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JPL Small-Body Database Browser
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108531 (2001 LH4)
Classification: Main-belt Asteroid          SPK-ID: 2108531
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2255371121368475 4.1657e-08  
a 2.23493558022816 1.0315e-08 au
q 1.730874663651611 9.5507e-08 au
i 7.227421341118872 3.6546e-06 deg
node 92.79272967513643 3.6074e-05 deg
peri 264.9195521357987 3.709e-05 deg
M 177.71843486316 7.5267e-06 deg
tp 2458398.043186720561
(2018-Oct-06.54318672)
2.6266e-05 TDB
period 1220.382415294143
3.34
8.4488e-06
2.313e-08
d
yr
n .2949895012320634 2.0422e-09 deg/d
Q 2.738996496804709 1.2642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1548  
   data-arc span      8757 days (23.98 yr)  
   first obs. used      1996-01-16  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:41:26  

Additional Information
 Earth MOID = .745268 au 
 Jupiter MOID = 2.73598 au 
 T_jup = 3.595 
[ 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 15.2   n/a MPO348161  

108531 (2001 LH4)          Discovered 2001-Jun-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 LH4 = 2003 AD58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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