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JPL Small-Body Database Browser
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469300 (1997 LQ4)
Classification: Main-belt Asteroid          SPK-ID: 2469300
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2297421975254168 4.7355e-08  
a 2.354203942128298 1.2615e-08 au
q 1.813343955040744 1.0711e-07 au
i 4.209572425287742 6.1541e-06 deg
node 198.1675716732163 7.6261e-05 deg
peri 66.86233344393618 7.9208e-05 deg
M 11.35147907051914 1.6213e-05 deg
tp 2458558.897971925651
(2019-Mar-16.39797193)
5.9358e-05 TDB
period 1319.363759887602
3.61
1.0605e-05
2.903e-08
d
yr
n .272858790687618 2.1932e-09 deg/d
Q 2.895063929215853 1.5513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      8121 days (22.23 yr)  
   first obs. used      1997-05-30  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5717  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:24  

Additional Information
 Earth MOID = .80243 au 
 Jupiter MOID = 2.19976 au 
 T_jup = 3.516 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO434686  

469300 (1997 LQ4)          Discovered 1997-May-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 1997 LQ4 = 2015 HD181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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