15 -7.937849017668882E-15 -1.818905150587966E-11 3.311173684417442E-9 -3.303334112115914E-9 8.415129538848777E-11
peri -3.43960609220343E-14 1.185828675262458E-13 6.546411408912821E-10 -3.303334112115914E-9 3.497419322335125E-9 -8.242128179255909E-11
i -1.433249305129908E-15 3.595409996535813E-15 4.833711775726721E-12 8.415129538848777E-11 -8.242128179255909E-11 1.900960419074963E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.95   n/a MPCxxxxx  
diameter diameter 2.208 km 0.595 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.067   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

180914 (2005 LM5)          Discovered 2005-Jun-02 by Siding Spring Survey at Siding Spring
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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