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JPL Small-Body Database Browser
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108545 (2001 LZ9)
Classification: Main-belt Asteroid          SPK-ID: 2108545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293507322394489 3.5555e-08  
a 2.662457284053401 1.7433e-08 au
q 2.318066484804839 9.1756e-08 au
i 6.438699612310925 4.2525e-06 deg
node 132.3180660766298 4.4016e-05 deg
peri 159.6634312360445 4.9929e-05 deg
M 98.77958782940053 2.1976e-05 deg
tp 2458565.101319120597
(2019-Mar-22.60131912)
9.6925e-05 TDB
period 1586.800760773497
4.34
1.5585e-05
4.267e-08
d
yr
n .226871582683459 2.2282e-09 deg/d
Q 3.006848083301963 1.9688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2001-05-23  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54016  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:09:13  

Additional Information
 Earth MOID = 1.30323 au 
 Jupiter MOID = 2.17788 au 
 T_jup = 3.364 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457134.5 (2015-Apr-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301184850587927 3.5315e-08  
q 2.316264662591389 9.1279e-08 au
tp 2456980.664227445880
(2014-Nov-19.16422745)
9.8652e-05 TDB
node 132.3892547220483 4.4026e-05 deg
peri 160.1474810948751 4.9917e-05 deg
i 6.438145409357616 4.2529e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      6819 days (18.67 yr)  
   first obs. used      2001-05-23  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54016  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:09:13  

Additional Information
 Jupiter MOID = 2.17788 au 
 T_jup = 3.364 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.247130750533303E-15 -3.181169887567338E-15 -3.122347896025336E-13 -3.885677594053039E-16 -8.159712904744349E-14 -1.1807703989915E-15
q -3.181169887567338E-15 8.331781042901551E-15 5.143342511859717E-13 3.053250081972653E-16 1.445574020736981E-13 3.353534425003399E-15
tp -3.122347896025336E-13 5.143342511859717E-13 9.732244855169416E-9 6.421815429884423E-11 2.350180309234954E-9 4.731555303193898E-12
node -3.885677594053039E-16 3.053250081972653E-16 6.421815429884423E-11 1.938317991707317E-9 -1.91007221880636E-9 2.810227871992221E-11
peri -8.159712904744349E-14 1.445574020736981E-13 2.350180309234954E-9 -1.91007221880636E-9 2.491712028183748E-9 -2.674880317335631E-11
i -1.1807703989915E-15 3.353534425003399E-15 4.731555303193898E-12 2.810227871992221E-11 -2.674880317335631E-11 1.808751510787151E-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 15.8   n/a MPO493612  
diameter diameter 3.608 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108545 (2001 LZ9)          Discovered 2001-Jun-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 LZ9 = 2002 TF246 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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