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(2004 LH18)
Classification: Mars-crossing Asteroid          SPK-ID: 3184161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5052178430406497 2.7089e-06  
a 2.939200294588178 1.2894e-07 au
q 1.454263861491897 7.9404e-06 au
i 8.644523395962514 9.8091e-05 deg
node 238.123722418538 0.00048081 deg
peri 63.11066390426604 0.0014312 deg
M 96.04599070666868 0.00029595 deg
tp 2458709.457660242956
(2019-Aug-13.95766024)
0.0014868 TDB
period 1840.527033058776
5.04
0.00012111
3.316e-07
d
yr
n .1955961491104616 1.2871e-08 deg/d
Q 4.42413672768446 1.9408e-07 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      5529 days (15.14 yr)  
   first obs. used      2004-06-14  
   last obs. used      2019-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .54625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 22:14:56  

Additional Information
 Earth MOID = .465023 au 
 Jupiter MOID = 1.05582 au 
 T_jup = 3.053 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.8   .29 MPO496483 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 2004 LH18 = 2019 MZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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